Information processing system relating to content distribution, storage medium for storing program directed thereto, and information processing device

This nonprovisional application is based on Japanese Patent Application No. 2009-017144 filed with the Japan Patent Office on Jan. 28, 2009, the entire contents of which are hereby incorporated by reference.

FIELD OF THE INVENTION

The present invention relates to an information processing system relating to content distribution, a storage medium for storing a program directed thereto, and an information processing device.

DESCRIPTION OF THE BACKGROUND ART

A motion picture viewing system through the Internet or the like has conventionally been available. As disclosed in Japanese Patent Laying-Open No. 2007-323370, in such a motion picture viewing system by way of example, as a user accesses a motion picture viewing site, a list of thumbnail images is displayed on a terminal used by the user. Then, as the user selects any thumbnail image, downloading and reproduction of the selected video is started.

In addition, for example, according to YouTube®, by clicking a thumbnail of a motion picture desired by the user from a list of thumbnail images of motion pictures narrowed down based on categories, the selected motion picture is reproduced. In addition, according to YouTube®, such a system that thumbnail images of featured motion pictures are displayed and a selected motion picture is reproduced by clicking the thumbnail of the motion picture desired by the user is disclosed.

On the other hand, in the system disclosed in Japanese Patent Laying-Open No. 2007-323370 above or YouTube®, the user has to select a desired content from among thumbnail images displayed in a list. Therefore, from a user's point of view, such an operation is bothersome and the user tends to hesitate to watch a content. In addition, according to YouTube®, only thumbnails, titles and the like of contents are shown, and it is not a system giving an effect to encourage the user to watch a content.

SUMMARY OF THE INVENTION

The present invention was made to solve the above-described problems. An object of the present invention is to provide an information processing system, a storage medium for storing a program directed thereto, and an information processing device capable of having a user feel free to watch a content and enhancing user's willingness to watch a content.

An information processing system (100: reference numeral used in embodiments; to be understood similarly hereinafter) according to a first aspect of the present invention includes at least one server (104) and an information processing device (12) connected to the server so that data can be communicated therewith. The server includes a first storage unit (FIG. 32) for storing a specific content, a second storage unit (FIG. 32) for storing character information defining a character object, a third storage unit (FIG. 32) for storing information for introducing the specific content, and a transmission unit (104; SQ22, SQ26; SQ52, SQ56) for transmitting the character information and the information for introducing the specific content to the information processing device in association with each other. The information processing device includes an obtaining unit (40; S110, S116) for obtaining the character information and the information for introducing the specific content from the server, an output unit (40; S118, S122, S124) for outputting the character object based on the obtained character information and the obtained information for introducing the content in association with each other, and a reproduction unit (40; S128, S200, S202) for reproducing the specific content in response to a user's operation.

According to the first aspect, the information for introducing a predetermined specific content is output in association with the character object. Therefore, example, the user does not have to select of himself/herself a content he/she desires to reproduce from among a large number of contents stored in the server. Accordingly, the user is less likely to hesitate to watch the content and the user can feel free to watch the content. In addition, as the specific content is introduced in association with the character object, as compared with an example where a content is simply introduced, the user feels more familiar and user's willingness to watch the content can further be enhanced.

In addition, according to the first aspect, such a feature can be implemented by a generally used, what is called server-client configuration. Therefore, a content distribution service provider can start providing the service according to the present invention easily with low cost. Consequently, as character information and introduction information can efficiently be distributed to a large number of information processing devices, contents can be introduced to a large number of users. Therefore, the service provider can achieve a more effective advertising function.

According to a preferred second aspect, the information processing device further includes a fourth storage unit (44; S5) for storing user character information defining a user character object set in accordance with a user's operation. The output unit is adapted to output the user character object based on the user character information stored in the fourth storage unit and the character object based on the character information obtained from the server in an identical screen (FIG. 17).

According to the second aspect, as the character object transmitted from the server and the user character registered in advance in the information processing device itself are output in the same screen, familiarity with the character object transmitted from the server can be enhanced.

According to a third aspect of the present invention, an information processing system (100) having first and second information processing devices (12-1, 12-2) is provided. The first information processing device includes a first storage unit, (44; S5) for storing character information for defining a character object, a first reproduction unit (40; S128, S200, S202) for reproducing a content, a generation unit (40; S232, S400 to S440) for generating introduction information for introducing the content in response to a user's operation, and a transmission unit (40; S448, S450) for transmitting the character information and the introduction information to the second information processing device in association with each other. The second information processing device includes a reception unit (40, S112, S114) for receiving the character information and the introduction information from the first information processing device, an output unit (40; S118, S122) for outputting the character object based on the received character information and the received introduction information in association with each other, and a second reproduction unit (40; S128, S200, S202) for reproducing the content brought in correspondence with the introduction information.

According to the third aspect, any content (typically, a content watched by a certain user) can easily be recommended to another user. Accordingly, the user does not have to select of himself/herself a content he/she desires to reproduce from among a large number of contents stored in the server. Here, the information processing device operated by the user to whom the content was recommended outputs information for introducing the recommended content in association with the output character object. Therefore, as compared with an example where a content is simply introduced, the user feels more familiar and user's willingness to watch the content can further be enhanced. In addition, an advertising effect by what is called “word of mouth” among users can be enhanced.

According to a preferred fourth aspect, the information processing system further has a server. The server includes a second storage unit (FIG. 32) for storing character information and introduction information of a specific content. The reception unit of the second information processing device is adapted to be able to receive the character information and the introduction information from the first information processing device and to receive the character information and the introduction information from the server. The output unit of the second information processing device is further adapted to output the character object based on the character information received from the server and the introduction information of the specific content received from the server, in association with each other (40; S118, S122, S124).

According to the fourth aspect, in addition to the effect in the third aspect described above that another user recommends watching of the content, for example, the information for introducing a specific content stored in the server is also output in association with the character object. Therefore, as the content is introduced through two routes, user's willingness to watch the content can further be enhanced.

According to a preferred fifth aspect, the reception unit of the second information processing device is adapted to effectively receive the introduction information only when a sender of the introduction information is the first information processing device registered in advance as a communication destination.

According to the fifth aspect, reception of an undesired introduction message such as a spam mail can be suppressed.

According to a sixth aspect of the present invention, a recording medium for storing a program is provided. The program causes a computer (40) representing an information processing device (12) to perform: an obtaining step (S110, S116) of obtaining character information brought in correspondence with a specific content and introduction information of the specific content; an output step (S118, S122) of outputting a character object based on the obtained character information and the obtained introduction information in association with each other; and a reproduction step (S128, S200, S202) of reproducing the specific content.

According to the sixth aspect, the information for introducing a predetermined specific content is output in association with the character object. Therefore, for example, the user does not have to select of himself/herself a content he/she desires to reproduce from among a large number of contents stored in the server or the recording medium. Accordingly, the user is less likely to hesitate to watch the content and the user can feel free to watch the content. In addition, as the specific content is introduced in association with the character object, as compared with an example where a content is simply introduced, the user feels more familiar and user's willingness to watch the content can further be enhanced.

According to a preferred seventh aspect, the reproduction step includes the step of obtaining and reproducing the specific content from a server (104) capable of distributing a content, which is connected to the information processing device so that data can be communicated therewith.

According to the seventh aspect, as the content can be distributed from the server to a large number of information processing devices, the content distribution service provider can start providing the service according to the present invention easily with low cost.

According to a certain preferred aspect, at least one of display of an image showing a substance of a specific content and generation of voice and sound indicating a substance of a specific content is provided as output of the introduction information.

According to this aspect, the information for introducing the specific content appeals to the sense of sight or the sense of hearing of the user. Accordingly, user's willingness to watch the content can further be enhanced.

According to a preferred eighth aspect, the program further causes the computer to perform a first determination step (S106) of determining whether a first prescribed condition is satisfied or not. The output step includes the step of outputting the character object when it is determined that the first prescribed condition is satisfied.

According to a more preferred ninth aspect, the first determination step includes a first time counting step (S100) of counting time, and the output step includes the step of outputting the character object when the time is counted up to a first prescribed time in the first time counting step.

According to the eighth and ninth aspects, the character object is not steadily output, but it appears only when some condition is satisfied. Accordingly, the user can look forward to or may be surprised at appearance of the character object. Thus, user's willingness to watch the content can further be enhanced.

According to a more preferred tenth aspect, the program further causes the computer to perform a second determination step (S104) of determining whether a second prescribed condition is satisfied or not, after it is determined that the first prescribed condition is satisfied. The output step includes the steps of maintaining output of the character object after it is determined that the first prescribed condition is satisfied, and ceasing output of the character object when it is determined that the second prescribed condition is satisfied.

According to a more preferred eleventh aspect, the second determination step includes a second time counting step (S130) of counting time. The output step includes the step of ceasing output of the character object when the time is counted up to a second prescribed time in the second time counting step.

According to the tenth and eleventh aspects, the character object is not permanently output after its appearance but it disappears when a prescribed condition is satisfied. Accordingly, the character object or the introduced content can be provided with timeliness or rarity value. Therefore, not only the user can look forward to appearance of such a character object but also user's willingness to watch the content can further be enhanced.

According to a preferred twelfth aspect, the computer is connected to the server through a network, and the server stores the character information and the introduction information describing a substance of each content. The obtaining step includes the step of obtaining the character information present in the server and the introduction information brought in correspondence with the character information from the server.

According to the twelfth aspect, such a feature can be implemented by a generally used, what is called server-client configuration. Therefore, a content distribution service provider can start providing the service according to the present invention easily with low cost. Consequently, as character information and introduction information can efficiently be distributed to a large number of information processing devices, contents can be introduced to a large number of users. Therefore, the service provider can achieve a more effective advertising function.

According to a more preferred thirteenth aspect, the introduction information 2a includes identification information for designating the specific content. The reproduction step includes the step of obtaining the content designated based on the identification information by accessing the server.

According to the thirteenth aspect, as the identification information for specifying the content rather than the content data itself is transmitted and received, resources for a communication network or a storage device can be saved. In addition, as response to a user's operation can be improved, user's stress concerning the operation can be lessened.

According to a preferred fourteenth aspect, the program further causes the computer to perform a selection screen output step of outputting a selection screen for accepting input of selection as to consent to reproduction of the introduced specific content. The reproduction step includes the step of starting reproduction of the specific content when consent to reproduction is selected in the selection screen.

According to the fourteenth aspect, the user can determine whether to watch the content or not, using the provided introduction information as criteria. As only the content the user desires to watch is reproduced, content watching as intended by the user can be achieved.

According to a preferred fifteenth aspect, the computer is configured to be able to interact with a storage device (44). The program further causes the computer to perform a registration step (S5) of storing user character information for outputting a user character object set in accordance with a user's operation in the storage device, a generation step (S232, S400 to S440) of generating the character information including information for outputting the user character object in accordance with the user's operation, and a transmission step (S448) of transmitting the generated character information to another information processing device. The obtaining step includes the step of obtaining the character information from another information processing device.

According to a more preferred sixteenth aspect, the output step includes the step of outputting a character object substantially identical to the user character object output by another information processing device, based on the character information received from another information processing device.

According to a more preferred seventeenth aspect, the output step includes the step of outputting the user character object based on the user character information stored in the storage device of the information processing device itself and the character object based on the character information received from another information processing device in the same screen.

According to the fifteenth to seventeenth aspects, a content watched by a certain user can easily be recommended to another user. Accordingly, the user does not have to select of himself/herself a content he/she desires to reproduce from among a large number of contents stored in the server. Here, the information processing device operated by the user to whom the content was recommended outputs information for introducing the recommended content in association with the output character object. Therefore, as compared with an example where a content is simply introduced, the user feels more familiar and user's willingness to watch the content can further be enhanced. In addition, an advertising effect by what is called “word of mouth” among users can be enhanced.

According to a preferred eighteenth aspect, the character information includes information designating a behavior of a corresponding character object. The output step includes the step of changing animation of the output character object based on the information designating the behavior included in the character information.

According to the eighteenth aspect, by designating the behavior of the character object, an appearance, an attitude, an expression, an action, and the like of the character object when it is output can be set. Accordingly, the character that appears can have individuality and many such characteristics in addition to the introduction information can be expressed. Therefore, the content can be introduced with various expressions and user's willingness to watch the content can further be enhanced.

According to a preferred nineteenth aspect, the character information includes profile information on a character object of interest. The output step includes the step of further outputting information for introducing the character object itself in association with the character object.

According to the nineteenth aspect, the user can be informed of how the character object introducing the content is like. Therefore, the user feels more familiar and user's willingness to watch the content can further be enhanced.

An information processing device (12) according to a twentieth aspect of the present invention includes an obtaining unit (40; S110, S116) for obtaining character information brought in correspondence with a specific content and introduction information of the specific content, an output unit (40; S118, S122) for outputting a character object based on the obtained character information and the obtained introduction information in association with each other, and a reproduction unit (40; S128, S200, S202) for reproducing the specific content.

According to the twentieth aspect, the information for introducing a predetermined specific content is output in association with the character object. Therefore, for example, the user does not have to select of himself/herself a content he/she desires to reproduce from among a large number of contents stored in the server. Accordingly, the user is less likely to hesitate to watch the content and the user can feel free to watch the content. In addition) as the specific content is introduced in association with the character object, as compared with an example where a content is simply introduced, the user feels more familiar and user's willingness to watch the content can further be enhanced.

In the description above, for better understanding of the present invention, reference numerals, supplemental explanation and the like for showing correspondence with embodiments which will be described later are provided, however, they are not intended to limit the present invention in any manner.

The present invention can have the user feel free to watch contents and enhance user's willingness to watch the contents.

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic configuration diagram of a distribution system according to an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of a video game system according to the embodiment of the present invention.

FIG. 3 is a block diagram showing an electric configuration of the video game system shown in FIG. 2.

FIGS. 4A to 4E show appearance of a controller shown in FIG. 2.

FIG. 5 is a block diagram showing an electric configuration of the controller shown in FIG. 2.

FIG. 6 is a diagram showing an exemplary state of playing a game using the controller shown in FIG. 2.

FIG. 7 is a diagram for illustrating a viewing angle of a marker and the controller.

FIG. 8 is a diagram showing an exemplary picked-up image including a target image.

FIG. 9 is a diagram showing a data configuration stored in a flash memory embedded in a game device.

FIG. 10 is a diagram showing an exemplary initial screen of a content distribution application according to the embodiment of the present invention.

FIG. 11 is a diagram showing an example (No. 1) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 12 is a diagram showing an example (No. 2) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 13 is a diagram showing an example (No. 3) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 14 is a diagram showing an exemplary screen displaying a profile of a user character of the content distribution application according to the embodiment of the present invention.

FIG. 15 is a diagram showing an example (No. 4) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 16 is a diagram showing an example (No. 5) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 17 is a diagram showing an example (No. 6) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 18 is a diagram showing an example (No. 7) of a main screen of the content distribution application according to the embodiment of the present invention.

FIG. 19 is a flowchart showing a processing procedure at the time of start-up in the game device according to the embodiment of the present invention.

FIGS. 20A to 20D are diagrams showing an exemplary operation for a character registration function according to the embodiment of the present invention.

FIGS. 21A to 21F are diagrams showing an exemplary operation for creating a user character according to the embodiment of the present invention.

FIG. 22 is a flowchart showing a processing procedure (No. 1) of a main screen subroutine in the game device according to the embodiment of the present invention.

FIG. 23 is a flowchart showing a processing procedure (No. 2) of the main screen subroutine in the game device according to the embodiment of the present invention.

FIG. 24 is a sequence diagram relating to an introduction character in the distribution system according to the embodiment of the present invention.

FIGS. 25A to 25C are diagrams showing an exemplary structure of data exchanged in the sequence diagram shown in FIG. 24.

FIG. 26 is a diagram showing an exemplary state of reproduction of a content in the game device according to the embodiment of the present invention.

FIG. 27 is a diagram showing an exemplary user evaluation input screen in the game device according to the embodiment of the present invention.

FIG. 28 is a diagram showing an exemplary sub menu screen relating to motion picture reproduction in the game device according to the embodiment of the present invention.

FIG. 29 is a flowchart showing a processing procedure in a motion picture reproduction subroutine in the game device according to the embodiment of the present invention.

FIGS. 30A and 30B are diagrams showing an exemplary structure of data exchanged in the flowchart shown in FIG. 29.

FIG. 31 is a block diagram showing an exemplary summarizing process in the distribution server according to the embodiment of the present invention.

FIG. 32 is a schematic diagram of a directory structure in the distribution server according to the embodiment of the present invention.

FIGS. 33A to 33D are diagrams showing an exemplary screen displayed when a sponsor selection screen subroutine is executed in the game device according to the embodiment of the present invention.

FIG. 34 is a flowchart showing a processing procedure in the sponsor selection screen subroutine in the game device according to the embodiment of the present invention.

FIGS. 35A to 35F are diagrams showing an exemplary screen displayed when a message creation subroutine is executed in the game device according to the embodiment of the present invention.

FIG. 36 is a flowchart showing a processing procedure in the message creation subroutine in the game device according to the embodiment of the present invention.

FIG. 37 shows appearance of a portable game device according to the embodiment of the present invention.

FIG. 38 is a block diagram showing an electric configuration of the portable game device according to the embodiment of the present invention.

FIGS. 39A and 39B are diagrams showing an exemplary screen displayed when a portable terminal transfer subroutine is executed in the game device according to the embodiment of the present invention.

FIGS. 40A to 40D are diagrams showing an example (No. 1) of a screen displayed when a distribution application for portable terminal is executed in the portable game device according to the embodiment of the present invention.

FIGS. 41A to 41D are diagrams showing an example (No. 2) of a screen displayed when the distribution application for portable terminal is executed in the portable game device according to the embodiment of the present invention.

FIG. 42 is a sequence diagram showing processing for transferring a content between the game device and the portable game device according to the embodiment of the present invention.

FIG. 43 is a flowchart showing a procedure for processing the distribution application for portable terminal in the portable game device according to the embodiment of the present invention.

FIG. 44 is a diagram showing an example (No. 1) of a screen displayed when a calendar subroutine is executed in the game device according to the embodiment of the present invention.

FIG. 45 is a diagram showing an example (No. 2) of a screen displayed when the calendar subroutine is executed in the game device according to the embodiment of the present invention.

FIG. 46 is a sequence diagram showing data exchange when a calendar function is attained in the distribution system according to the embodiment of the present invention.

FIGS. 47A and 47B are diagrams showing an exemplary data structure of calendar data exchanged in the sequence diagram shown in FIG. 46.

FIG. 48 is a flowchart showing a processing procedure (No. 1) in a calendar subroutine in the game device according to the embodiment of the present invention.

FIG. 49 is a flowchart showing a processing procedure (No. 2) in the calendar subroutine in the game device according to the embodiment of the present invention.

FIG. 50 is a diagram showing an exemplary data structure of weekly calendar data according to a variation of the embodiment of the present invention.

FIGS. 51A to 51D are diagrams showing an exemplary screen displayed when a content search subroutine is executed in the game device according to the embodiment of the present invention.

FIG. 52 is a sequence diagram showing a procedure for processing a search function in the distribution system according to the embodiment of the present invention.

FIG. 53 is a flowchart showing a procedure (No. 1) for processing the content search subroutine in the distribution system according to the embodiment of the present invention.

FIG. 54 is a flowchart showing a procedure (No. 2) for processing the content search subroutine in the distribution system according to the embodiment of the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

An embodiment of the present invention will be described in detail with reference to the drawings. The same or corresponding elements in the drawings have the same reference characters allotted, and description thereof will not be repeated.

DEFINITION

The phrase “can interact” herein means that a device such as an input portion, a display portion, a storage portion, and an audio output portion is connected to a computer representing an information processing device (typically, a game device) via wire or wireless communication and that data can be communicated. Here, a device such as an input portion, a display portion, a storage portion, and an audio output portion may integrally be formed with the computer or separately be provided.

Initially, a distribution system 100 will be described as a typical example of an information processing system according to the present invention. Referring to FIG. 1, distribution system 100 according to an embodiment of the present invention includes a distribution server 104 distributing a content such as a motion picture which will be described later and a mail server 102 for exchanging a message between users or players (hereinafter, also simply collectively referred to as “user”). These servers 102 and 104 are connected to one video game device or a plurality of video game devices (hereinafter, also simply referred to as “game device”) through a network 106 including the Internet or LAN so that data can be communicated. As distribution of contents such as motion pictures requires a relatively wide network band, a distributed system may be adopted. The distributed system is provided by including at least one main server and at least one cache server for distributing the same data or content substantially in synchronization with this main server. Typically, by providing one main server and a plurality of cache servers on network 106 and configuring the plurality of cache servers so as to reflect data update in the main server, a cache server closest to a game device 12 that accesses from various locations on network 106 can distribute thereto contents or various types of data. Thus, response to game device 12 can be improved.

Though details of game device 12 will be described later, the user operates game device 12 to request distribution server 104 for downloading of a content that he/she found interesting or to inform a family member, a friend or the like of a content that he/she found interesting among the watched distribution contents via an e-mail.

Though FIG. 1 illustrates a configuration where a plurality of game devices 12 are connected to network 106, a single game device 12 may be provided. In addition, a plurality of distribution servers 104 may be provided, depending on a type, load, or the like of downloaded data (content). In addition, a personal computer (PC), a portable telephone or the like may be connected to network 106. In addition, various electronic devices may be connected to network 106 so that a message can be exchanged with game device 12 via mail server 102.

Alternatively, instead of what is called a server-client configuration shown in FIG. 1, a P2P (Peer to Peer) configuration in which data is directly exchanged between game devices 12 without using distribution server 104 may be adopted. Further alternatively, instead of a method using the network, a content, introduction character information, motion picture information, or the like may be obtained through a storage medium such as a portable semiconductor memory and an optical disc.

Game devices 12 can also communicate with each other through network 106. A message input by the user or a message generated by game device 12 is converted to an e-mail format and transmitted/received (exchanged) between game devices 12 through network 106 and mail server 102. Therefore, a common mail server may be used as mail server 102. Thus, game device 12 can also exchange a message, that is, an e-mail, with a portable terminal (a terminal other than another game device 12) such as a PC or a portable telephone. As such message exchange processing in game device 12 is automatically performed in accordance with prescribed schedule without a user's instruction for exchange, the user can receive a message while playing a game or executing another application, without his/her own periodic checking operation. In addition, game device 12 may also exchange a message only with game device 12 or a terminal other than game device 12 (hereinafter may simply also be referred to as “another terminal”), of which address has been registered in an address book (a friend list 44d which will be described later). In such a case, reception of an undesired message such as a spam mail by the user can be avoided, even though a common mail system is used.

In addition, game device 12 can provide a message board function which is an application for displaying a received message on a monitor 34. Preferably, however, a specific message dependent on other applications (games and the like), that is, data used only by such applications can be read only by means of such applications. Therefore, if a user would like to send a message only to a specific user, by transmitting that message together with data dependent on an individual application, the message can be in such a format that cannot be read with the message board function. It is noted that a message that can be referred to regardless of a type of an application can be referred to (read) by anybody based on the message board function, when it is displayed on monitor 34.

The message board function is provided by an application having a function to display a received message on monitor 34, and it achieves display of the message obtained from network 106. Not only a message received from other game devices 12 or other terminals but also a message created for the game device itself can also similarly be displayed. Therefore, even when game device 12 is not connected to network 106, this message board function can be utilized as a message board at home and/or as a personal memo pad. In addition, a record generated by an application such as a game may also subsequently be viewed by using the message board function. Here, by storing in the same area a message generated in game device 12 in a format the same as that for the message obtained through network 106 (in the present embodiment, an e-mail format), it is not necessary to prepare individual display processing. For example, data should only be converted to an e-mail format in generating a memo or a message, or data in an e-mail format should only be generated in game program processing.

Referring to FIG. 2, a video game system 10 according to the embodiment of the present invention includes game device 12 and a controller 22. A content distribution application is incorporated in game device 12 and video game system 10 functions as a content distribution terminal.

Game device 12 according to the present embodiment is designed to be able to communicate with four controllers 22 at the maximum. In addition, game device 12 and each controller 22 are connected to each other through wireless communication. For example, wireless communication is implemented under Bluetooth® specifications, however, it may be implemented under other specifications such as infrared or wireless LAN. Alternatively, wire connection may be adopted.

Game device 12 includes a housing 14 in a substantially parallelepiped shape, and a disc slot 16 is provided in a front surface of housing 14. An optical disc 18 typically representative of a storage medium for storing a game program or the like is inserted in disc slot 16 and attached to a disc drive 54 (see FIG. 3) within housing 14. An LED and a light guide plate are arranged around disc slot 16, and the LED can illuminate in response to various processes.

In addition, in the front surface of housing 14 of game device 12, a power button 20a and a reset button 20b are provided in an upper portion thereof and an eject button 20c is provided in a lower portion thereof. Moreover, a connector cover 28 for an external memory card is provided between reset button 20b and eject button 20c, in the vicinity of disc slot 16. An external memory card connector 62 (see FIG. 3) is provided inside connector cover 28 for external memory card, in which a not-shown external memory card (hereinafter simply also referred to as a “memory card”) is inserted. The memory card is used for temporarily storing a game program or the like that is read from optical disc 18 and loaded, or it is used for storing (saving) game data of the came played with this video game system 10 (data of a game result or data while playing the game). The game data above, however, may be stored in an internal memory such as a flash memory 44 (see FIG. 3) provided inside game device 12, instead of the memory card. In addition, the memory card may be used as a back-up memory for the internal memory. Further, the game program or the like may be supplied (downloaded) to game device 12 from a server or the like connected to the network through a wire or wireless communication line. The game program or the like thus downloaded is stored in flash memory 44 (see FIG. 3) or a memory card provided in game device 12.

A general-purpose SD (Secured Digital) card may be employed as the memory card, however, other general-purpose memory cards such as a memory stick or a multimedia card (trademark) may also be employed.

An AV cable connector 58 (see FIG. 3) is provided on a rear surface of housing 14 of game device 12. An AV cable 32a is connected to AV connector 58, and game device 12, monitor 34 (display portion) and a speaker 34a (an audio output portion) are connected to one another through this AV cable 32a. Monitor 34 and speaker 34a are typically implemented by a color television. AV cable 32a inputs a video signal from game device 12 to a video input terminal of the color television and inputs an audio signal to an audio input terminal. Therefore, for example, a game image of a three-dimensional (3D) video game is displayed on a screen of color television (monitor) 34 and stereophonic game sound such as game music or sound effect is output from left and right speakers 34a. In addition, a marker portion 34b having two infrared LEDs (markers) 340m and 340n is provided around monitor 34 (in the example shown in FIG. 2, on the top of monitor 34). Marker portion 34b is connected to game device 12 through a power cable 32b Therefore, marker portion 34b is supplied with power from game device 12. Thus, markers 340m and 340n emit light and output infrared rays from the front of monitor 34.

Game device 12 is supplied with power by a general AC adapter (not shown). The AC adapter is inserted in an ordinary wall outlet at home and power supply for home (commercial power supply) is converted to a low DC voltage signal suitable for driving game device 12. In other implementations, a battery may be employed as the power supply.

When the user plays some kind of a video game (or another application, without limited to the video game) with this video game system 10, the user initially turns on power of game device 12, selects appropriate optical disc 18 recording a program of a video game (or another application the user desires to play), and loads optical disc 18 to disc drive 54 of game device 12. Then, game device 12 starts execution of the video game or another application based on the program recorded on that optical disc 18. Alternatively, game device 12 may start execution of the video game or another application based on a program downloaded in advance from the server and stored in flash memory 44 (see FIG. 3) or the like.

The user operates controller 22 to provide an input to game device 12. For example, by operating any button in an input portion 26, the user starts the video game or another application. Further, by moving controller 22 itself other than operating input portion 26, the user can move a motion picture object (a user object) in a different direction or change a point of view of the user (a camera position) in a 3D game world.

FIG. 3 is a block diagram showing an electric configuration of video game system 10 shown in FIG. 2. Each component within housing 14 is mounted on a printed circuit board. As shown in FIG. 3, game device 12 is provided with a CPU 40. CPU 40 functions as a game processor. A system LSI 42 is connected to CPU 40. An external main memory 46, a ROM/RTC 48, disc drive 54, and an AV_IC 56 are connected to this system LSI 42.

External main memory 46 stores a program of various applications or various types of data, and it is used as a work area or a buffer area of CPU 40 ROM/RTC 48 is what is called a boot ROM, and a program for starting up game device 12 is incorporated therein and provided with a time counting circuit for counting time. Namely, CPU 40 obtains current time and day (year, month, day, and time) by referring to ROM/RTC 48. Disc drive 54 reads program data, texture data or the like from optical disc 18, and writes such data in an internal main memory 42e or external main memory 46 which will be described later under the control of CPU 40.

System LSI 42 includes an input/output processor 42a, a GPU (Graphics Processor Unit) 42b, a DSP (Digital Signal Processor) 42c, a VRAM 42d, and internal main memory 42e, and these components are connected to one another through an internal bus.

Input/output processor (I/O processor) 42a transmits and receives data or downloads data. Transmission and reception and downloading of data will be described later in detail.

GPU 42b forms a part of rendering means. Receiving a graphics command (an image creation command) from CPU 40. GPU 42b generates game image data in accordance with the command. It is noted that CPU 40 provides an image generation program necessary for generating game image data to GPU 42b, in addition to the graphics command.

As described above, VRAM 42d is connected to CPU 42b. GPU 42b obtains data necessary for GPU 42b to execute the image creation command (image data: data such as polygon data or texture data) by accessing VRAM 42d. It is noted that CPU 40 writes image data necessary for rendering in VRAM 42d, by utilizing GPU 42b. GPU 42b accesses VRAM 42d and creates the game image data for rendering.

In the present embodiment, an example where GPU 42b generates game image data is described. On the other hand, when some kind of application other than the game application is executed. GPU 42b generates image data for that application.

In addition, DSP 42c functions as an audio processor and generates audio data corresponding to sound, voice or music to be output from speaker 34a, by using sound data or a sound waveform (tone) data stored in internal main memory 42e or external main memory 46.

The game image data and the audio data generated as described above are read by AV_IC 56 and output to monitor 34 and speaker 34a through AV connector 58. Therefore, a game picture is displayed on monitor 34 and sound (music) necessary for the game is output from speaker 34a.

In addition, flash memory 44, a wireless communication module 50 and a wireless controller module 52 are connected to input/output processor 42a. Moreover, an antenna 50a is connected to wireless communication module 50 and an antenna 52a is connected to wireless controller module 52.

Input/output processor 42a can communicate with another game device or various servers connected to the network through wireless communication module 50. Input/output processor 42a, however, can also communicate directly with another game device without communicating via the network. Input/output processor 42a periodically accesses flash memory 44 and detects whether data that should be transmitted to the network (referred to as transmission data) is present or not. If such transmission data is present, input/output processor 42a transmits the data to the network through wireless communication module 50 and antenna 50a. In addition, input/output processor 42a receives data transmitted from another game device (also referred to as reception data) through the network, antenna 50a and wireless communication module 50 and causes flash memory 44 to store the reception data. Under a prescribed condition, however, input/output processor 42a discards the reception data. In addition, input/output processor 42a receives data downloaded from a download server (referred to as the downloaded data) through the network, antenna 50a and wireless communication module 50 and causes flash memory 44 to store the downloaded data.

In addition, input/output processor 42a receives input data transmitted from controller 22 through antenna 52a and wireless controller module 52, and causes internal main memory 42e or external main memory 46 to store (temporarily store) the input data in a buffer area thereof. After the input data is used in game processing by CPU 40, it is erased from the buffer area.

In the present embodiment, as described above, wireless controller module 52 communicates with controller 22 under Bluetooth® specifications.

In addition, an expansion connector 60 and external memory card connector 62 are connected to input/output processor 42a. Expansion connector 60 is a connector for an interface such as a USB or an SCSI, and a medium such as an external storage medium or a peripheral device such as another controller can be connected. In addition, a wired LAN adapter may be connected to expansion connector 60 and wired LAN can be utilized instead of wireless communication module 50. An external storage medium such as a memory card can be connected to external memory card connector 62. Therefore, for example, input/output processor 42a can access the external storage medium to store data therein or to read data therefrom, through expansion connector 60 or external memory card connector 62.

As shown also in FIG. 2, game device 12 (housing 14) is provided with power button 20a, reset button 20b and eject button 20c. Power button 20a is connected to system LSI 42. When power button 20a is turned on, system LSI 42 supplies power to each component in game device 12 through a not-shown AC adapter and sets a mode in a normally powered state (referred to as a normal mode). On the other hand, when power button 20a is turned off system LSI 42 supplies power only to some components in game device 12 and sets a mode in which power consumption is minimized (hereinafter also referred to as a “stand-by mode”). In the present embodiment, when the stand-by mode is set, system LSI 42 indicates stop of power supply to components other than input/output processor 42a, flash memory 44, external main memory 46. ROM/RTC 48, wireless communication module 50, and wireless controller module 52. Therefore, the stand-by mode refers to a mode in which CPU 40 does not execute an application.

Though power is supplied to system LSI 42 even in the stand-by mode, power consumption is lowered by avoiding drive of GPU 42b. DSP 42c and VRAM 42d as a result of stop of supply of a clock thereto.

In addition, a fan for expelling heat of an IC such as CPU 40 or system LSI 42 is provided in housing 14 of game device 12. In the stand-by mode, this fan is also stopped. If the user does not wish to use the stand-by mode, setting for not using the stand-by mode may be made so that power supply to all circuit components is completely stopped as power button 20a is turned off.

In addition, switching between the normal mode and the stand-by mode may also be made remotely by switching on and off a power switch 26h (see FIG. 4) of controller 22. When such a remote operation is not performed, such setting that power is not supplied to wireless controller module 52 in the stand-by mode may be made.

Reset button 20b is also connected to system LSI 42. When reset button 20b is pressed, system LSI 42 re-starts a start-up program of game device 12. Eject button 20c is connected to disc drive 54. When eject button 20c is pressed, optical disc 18 is ejected from disc drive 54.

FIGS. 4A to 4E show exemplary appearance of controller 22. FIG. 4A shows a tip end surface of controller 22, FIG. 4B shows an upper surface of controller 22, FIG. 4C shows a right side surface of controller 22, FIG. 4D shows a lower surface of controller 22, and FIG. 4E shows a rear end surface of controller 22.

Referring to FIGS. 4A to 4E, controller 22 has a housing 22a formed, for example, by plastic molding. Housing 22a is in a substantially parallelepiped shape and has such a size as being held by the user with one hand. Housing 22a (controller 22) is provided with input means (a plurality of buttons and/or switches) 26. Specifically, as shown in FIG. 4B, a cross key 26a, a 1 button 26b, a 2 button 26c, an A button 26d, a − button 26e, a HOME button 26f, a + button 26g, and power switch 26h are provided on the upper surface of housing 22a In addition, as shown in FIGS. 4C and 4D, an inclined surface is formed in the lower surface of housing 22a, where a B trigger switch 26i is provided.

Cross key 26a is a four-directional push switch, and includes operation portions pointing to four directions shown with arrows, that is, front (or up), rear (or down), right, and left. As the user operates any one of these operation portions, a direction of movement of a character or an object (a user character or a user object) operable by the user can be indicated or a direction of movement of a cursor can be indicated.

Each of 1 button 26b and 2 button 26c is a push-button switch. For example, these buttons are used for a game operation such as adjustment of a position of a viewpoint or a direction of viewpoint, that is, a position or a field angle of a virtual camera, for example, in displaying a three-dimensional game image. Alternatively, 1 button 26b and 2 button 26c may be used for an operation the same as that with A button 26d and B trigger switch 26i, respectively, or for an auxiliary operation.

A button 26d is a push-button switch, and it is used for causing the user character or the user object to perform an operation other than indication of a direction, that is, any action including hitting (punching), throwing, catching (grasping), riding, jumping, or the like. For example, in an action game, jumping, punching, actuating a weapon, or the like can be indicated. Alternatively, in a role-playing game (RPG) or simulation RPG, acquiring of an item, selection and determination of a weapon or a command, or the like can be indicated.

Each of − button 26e, HOME button 26f, + button 26g, and power switch 26h is also a push-button switch. − button 26e is used for selecting a game mode. HOME button 26f is used for displaying a game menu (a menu screen). + button 26g is used for starting (resuming) a game or causing the game to pause. Power switch 26h is used for turning on/off power of game device 12 by remote operation.

In the present embodiment, a power switch for turning on/off controller 22 itself is not provided, and controller 22 is configured such that it is turned on by operating any input portion 26 of controller 22 and it is automatically turned off in the absence of an operation for a prescribed period (for example, 30 seconds) or longer.

B trigger switch 26i is also a push-button switch, and it is mainly used for providing an input simulating a trigger such as shooting a gun or for designating a position selected by controller 22. In addition, by keep pressing B trigger switch 26i, an operation of the user object or a parameter can also be maintained in a prescribed state. In addition, in a prescribed case, B trigger switch 26i functions similarly to a normal B button, and it is used for canceling an action selected by using A button 26d.

In addition, as shown in FIG. 4E, an external expansion connector 22b is provided in the rear end surface of housing 22a, and as shown in FIG. 4B, an indicator 22c is provided on the upper surface of housing 22a, toward the side of the rear end surface. External expansion connector 22b is used, for example, for connection to a not-shown another expansion controller. Indicator 22c is constituted, for example, of four LEDs. Illumination of any one of these four LEDs can indicate identification information (a controller number) of controller 22 corresponding to the illuminating LED or indicate a state of charge of controller 22 based on the number of illuminating LEDs.

Moreover, controller 22 has an image pick-up information operating unit 80 (see FIG. 5), and a light incident port 22d of image pick-up information operating unit 80 is provided at the tip end surface of housing 22a as shown in FIG. 4A. Further, controller 22 has a speaker 86 (see FIG. 5). As shown in FIG. 4B, speaker 86 is provided inside housing 22a, in correspondence with a sound emission hole 22e provided in the upper surface of housing 22a, between 1 button 26b and HOME button 26f.

The shape of controller 22 and the shape, the number, the position, and the like of input portions 26 shown in FIGS. 4A to 4E are merely by way of example, and even variation as appropriate thereof is encompassed in the essence of the present invention.

FIG. 5 is a block diagram showing an electric configuration of controller 22. Referring to FIG. 5, controller 22 includes a processor 70, to which external expansion connector 22b, input portion 26, a memory 72, an acceleration sensor 74, a wireless module 76, image pick-up information operating unit 80, an LED 82 (indicator 22c), a vibrator 84, speaker 86, and a power supply circuit 88 are connected through an internal bus (not shown). In addition, an antenna 78 is connected to wireless module 76.

Processor 70 is responsible for overall control of controller 22, and it transmits (inputs) as input data, information input from input portion 26, acceleration sensor 74 and image pick-up information operating unit 80 (input information) to game device 12 through wireless module 76 and antenna 78. Here, processor 70 uses memory 72 as a work area or a buffer area.

An operation signal (operation data) from input portion 26 (26a to 26i) described above is input to processor 70, which once causes memory 72 to store the operation data.

In addition, acceleration sensor 74 detects each acceleration in three axes of a vertical direction (direction of y-axis), a horizontal direction (direction of x-axis) and a front-rear direction (direction of z-axis) of controller 22. Acceleration sensor 74 is typically a capacitance-type acceleration sensor, however, a sensor of another type may be employed.

For example, acceleration sensor 74 detects acceleration for each of the x-axis, the y-axis and the z-axis (ax, ay, az) every first prescribed time, and inputs the detected acceleration data (acceleration data) to processor 70. For example, acceleration sensor 74 detects acceleration in the direction of each axis in a range from −2.0G to 2.0G (G represents acceleration of gravity; to be understood similarly hereinafter). Processor 70 detects acceleration data provided from acceleration sensor 74 every second prescribed time, and causes memory 72 to once store the acceleration data. Processor 70 creates input data including at least one of operation data, acceleration data and marker coordinate data which will be described later, and transmits the created input data to game device 12 every third prescribed time (for example, 5 msec.).

Though not shown in FIGS. 4A to 4E, in the present embodiment, acceleration sensor 74 is provided on a substrate inside housing 22a, around a position where cross key 26a is arranged.

Here, a person skilled in the art could readily understand from the description in the present specification that further information on controller 22 can be estimated and/or calculated (determined) as a result of processing by the processor of game device 12 (such as CPU 40), the processor of controller 22 (such as processor 70) or the like, based on the acceleration data output from acceleration sensor 74.

For example, in an example where the processor performs processing on the premise that the controller including a one-axis acceleration sensor is in a static state, that is, where it is assumed that acceleration detected by the acceleration sensor consists of only acceleration of gravity, if controller 22 is actually in a static state, whether an attitude of controller 22 is inclined with respect to the direction of gravity or how it is inclined can be determined based on the detected acceleration data. Specifically, if a state that an axis detected by the acceleration sensor is in the vertically downward direction is defined as the reference, inclination can be determined only based on whether 1G (acceleration of gravity) is applied or not, and magnitude of inclination can be determined based on magnitude of acceleration of gravity.

Alternatively, in a case of a multi-axis acceleration sensor, acceleration data in each axis is further processed so that a degree of inclination with respect to the direction of gravity can be known in further detail. In such a case, processor 70 may perform processing for calculating data of an angle of inclination of controller 22 based on outputs from the acceleration sensors, however, processing may be such that approximate inclination can be estimated based on outputs from the acceleration sensors without processing for calculating inclination angle data. Thus, by combining the acceleration sensor with the processor, an inclination, an attitude or a position of controller 22 can be determined.

On the other hand, in an example where the acceleration sensor is premised on a dynamic state, acceleration in accordance with movement of the acceleration sensor is detected in addition to a component of acceleration of gravity. Therefore, by eliminating the component of acceleration of gravity with prescribed processing, a direction of movement or the like can be determined. Specifically, when controller 22 having the acceleration sensors is moved in a manner dynamically accelerated by a user's hand, the acceleration data generated by the acceleration sensors is processed so that various movements and/or positions of controller 22 can be calculated.

Even in an example where the acceleration sensor is premised on a dynamic state, inclination with respect to the direction of gravity can be determined by eliminating acceleration in accordance with movement of the acceleration sensor with prescribed processing. In another embodiment, the acceleration sensor may incorporate an embedded signal processing device or a dedicated processing device of another type for subjecting an acceleration signal (acceleration data) output from contained acceleration detection means to desired processing prior to output of acceleration data to processor 70. For example, an embedded or dedicated processing device may convert sensed acceleration data into a corresponding inclination angle (or other preferred parameters) if the acceleration sensor serves to detect static acceleration (for example, acceleration of gravity).

Wireless module 76 modulates a carrier wave at a prescribed frequency with input data and emits the resultant weak radio signal from antenna 78, using, for example, the Bluetooth® technique. Namely, input data is modulated by wireless module 76 into a weak radio signal and transmitted from antenna 78 (controller 22). This weak radio signal is received by wireless controller module 52 provided in game device 12 described above. The received weak radio wave is subjected to demodulation and decoding processing, and consequently, game device 12 (CPU 40) can obtain input data from controller 22. Then, CPU 40 proceeds with game processing in accordance with the obtained input data and the program (game program).

In addition, as described above, controller 22 is provided with image pick-up information operating unit 80. Image pick-up information operating unit 80 is constituted of an infrared filter 80a, a lens 80b, an image pick-up element 80c, and an image processing circuit 80d. Infrared filter 80a allows passage of only infrared of light incident from the front of controller 22. As described above, markers 340m and 340n arranged in the vicinity of (around) a display screen of monitor 34 are infrared LEDs for outputting infrared rays from the front of monitor 34. Therefore, an image of markers 340m and 340n can more accurately be picked up by providing infrared filter 80a. Lens 80b collects the infrared rays that have passed through infrared filter 80a and directs the infrared rays toward image pick-up element 80c. Image pick-up element 80c is implemented by a solid-state image pick-up element such as a CMOS sensor or a CCD, and it picks up an image of the infrared rays collected by lens 80b. Therefore, image pick-up element 80c picks up an image only of the infrared rays that have passed through infrared filter 80a to generate image data. An image picked up by image pick-up element 80c is hereinafter referred to as a picked-up image. The image data generated by image pick-up element 80c is processed by image processing circuit 80d. Image processing circuit 80d calculates a position of an image pick-up object (markers 340m and 340n) within the picked-up image and outputs each coordinate value indicating the position to processor 70 as the image pick-up data every fourth prescribed time. Processing in image processing circuit 80d will be described later.

FIG. 6 is a diagram showing an exemplary state of playing a game using controller 22. As shown in FIG. 6, in playing a game using controller 22 in video game system 10, the user holds controller 22 with one hand. Strictly speaking, the user holds controller 22 in such a state that the tip end surface of controller 22 (on the side of port 22d on which light to be picked up by image pick-up information operating unit 80 is incident) is directed toward markers 340m and 340n. As can be seen also from FIG. 6, however, markers 340m and 340n are arranged in parallel to the horizontal direction of the screen of monitor 34. In such a state, the user performs a game operation by changing a position on the screen indicated by controller 22 or by changing a distance between controller 22 and each marker 340m, 340n.

FIG. 7 is a diagram for illustrating a viewing angle of markers 340m and 340n and controller 22. As shown in FIG. 7, each of markers 340m and 340n emits infrared rays in a range of a viewing angle θ1. In addition, image pick-up element 80c of image pick-up information operating unit 80 can receive incident light in a range of a viewing angle θ2, with a direction of line of sight of controller 22 being defined as the center. For example, viewing angle θ1 of markers 340m and 340n is set to 340 (half-value angle), while viewing angle θ2 of image pick-up element 80c is set to 41°. The user holds controller 22 in such a position and an orientation that image pick-up element 80c can receive infrared rays from two markers 340m and 340n. Specifically, the user holds controller 22 such that at least one of markers 340m and 340n is located within viewing angle θ2 of image pick-up element 80c and controller 22 is located in viewing angle θ1 of at least one of markers 340m and 340n. In such a state, controller 22 can sense at least one of markers 340m and 340n. The user can perform a game operation by changing the position and the orientation of controller 22 in a range satisfying this condition.

If the position and the orientation of controller 22 are out of this range, the game operation based on the position and the orientation of controller 22 cannot be performed. Such a range above will hereinafter be referred to as an “effective operation range.”

When controller 22 is held within the effective operation range, an image of each marker 340m, 340n is picked up by image pick-up information operating unit 80. Namely, the picked-up image obtained by image pick-up element 80c includes an image of each marker 340m, 340n, which is a target of image pick-up (target image). FIG. 8 is a diagram showing an exemplary picked-up image including a target image. Using the image data of the picked-up image including the target image, image processing circuit 80d calculates a coordinate indicating a position of each marker 340m, 340n in the picked-up image (a marker coordinate).

As the target image appears as a high-luminance portion in the image data of the picked-up image, image processing circuit 80d initially detects this high-luminance portion as a candidate for the target image. Then, image processing circuit 80d determines whether that high-luminance portion is the target image or not, based on a size of the detected high-luminance portion. The picked-up image may include not only target images 340m′ and 340n′ corresponding to two respective markers 340m and 340n but also an image other than the target image due to solar rays passing through a window or light of a fluorescent lamp in a room. Processing for determining whether the high-luminance portion is the target image or not is performed in order to distinguish between target images 340m′ and 340n′ corresponding to respective markers 340m and 340n and an image other than that and to accurately detect the target image. Specifically, in the determination processing, whether the detected high-luminance portion has a size in a predetermined prescribed range or not is determined. When the high-luminance portion has a size in the prescribed range, the high-luminance portion is determined as the target image. In contrast, when the high-luminance portion does not have a size in the prescribed range, the high-luminance portion is determined as an image other than the target image.

In addition, image processing circuit 80d calculates a position of the high-luminance portion that has been determined as the target image as a result of the determination processing above. Specifically, the position of the center of gravity of the high-luminance portion is calculated. Here, the coordinate of the position of the center of gravity is referred to as a marker coordinate. In addition, the position of the center of gravity can be calculated on an order higher than resolution of image pick-up element 80c. Here, the resolution of the image picked up by image pick-up element 80c is assumed as 126 dots×96 dots and the position of the center of gravity is calculated on a scale of 1024 dots 768 dots. Namely, the marker coordinate is expressed as an integer value from (0, 0) to (1024, 768).

It is noted that the position in the picked-up image is expressed in a coordinate system (an XY coordinate system) in which the upper left of the picked-up image is defined as the origin, a downward direction is defined as the positive direction of the Y-axis, and a right direction is defined as the positive direction of the X-axis.

In addition, if the target images are properly detected, two high-luminance portions are extracted as the target images through the determination processing, and therefore, two marker coordinates are calculated. Image processing circuit 80d outputs data indicating calculated two marker coordinates. The output data of the marker coordinates (marker coordinate data) is included in the input data and transmitted to game device 12 by processor 70, as described above.

When game device 12 (CPU 40) detects the marker coordinate data from the received input data, it can calculate a position indicated by controller 22 on the screen of monitor 34 (an indicated coordinate) and a distance from controller 22 to each of markers 340m and 340n based on this marker coordinate data. Specifically, the position to which controller 22 is directed, that is, the indicated position, is calculated based on the position of an intermediate point between two marker coordinates. In addition, as the distance between the target images in the picked-up image is varied depending on a distance between controller 22 and markers 340m, 340n, game device 12 can obtain the distance between controller 22 and markers 340m, 340n by calculating the distance between the two marker coordinates.

A configuration of data stored in flash memory 44 contained in game device 12 will now be described with reference to FIG. 9

Game device 12 performs two types of communication processing for exchange of a message with mail server 102 and downloading of data from distribution server 104. Processing for exchanging the message and downloading is performed by input/output processor 42a. Flash memory 44 includes as a storage area, a transmission message box 44a, a reception message box 44b, a file for administration 44c, a friend list 44d, a task list 44e, a save area 44f, a database 44g, and a main body application area 44h.

Transmission message box 44a is an area for storing a message in an e-mail format transmitted from game device 12 to another game device 12 or other terminals (referred to as transmission data). As can also be seen in FIG. 9, the transmission data is transmitted to mail server 102. Therefore, game device 12 can transmit a message to another game device 12 through mail server 102 and network 106. Input/output processor 42a refers to transmission message box 44a based on a prescribed schedule (for example, every 10 minutes), and if transmission data is stored, it transmits the stored transmission data to mail server 102. When the transmission data is transmitted to mail server 102, the transmission data is erased from transmission message box 44a. Alternatively, the processing above may be performed in response to the user's operation.

Thus, input/output processor 42a transmits an e-mail independently of the application. Therefore, only by performing processing for creating a message and thereafter recording the message in the e-mail format in transmission message box 44a, a message can be transmitted, with an application such as a message board function or a game being executed by CPU 40.

In the present embodiment, data in a more general e-mail format is exchanged with mail server 102, however, the data format is not limited to an e-mail but any data format may be adopted. Speaking in particular of communication between game devices 12, it is not necessary to adopt a general format. Even in an example of communication with another terminal, any general format adapted to processing by that terminal is also applicable. In addition, regarding a type of the server as well, any server of a type other than the mail server may be adopted, so long as it holds received data until it is accessed from a terminal.

If a transmission function is suspended or communication fails for some reason, transmission data is not transmitted and a data capacity in transmission message box 44a may become full. In such a case, addition of a transmission message to transmission message box 44a is not accepted.

Reception message box 44b is an area for storing a message in an e-mail format received from another game device 12, another terminal, or distribution server 104 (it may also herein be referred to as “reception data” in contrast to “transmission data” above). As can also be seen in FIG. 9, the reception data is transmitted from mail server 102 and/or distribution server 104. Input/output processor 42a accesses mail server 102 based on a prescribed schedule (for example, every 10 minutes) to check whether there is a new incoming mail in the server or not. When there is a new incoming mail, the new mail is obtained and stored in reception message box 44b as reception data. In reception message box 44b, the reception data is opened (used) by the application and erased, or held until reception message box 44b becomes full. For example, when reception message box 44b becomes full, oldest reception data is erased each time new reception data is received. In addition, when game device 12 is in the normal mode, the reception data held in reception message box 44b is moved to database 44g in accordance with header information except for such data as attached with data dependent on an application such as game data, and the reception data is readable by means of the message board function.

The reception data from mail server 102 is a message from another game device 12 or another terminal. Moreover, the reception data from distribution server 104 is a message such as notification from an administrator or the like of distribution server 104 to a plurality of users. For example, the administrator or the like of distribution server 104 transmits (notifies the user of) a message such as information on a new game application (game software) or information on an event in the game. Details of processing for storing data received from distribution server 104 in reception message box 44b will be described later.

File for administration 44c contains information on administration of game device 12, and it stores information specific to game device 12 such as identification information of game device 12, a user profile or the like, which is read as necessary. Friend list 44d corresponds to what is called an e-mail address book, and identification information of registered another game device 12 (or a mail address) and a mail address of another terminal are described. Friend list 44d can be referred to not only when a message board function is provided but it can also be referred to by various applications. It is noted that an e-mail other than an e-mail (reception data) that has the identification information of another game device 12 or is transmitted from another terminal having the mail address registered as friend in friend list 44d (address registration) is erased. Namely, when a sender is unknown, reception data is filtered. Thus, an undesired e-mail such as a spam mail can automatically be erased.

Task list 44e is a list of tasks representing a schedule of downloading data from distribution server 104, and it stores tasks registered in advance for necessity of game device 12 or tasks arbitrarily registered by the user. As a result of execution of each task, downloading processing is performed.

Save area 44f is an area for storing (saving) data of an application, and it includes a download box 440 in that area. Download box 440 is an area for storing data downloaded from distribution server 104 in accordance with the task, as described above. In addition, an area for each application is secured in save area 44f. Therefore, in another embodiment, a download box for each application may be provided in an area for storing data of an application corresponding to the download data.

Database 44g is an area for storing a message for each date that is used by the message board function described above, and it can be referred to also by another application. As described above, the reception data is stored in reception message box 44h, however, the capacity of reception message box 44b is limited. Accordingly, when the capacity is full, oldest reception data is sequentially erased. Therefore, database 44g is provided for long-time storage of messages or sharing thereof, and the reception data (message) stored in reception message box 44b is moved to database 44g except for data used only with an individual application, such as data attached with game data. Here, the header information of the message is referred to, so that the message is stored in each area of database 44g managed for each date. For example, when year, month, day, and time are described as information for designating the time and day of the message board, the reception data is stored in the area corresponding to the designated year, month and day. If the header information of the message does not designate the time and day or the like, the message is stored in an area corresponding to the day of reception of the message. Regarding a method of managing the area for each date, for example, a folder is provided for each date so that the message is stored in a corresponding folder. Alternatively, a file may be stored under a name indicating the time.

When a memory card is attached to external memory card connector 62, the content in database 44g may be backed up in the memory card either automatically or in accordance with a user's instruction.

Main body application area 44h is an area for storing a program of an application (software) incorporated as a main body function. For example, a menu program at the time of start-up of game device 12 or an application of a function of game device 12 itself (a main body function) such as a message board function and a friend registration function is stored (installed) in main body application area 44h. Namely, game device 12 can read a program such as a game stored in optical disc 18 to execute an application, or can read a program stored in flash memory 44 to execute an application. In addition, the program stored in main body application area 44h may also be added, in addition to the software described above.

Mail server 102 and distribution server 104 are typically implemented by a general-purpose server computer. Such a server computer includes a processor such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit), a storage device such as a dynamic memory or a hard disk, and an input/output device such as a keyboard, a mouse and a monitor. As the configuration of the server computer has been known, further description will not be provided. Mail server 102 and distribution server 104 may also be configured such that a plurality of processors cooperate with each other to provide each server function, like what is called a cluster computer.

Overview of an application provided by execution of a content distribution application according to the present embodiment will be described. When the content distribution application according to the present embodiment is started up, initially, an initial screen as shown in FIG. 10 is displayed.

In game device 12 according to the present embodiment, when power button 20a (FIG. 2) is turned on, a main menu screen is displayed in which a list of icons indicating one or more application installed in advance, including the content distribution application according to the present embodiment, is arranged. The user operates controller 22 to select an icon indicating a desired application on this main menu screen. Then, the program corresponding to the selected icon is executed.

Referring to FIG. 10, in the initial screen of the content distribution application according to the present embodiment, an icon, a banner and the like are displayed in a manner superimposed on a screen shot immediately after start-up of the present application which will be described later.

When the user operates controller 22 to select a “start” icon 504, CPU 40 of game device 12 performs initialization processing and then has the main screen shown in FIG. 11 displayed. On the other hand, when the user operates controller 22 to select a “to menu” icon 502, the screen returns to the main menu.

Referring to FIG. 11, the main screen displays such a 3D game image that one character or a plurality of characters 510a to 510e registered in advance is (are) gathering in a living room. When the user operates controller 22, a point of view of the user (camera position) in this 3D game world can be varied. Namely, CPU 40 of game device 12 has a game image different in a point of view displayed, in accordance with the user's operation of controller 22.

Here, as characters 510a to 510e shown in FIG. 11 can be registered in advance by the user as will be described later, they are also collectively referred to as “user character 510” for distinction from other characters.

In addition, the main screen shown in FIG. 11 shows various objects, which typically include a television object 512, a cork board object 514, a calendar object 516, a foliage plant object 518, and a poster object (not shown). These objects are all displayed in a selectable manner, and when one is selected, a corresponding function is started. Such a function will be described later.

(1. Introduction Character from Distribution Server)

At predetermined timing or at completely random timing after display of the main screen shown in FIG. 11 is started, a caption object 506 informing the user of appearance of a new character as shown in FIG. 12 is displayed. More specifically, such a message as “somebody has come” is displayed in this object 506. In succession to display of this object 506, as shown in FIG. 13, a new introduction character 520 appears on the main screen in accordance with a pre-set behavior pattern. In other words, user character 510 registered in the game device itself and introduction character 520 are displayed in the same screen. It is noted that FIG. 13 shows an effect that introduction character 520 comes out of television object 512. In addition, such an effect that a door object 519 opens and introduction character 520 enters the living room through the door may also be provided.

Introduction character 520 is a character for introducing a content such as a motion picture registered in distribution server 104 (FIG. 1) to the user of game device 12. For distinction from the user character described above, this character is also hereinafter referred to as “introduction character 520.” Introduction character 520 is displayed in a manner based on character setting set in advance on distribution server 104 side. Then, introduction character 520 initially introduces himself/herself such as his/her name, through a balloon object 522, voice and sound, or the like. FIG. 13 shows a message of first appearance such as “hello, my name is Suzuki” in balloon object 522. In addition, introduction character 520 presents his/her own profile through balloon object 522, voice and sound, or the like. FIG. 14 shows such a profile as “my name is Suzuki . . . ” in a balloon object 523. Namely, CPU 40 outputs information for introducing the introduction character itself in association with the introduction character.

After self-introduction, introduction character 520 tells the user of game device 12 that he/she will introduce a content registered in distribution server 104 through a balloon object 524, voice and sound, or the like. FIG. 15 shows such a video introduction message as “today, I came here to introduce you recommended motion picture” in balloon object 524.

In succession, as shown in FIG. 16, the main screen displays content introduction information (such as a title or a comment) as a caption object 526 and also displays buttons 527 and 528 for asking the user whether to watch the introduced content or not, in a selectable manner. Namely, CPU 40 causes monitor 34 to display a selection screen for accepting an input for selection as to consent to reproduction of a specific introduced content. Thus, at least one of an image representing a substance of the content and voice and sound representing a substance of the content is output as the information for introducing the content.

When the user operates controller 22 to select a “watch” button 527, downloading (typically streaming) from distribution server 104 to game device 12 which will be described later is started and the content is reproduced on monitor 34 connected to game device 12. Details of the content reproduction processing will be described later.

On the other hand, when the user operates controller 22 to select a “not watch” button 528, downloading from distribution server 104 is not started. Then, introduction of the content by introduction character 520 ends.

Thereafter, introduction character 520 stays in the main screen until prescribed timing comes. For example, as shown in FIG. 17, introduction character 520 remains in the living room with user character 510. Here, when the user operates controller 22 to select introduction character 520, the profile of introduction character 520 as shown in FIG. 14 is displayed again.

When the prescribed timing comes subsequently, as shown in FIG. 18, a balloon object 529 indicating that introduction character 520 will leave is displayed and he/she exits from the main screen. FIG. 18 shows a farewell message that “Thank you. I'll be leaving . . . ” in balloon object 529.

Thus, when the content distribution application according to the present embodiment is executed, introduction character 520 introduces the content registered in distribution server 104 based on the character information set in distribution server 104. Namely, each piece of character information is brought in correspondence with the specific content stored in distribution server 104. In addition, distribution server 104 also stores content information (motion picture information) describing the information for introducing each content, and information for introducing the specific content brought in correspondence with is output based on the character information transmitted from game device 12. In the present embodiment, the content information is information that is present independently of the content itself (a substance of a motion picture or a still image), and it includes content information such as a motion picture ID and a title or a comment of the corresponding content. Namely, the content information does not include the content itself.

It is noted that information on a plurality of characters can be set in distribution server 104, and CPU 40 of game device 12 selects as appropriate the set character information such that frequency of appearance of these introduction characters 520 is substantially the same among one another. Namely, in game device 12, the same introduction character 520 may appear a plurality of times. In such a case, the content in balloon objects 522 and 524 as shown in FIGS. 13 and 15 respectively may be changed. Typically, the content of the message shown when certain introduction character 520 appears for the first time in a game space provided by game device 12 is preferably different from the content of the message shown when the same introduction character 520 appears in the game space provided by game device 12 for the second time or later.

For example, when introduction character 520 appears for the second time or later, such a message indicating its second appearance as “I came here again . . . ” may be displayed as the content in balloon object 522 shown in FIG. 13. Further, a video introduction message that “I came here to introduce again the recommended motion picture” may be displayed as the content in balloon object 524 shown in FIG. 15.

(2. Introduction Character from Another Game Device)

In the description above, the processing that introduction character 520 introduces the content based on the information registered in distribution server 104 has been illustrated, however, a content felt interesting by the user of another game device 12 among the watched contents can be introduced to a family member, a friend or the like. It is noted that processing for recommending a substance of the content to a family member, a friend or the like after the content is watched will be described later Processing in game device 12 that has received a message for introducing a content from the user of another game device 12 will be described hereinafter.

When the message for introducing the content from another game device 12 is received as well, the introduction character appears and introduces the substance as described above. More specifically, when the message from another game device 12 is received, CPU 40 of game device 12 has caption object 506 indicating appearance of a new character displayed, as in FIG. 12 above. In succession, subsequent to display of this object 506, an introduction character appears on the main screen in accordance with a pre-set behavior pattern. Here, the introduction character that appears on the main screen is the same as the user character selected to transmit a message from among the user characters that have been registered in another game device 12. Namely, such an effect that a character substantially the same as the user character that appears on certain game device 21 is displayed as the introduction character on the main screen of another game device 12 is provided.

In addition, in indicating transmission of a message from another game device 12, the user of another game device 12 designates a behavior pattern in delivering the message (as will be described later, for example, any of calm, excited, sorrowful, apology, celebration, and birthday). The introduction character corresponding to the user character of another game device 12 that appears operates in accordance with this designated behavior pattern. Namely, CPU 40 changes animation of the introduction character to be shown, based on the behavior pattern which is the information for designating the behavior.

For example, the introduction character from another game device 12 that appears on the main screen takes a seat at the table in the living room together with user character 510, and the substance input by the user of another game device 12 as a message is reproduced. Namely, as in FIG. 11 above, the message input by the user of another game device 12 is displayed in balloon object 524 that is shown proximate to the introduction character. In other words, the user character registered in the game device itself and the introduction character based on the character information received from another game device 12 (the user character of another game device 12) are displayed in the same screen.

In addition, in an example where information on a recommended content is added to this message, the substance of the introduced content as shown in FIG. 16 (such as a title or a comment) is displayed as caption object 526 and buttons 527 and 528 for asking the user whether to watch the introduced content or not are displayed in a selectable manner.

When the user operates controller 22 to select “watch” button 527, downloading (typically streaming) from distribution server 104 to game device 12 is started and the content is reproduced on monitor 34 connected to game device 12. On the other hand, when the user operates controller 22 to select “not watch” button 528, downloading from distribution server 104 is not started.

Thereafter, the introduction character from another game device 12 exits from the main screen.

In addition to the substance described above, the “introduction information” according to the present embodiment may include information such as a message for introducing a content input by the user of another game device 12, all or a part of content information such as a title of the content or duration of a motion picture, or lines included in the character information.

FIG. 19 is a flowchart showing a processing procedure when game device 12 according to the embodiment of the present invention is started up. Each step shown in FIG. 19 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIG. 19, when selection of an icon indicating the content distribution application according to the present embodiment is accepted on the main menu screen, CPU 40 of game device 12 loads the corresponding program into internal main memory 42e or the like and starts the content distribution application. Initially. CPU 40 of game device 12 performs initialization processing (step S1). More specifically, CPU 40 performs processing such as memory check, initialization of an internal flag, establishment of network connection, or the like. In succession, CPU 40 determines whether the present application is started up for the first time or not (step S2). When start-up of the present application is not for the first time (NO in step S2), that is, when the present application has been executed in the past, CPU 40 loads user data stored in flash memory 44 or the like (step S3). Then, the process proceeds to step S6.

On the other hand, when the present application is started up for the first time (YES in step S8), that is, when the present application has never been executed in the past. CPU 40 newly generates user data relating to the present application (step S4). In successive step S5, CPU 40 has the screen for creating the user character displayed and generates the user character in accordance with the user's operation of the screen. CPU 40 causes flash memory 44 or the like to store the information on the generated user character. Then, the process proceeds to step S7. Processing for registering such a user character will be described later.

In step S6, CPU 40 determines whether the user has requested new creation or change of the user character or not. When the user requests new creation or change of the user character (YES in step S6), CPU 40 performs the processing in step S5. When the user does not request new creation or change of the user character (NO in step S6), the process proceeds to step S7.

In step S7, CPU 40 downloads necessary information from connected distribution server 104 to internal main memory 42e or the like More specifically. CPU 40 accesses distribution server 104 and searches for and obtains latest event data registered in distribution server 104. It is noted that the event data includes information for introducing the content by having introduction character 520 described above appear, information or an image displayed in an object on the main screen, information for providing a calendar function which will be described later, or the like.

In succession, CPU 40 executes a main screen subroutine (step S10). The details of processing in this main screen subroutine will be described later.

A character registration function will now be described with reference to FIGS. 20A to 20D and FIGS. 21A to 21F. The content distribution application according to the present embodiment can generate and register various user characters in advance, in accordance with preference of the user. It is expected that such a character is created as an avatar of a user himself/herself who plays game device 12. Therefore, in game device 12 according to the present embodiment, a program for creating a character face (a character face creation application) is installed as an application independent of the present content distribution application.

FIGS. 20A to 20D are diagrams showing exemplary screens provided by the character face creation application according to the present embodiment. Referring to FIG. 20A, in the character face creation application, initially, a screen for having the user select a contour and a hairstyle of the character is displayed. The user selects a desired contour and hairstyle on the screen shown in FIG. 20A. In succession, the user selects each desired part of the face on the screen shown in FIG. 20B. In addition, the user selects a desired physical constitution and height of the character on the screen shown in FIG. 20C. Then, the character as shown in FIG. 20D is generated in accordance with selected items on respective screens shown in FIGS. 20A to 20C.

In game device 12 according to the present embodiment, a prescribed number (such as 10) of characters can be registered. Such registration information is stored in flash memory 44 or the like. Thus, CPU 40 causes flash memory 44 or the like to store the user character information for displaying the user character object on monitor 34.

Typically, such a usage that characters in number corresponding to the number of family members in a family who purchased game device 12 are registered is assumed. The characters thus registered can be used not only in the content distribution application according to the present embodiment but also in other applications installed in game device 12. Thus, as the information is shared among many applications, only basic information such as the face or the physical constitution of the character is registered in the character face creation application shown in FIGS. 20A to 20D. Namely, these characters are registered prior to execution of the flowchart shown in FIG. 19.

In “generate user character” shown in step S5 shown in FIG. 19, the screen as shown in FIGS. 21A to 21F is displayed. It is noted that an item set for the user character shown in FIG. 21F is typically used as an attribute in evaluation after the content is watched which will be described later.

Referring to FIG. 21A, in “generate user character” shown in step S5 in FIG. 19, initially, a screen for having the user select the user character that has already been registered is displayed. The user selects a desired user character, on the screen shown in FIG. 21A. In succession, the user checks the information already registered for the selected user character on the screen shown in FIG. 21B. When a “YES” button is selected after checking the registered information, the screen shown in FIG. 21C is displayed. The user enters a year, month and date of birth of the selected user character, on the screen shown in FIG. 21C. When the user selects the “YES” button after the year, month and date of birth is entered, the screen shown in FIG. 21D is displayed. The user enters a blood type of the selected user character, on the screen shown in FIG. 21D. When the user selects the “YES” button after the blood type is entered, the screen shown in FIG. 21E is displayed. On the screen shown in FIG. 21E, the information set by the user (a profile of the user character) is displayed. When the user selects the “YES” button after the user checks the registered information, a screen including the information of the user character profile, together with an effect that stars are twinkling, which indicates that registration has been completed, is displayed as shown in FIG. 21E.

Referring next to FIGS. 22 and 23, the main screen subroutine (the details in step S10 in FIG. 19) for providing the main screen shown in FIGS. 11 to 18 above will now be described. Each step shown in FIGS. 22 and 23 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12. In FIGS. 22 and 23, a first timer is an element for determining whether a condition for appearance of the introduction character on the main screen is satisfied or not and a second timer is an element for determining whether a condition for exit of the introduction character from the main screen is satisfied or not.

Referring to FIGS. 22 and 23, CPU 40 of game device 12 starts counting by the first timer (step S100). Namely, CPU 40 starts counting of a timer value for determining timing of appearance of the introduction character in such a situation that the introduction character has not yet appeared in the main screen. In succession, CPU 40 reads the registered user object and various objects from flash memory 44 or the like and has the main screen displayed (step S102).

Thereafter, CPU 40 determines whether the second timer has counted up to a second threshold time set in advance or not (step S104). Specifically, CPU 40 determines whether the count value of the second timer of which counting is started after the introduction character appears has reached a predetermined time or not. Namely, CPU 40 determines whether a prescribed condition for disappearance of the introduction character has been satisfied or not. In other words. CPU 40 refers to ROM/RTC 48 to obtain a current time and day, and determines whether the current time point is the timing of exit of the introduction character or not. When the second timer has counted up to the second threshold time (YES in step S104), the process proceeds to step S132. In contrast, when the second timer has not yet counted up to the second threshold time (NO in step S104), the process proceeds to step S106.

In step S106, CPU 40 determines whether the first timer has counted up to a predetermined first threshold time or not. Namely, CPU 40 determines whether a prescribed condition for displaying the introduction character is satisfied or not. In other words, CPU 40 determines whether it is necessary to have a new introduction character appear or not. When the first timer has counted up to the first threshold time (YES in step S106), the process proceeds to step S108. In contrast, when the first timer has not yet counted up to the first threshold time (NO in step S106), the process proceeds to step S140.

In step S108, CPU 40 determines whether all of the registered introduction characters have appeared on the main screen or not, based on the registration information of introduction character 520 included in the event data downloaded at the time of start-up (step S7 in FIG. 19). As described above, a plurality of introduction characters can be registered in distribution server 104. In order to introduce contents by having these introduction characters appear multiple times with similar frequencies on the main screen, in step S108, CPU 40 of game device 12 determines whether there is an introduction character that has not yet appeared or not. When all of the registered introduction characters have appeared on the main screen (YES in step S108), the process proceeds to step S1120n the other hand, when all of the registered introduction characters have not appeared on the main screen (NO in step S108), the process proceeds to step S110.

In step S110, CPU 40 downloads the introduction character information from a specified access target (distribution server 104) based on the registration information of introduction character 520 that has not yet appeared, included in the event data. Thus, CPU 40 obtains the character information brought in correspondence with the specific content from distribution server 104. In a variation of the processing in this step S110, the introduction character information of introduction character 520 that has not yet appeared may be included in the event data (step S7 shown in FIG. 19) obtained in the processing immediately after start-up of the content distribution application according to the present embodiment. Alternatively, the processing in steps S108 and S110 may be performed immediately after reception of the event data (step S7 shown in FIG. 19). In such a case, as the introduction character information obtained in the initialization processing is stored in advance in internal main memory 42e, external main memory 46, or flash memory 44, CPU 40 refers to the memory storing the information and reads the necessary introduction character information in step S110.

On the other hand, in step S112, CPU 40 determines whether or not a message attached with the introduction character information is present among the messages received from another game device 12 through mail server 102, in reception message box 44b of flash memory 44. Namely, CPU 40 determines whether a message for introducing some content is received from the user of another game device 12 or not.

In order to suppress reception of an undesired message such as a spam mail, a sender from which reception of a message is permitted may be limited to specific game device 12. In this case, CPU 40 obtains a sender of a new incoming message (new incoming mail) that has arrived at mail server 102 and determines whether the obtained sender is included in the addresses registered in friend list 44d (FIG. 9) or not. Then, CPU 40 causes reception message box 44b to store only a new message from the sender of which address is registered in friend list 44d and erases other new messages from mail server 102. Alternatively, CPU 40 may cause reception message box 44b to once store all new incoming messages (new incoming mails) that have arrived at mail server 102 and thereafter determine whether the sender of each of the stored new incoming messages is registered in friend list 44d or not, so that only a message of which address is registered in friend list 44d is maintained and other messages are erased. Namely, the received messages may be filtered based on the registration settings in friend list 44d. Thus, CPU 40 effectively receives a message only when the sender of the message is game device 12 registered in advance as the communication destination. Further alternatively, the registration settings in friend list 44d of game device 12 may periodically be transferred to mail server 102 so that mail server 102 itself determines whether or not the sender is registered in friend list 44d of corresponding game device 12 and only a message from the sender of which address is registered is received.

When a message attached with the introduction character information is present (YES in step S112), the process proceeds to step S114. On the other hand, when a message attached with the introduction character information is not present (NO in step S112), the process proceeds to step S140.

In step S114, CPU 40 reads the message of interest and the introduction character information attached with the message from reception message box 44b of flash memory 44. Then, the process proceeds to step S116.

In step S116, CPU 40 downloads the motion picture information of the content corresponding to the motion picture ID included in the downloaded introduction character information or the introduction character information read from reception message box 44b from distribution server 104. It is noted that the motion picture information includes a title, duration of the motion picture, sponsor identification information corresponding to the content, or the like, which will be described later. Thus, CPU 40 obtains the content information of the specific content brought in correspondence with the character information from distribution server 104. Then, the process proceeds to step S118. It is noted that the message may be attached in advance with the motion picture information such as a title, duration of the motion picture, sponsor identification information corresponding to the content, or the like, in addition to the introduction character information. In this case, it is not necessary to download the motion picture information of the content from distribution server 104 in step S116. Namely, in sender game device 12, the motion picture information relating to the content of interest may be added in advance to the message at the time of creation of the message.

In step S118, CPU 40 shows animation in which the introduction character appears. More specifically, CPU 40 shows animation after an expression, an action or the like of the introduction character is determined in accordance with the behavior pattern included in the introduction character information. Typically, CPU 40 provides such an effect that the introduction character appears out of the television as shown in FIG. 13 or the introduction character enters the room through door object 519. Thus, CPU 40 has the character object displayed when the condition for the first timer for displaying the introduction character is satisfied.

In addition, a message can be transmitted in game device 12 itself. In this case as well, the message is stored in reception message box 44b of flash memory 44. In such a case of displaying the message on game device 12 itself, CPU 40 provides such an effect to cause the user character selected to transmit the message to raise hand. Then, when the user character that has raised hand is selected, the substance of the message is displayed.

In successive step S120. CPU 40 has the profile of the introduction character displayed as shown in FIG. 14. More specifically, based on the profile information included in the introduction character information, CPU 40 has the substance thereof displayed. In further successive step S122, CPU 40 has the introduction message displayed as shown in FIG. 15. More specifically, based on lines included in the introduction character information or the introduction message input and transmitted by another game device 12, CPU 40 has the substance thereof displayed.

In subsequent step S124, CPU 40 has the motion picture information displayed as shown in FIG. 16. More specifically, based on the title or the like included in the motion picture information downloaded from distribution server 104, CPU 40 has the substance thereof displayed Namely, CPU 40 causes monitor 34 to display the introduction character (the character object) based on the obtained character information and outputs the information for introducing the specific content in association with the introduction character (the character object) based on the obtained content information.

At the same time, CPU 40 has a button displayed for asking the user whether or not to watch the motion picture specified based on the motion picture information. In successive step S126, CPU 40 determines which of the “watch” button and the “not watch” button has been selected. When the user selected the “watch” button (“watch” in step S126), the process proceeds to step S128. In step S128, CPU 40 executes a motion picture reproduction subroutine. Namely, CPU 40 obtains the specific content from distribution server 104 in response to the user's operation and causes reproduction of the content on monitor 34. The processing details of this motion picture reproduction subroutine will be described later. After this motion picture reproduction subroutine is executed, the process proceeds to step S130.

On the other hand, when the user selected the “not watch” button (“not watch” in step S126), the process proceeds to step S130.

In step S130, CPU 40 starts counting by the second timer. Namely, CPU 40 starts counting of a timer value for determining the timing of exit of the introduction character that has appeared on the main screen. In other words, CPU 40 continues display of the introduction character, but when a condition for the second timer is satisfied, CPU 40 causes the introduction character object that is being displayed to disappear. Then, the process returns to step S102.

In contrast, in step S132, CPU 40 shows animation in which the introduction character exits. More specifically, CPU 40 causes the character to exit in accordance with the behavior pattern included in the introduction character information. In successive step S134, CPU 40 resets the count value of the second timer and stops counting by the second timer. In further successive step S136, CPU 40 resets the count value of the first timer and stops counting by the first timer. Then, the process returns to step S100.

In addition, in step S140, CPU 40 determines whether the poster object on the main screen has been selected or not. When the poster object on the main screen is selected (YES in step S140), CPU 40 resets the second timer value (step S142) and in succession, CPU 40 causes zoomed-in display of the poster content (step S144). CPU 40 has the information registered as recommended in distribution server 104 displayed, based on poster data included in the event data (step S7 in FIG. 19) downloaded at the time of start-up. In further successive step S146, CPU 40 determines whether the zoomed-in poster has been selected or not. When the zoomed-in poster is selected (YES in step S146), CPU 40 executes the motion picture reproduction subroutine in order to reproduce the motion picture brought in correspondence with the displayed poster (step S148). The processing details of this motion picture reproduction subroutine will be described later. After this motion picture reproduction subroutine is executed, the process returns to step S102.

On the other hand, when the zoomed-in poster is not selected (NO in step S146), CPU 40 determines whether a “back to main” button has been selected or not (step S150). When the “back to main” button is selected (YES in step S150), the process returns to step S102. In contrast, when the “back to main” button is not selected (NO in step S150), the processing in step S144 and subsequent steps is repeated.

On the other hand, when the poster object on the main screen is not selected (NO in step S140), CPU 40 determines whether cork board object 514 on the main screen has been selected or not (step S152). When cork board object 514 on the main screen is selected (YES in step S152), CPU 40 resets the second timer value (step S154) and in succession CPU 40 has the reception message box displayed (step S156). In addition, CPU 40 reads the designated message from reception message box 44b of flash memory 44 in response to selection or the like of the message by the user and has the message displayed. Thereafter, the process returns to step S1102.

On the other hand, when cork board object 514 is not selected (NO in step S152), CPU 40 determines whether foliage plant object 518 on the main screen has been selected or not (step S158). When foliage plant object 518 on the main screen is selected (YES in step S158), CPU 40 resets the second timer value (step S160) and in succession executes a sponsor selection screen subroutine (step S162). This sponsor selection screen subroutine is processing for displaying a screen for providing various contents provided by sponsors which will be described later in a selectable manner for each sponsor. After this sponsor selection screen subroutine is executed, the process returns to step S102.

On the other hand, when foliage plant object 518 is not selected (NO in step S158), CPU 40 determines whether calendar object 516 on the main screen has been selected or not (step S164). When calendar object 516 on the main screen is selected (YES in step S164), CPU 40 executes a calendar subroutine (step S166). According to this calendar subroutine, a content that is being distributed or will be distributed is displayed in a form of a calendar, or a literary calendar or the like is displayed in correspondence with each date. After this calendar subroutine is executed, the process returns to step S102.

On the other hand, when calendar object 516 on the main screen is not selected (NO in step S164), CPU 40 determines whether television object 512 on the main screen has been selected or not (step S168). When television object 512 on the main screen is selected (YES in step S168), CPU 40 executes a content search subroutine (step S1170). In this content search subroutine, a search function which will be described later is performed, or a list of contents such as “new arrival”, “high-satisfaction”, “recommended”, and “favorite” is displayed in a selectable manner. In addition, the sponsor selection screen subroutine which will be described later may also be executed from the content search subroutine. After this content search subroutine is executed, the process returns to step S102.

On the other hand, when television object 512 on the main screen is not selected (NO in step S168), CPU 40 determines whether an “end” button has been selected or not (step S172). When the “end” button is not selected (NO in step S172), the process returns to step S102. In contrast, when the “end” button is selected (YES in step S172), execution of the main screen subroutine ends and the process returns to the parent process.

In the flowchart described above, the processing for determining the timing of appearance of the introduction character based on the first timer and the timing of exit of the introduction character based on the second timer has been illustrated, however, appearance/exit of the introduction character may be determined based on other various conditions. For example, some kind of user's operation may be set as a condition for appearance. In such a case, as it can be determined that the user is definitely present in front of monitor 34, the content can reliably be introduced to the user. Alternatively, a fact that game device 12 belongs to a specific region may be set as a condition for appearance. In such a case, a content aimed at that specific region can be introduced in a pinpoint manner.

Data exchange in distribution system 100 according to the present embodiment will now be described.

Referring to FIG. 24, processing when each of two game devices 12-1 and 12-2 executes the content distribution application and a message introducing a content from one game device 12-2 to the other game device 12-1 is further transmitted will be described by way of example of data exchange in distribution system 100 according to the present embodiment.

Initially, CPU 40 of game device 12-2 starts up a program relating to the content distribution application in response to the user's operation (sequence SQ2). In succession, CPU 40 of game device 12-2 issues a query to distribution server 104 (sequence SQ4). In response to this query, distribution server 104 transmits event data or the like to game device 12-2 (sequence SQ6).

On the other hand, CPU 40 of game device 12-1 also starts up a program relating to the content distribution application in response to the user's operation (sequence SQ12). In succession, CPU 40 of game device 12-1 issues a query to distribution server 104 (sequence SQ14). In response to this query, distribution server 104 transmits event data or the like to game device 12-1 (sequence SQ16).

CPU 40 of game device 12-2 transmits an introduction character information request to distribution server 104 at prescribed timing (the timing of counting up to the first threshold time by the first timer shown in FIGS. 22 and 23) (sequence SQ20). In response to this introduction character information request, distribution server 104 transmits the introduction character information to game device 12-2 (sequence SQ22). In addition, CPU 40 of game device 12-2 transmits a motion picture information request to distribution server 104 (sequence SQ24). In response to this motion picture information request, distribution server 104 transmits the motion picture information to came device 12-2 (sequence SQ26).

Receiving the introduction character information and the motion picture information, CPU 40 of game device 12-2 has the introduction character appear on the main screen to introduce the content prepared in distribution server 104 (sequence SQ28).

Similarly, CPU 40 of game device 12-1 transmits an introduction character information request to distribution server 104 at prescribed timing (the timing of counting up to the first threshold time by the first timer shown in FIGS. 22 and 23) (sequence SQ50). In response to this introduction character information request, distribution server 104 transmits the introduction character information to game device 12-1 (sequence SQ52). In addition, CPU 40 of game device 12-1 transmits a motion picture information request to distribution server 104 (sequence SQ54). In response to this motion picture information request, distribution server 104 transmits the motion picture information to game device 12-1 (sequence SQ56).

Receiving the introduction character information and the motion picture information, CPU 40 of game device 12-1 has the introduction character appear on the main screen to introduce the content prepared in distribution server 104 (sequence SQ58).

When the user who watched introduction of the content on game device 12-2 selects “watch” icon 527, CPU 40 of game device 12-2 transmits a distribution request including the motion picture ID to distribution server 104 (sequence SQ30). In response to this distribution request, distribution server 104 starts distribution (typically, streaming-play) of the content such as the designated motion picture stored therein to game device 12-2 (sequence SQ32). CPU 40 of game device 12-2 generates this distributed motion picture (sequence SQ34).

After reproduction of this motion picture ends, CPU 40 of game device 12-2 accepts evaluation on the motion picture from the user (sequence SQ36). As will be described later, the content distribution application according to the present embodiment is configured to accept evaluation from the user without exception after the motion picture distributed from distribution server 104 is reproduced. Namely, CPU 40 of game device 12-2 does not perform subsequent processing until the user inputs some evaluation after reproduction of the motion picture.

When the user inputs evaluation of the motion picture, CPU 40 of game device 12-2 transmits the input evaluation to distribution server 104 (sequence SQ38).

In succession, it is assumed that the user of game device 12-2 performs an operation to select a message screen and CPU 40 of game device 12-2 creates a message directed to game device 12-1 (sequence SQ40). Thereafter, CPU 40 of game device 12-2 transmits the created message to mail server 102 (sequence SQ42). Mail server 102 transmits the message received from game device 12-2 to destination game device 12-1 (sequence SQ 44).

When CPU 40 of game device 12-1 determines that the introduction character information is attached to the message received from mail server 102 at prescribed timing, it transmits the motion picture information request to distribution server 104 based on the attached introduction character information (sequence SQ60). In response to this motion picture information request, distribution server 104 transmits the motion picture information to game device 12-1 (sequence SQ62).

Receiving the motion picture information, CPU 40 of game device 12-1 has the introduction character appear on the main screen to introduce the content that the user of game device 12-2 once watched and found interesting, based on the introduction character information attached to the message and the received motion picture information (sequence SQ64).

In the sequence diagram above, a configuration to download the introduction character information and the motion picture information from distribution server 104 has been illustrated, however, a source of supply of various contents (for example, a sponsor) may directly distribute an e-mail, a message or the like to each game, device 12.

In addition, in the sequence diagram above, a configuration in which a message from certain game device 12 to another game device 12 is transmitted via mail server 102 has been illustrated, however, sender game device 12 may upload the introduction character information, the motion picture information or the like to distribution server 104 so that receiver game device 12 can download the message from distribution server 104. Alternatively, instead of a manner of using the network, the introduction character information, the motion picture information or the like may be exchanged between game devices 12 or between game device 12 and the server through a storage medium such as a portable semiconductor memory or an optical disc.

Alternatively, the introduction character information, the motion picture information or the like may be transmitted as attached with a message (e-mail) or it may directly be described in a text of the message. Alternatively, content data itself may directly be transmitted instead of the motion picture information for identifying the content.

An exemplary structure of data exchanged in the sequence diagram shown in FIG. 24 above will now be described with reference to FIGS. 25A to 25C. FIG. 25A shows exemplary items included in the event data. FIG. 25B shows exemplary items included in the introduction character information, and FIG. 25C shows exemplary items included in the motion picture information. It is noted that such information is typically described in a markup language such as XML (extensible markup language). This is because ability to expand a system can be enhanced by freely defining a tag (an attribute provided to a character surrounded by < > and </>).

Referring to FIG. 25A, the event data typically includes (A1) year, month and day of interest, (A2) a poster ID, (A3) a signature color, and (A4) introduction character information. (A1) year, month and day of interest indicates a date on which each piece of event data is to be displayed so that the content displayed on the poster on the main screen is daily changed. (A2) poster ID is identification information for uniquely specifying the content to be displayed on the poster in distribution server 104. (A3) signature color indicates a signature color on that day used in a background of the poster or the like. (A4) introduction character information indicates the introduction character that appears on the main screen. More specifically, (A4) introduction character information includes (A4-1) the order of display and (A4-2) an introduction character ID for each of (normally a plurality of) introduction characters that appears on that day. Regarding (A4-1) the order of display, typically, the introduction characters are numbered such that an introduction character registered most recently is displayed first. In addition, (A4-2) introduction character ID is the identification information for uniquely specifying the introduction character in distribution server 104.

Referring to FIG. 25B, the introduction character information typically includes (B1) an introduction character ID, (B2) an apparel attribute, (B3) a jacket color attribute, (B4) a trousers color attribute, (B5) a behavior pattern, (B6) a profile, (B7) a list of messages, and (B8) a motion picture ID.

(B1) introduction character ID is the identification information for specifying the introduction character information, and it is brought in correspondence with (A4-2) introduction character ID of the event data shown in FIG. 25A. (B2) apparel attribute is attribute information for defining apparel of the introduction character. (B3) jacket color attribute and (B4) trousers color attribute are attribute information for defining a color of the jacket and the trousers of the introduction character. (B5) behavior pattern indicates an expression, an action or the like of the introduction character when it appears or exits. In (B6) profile, comments and the like displayed in balloon object 523 in FIG. 14 are stored as the profile of the introduction character. In (B7) list of messages, comments and the like displayed in a balloon for the introduction character are stored. Namely, comments and the like displayed in balloon object 524 shown in FIG. 15 are stored. More specifically, (B7) list of messages includes (B7-1) an order, (B7-2) messages and (B7-3) an expression, in number corresponding to the number of messages. The order of messages to be displayed in correspondence with the introduction character is allocated to (B7-1) order. In (B7-2) messages, contents to be displayed are stored, and in (B7-3) expression, an expression of the introduction character in displaying the corresponding messages is stored, (B8) motion picture ID is the identification information for uniquely specifying the content (motion picture) of interest in distribution server 104. When the content is introduced with voice and sound, character strings stored in (B7-2) lines are input for voice synthesis processing so that synthesized voice is output.

Referring to FIG. 25C, the motion picture information typically includes (C1) a motion picture ID, (C2) a title, (C3) duration of motion picture, (C4) time and day of start of availability, (C5) time and day of end of availability, (C6) a sponsor ID, (C7) a portable terminal distribution flag, (C8) a motion picture ID for portable terminal, and (C9) a staff list ID.

(C1) motion picture ID is brought in correspondence with (B8) motion picture ID of the introduction character information. (C2) title stores the title of the motion picture of interest, and (C3) duration of motion picture stores duration of the motion picture of interest. (C4) time and day of start of availability and (C5) time and day of end of availability store time and date of release of the motion picture of interest and the time and date of end of release of the motion picture, respectively.

As will be described later, the content (motion picture) distributed from distribution server 104 is basically provided by any sponsor, and (C6) sponsor ID stores the identification information for specifying the sponsor providing the motion picture of interest.

In addition, as will be described later, a part of the content distributed from distribution server 104 to game device 12 can be transferred to a portable terminal which will be described later. Accordingly, (C7) portable terminal distribution flag stores a flag value indicating permission/prohibition of transfer to such a portable terminal. In addition, (C8) motion picture ID for portable terminal stores the identification information for indicating the motion picture having image quality optimal for the portable terminal, corresponding to the motion picture of interest.

In addition, (C9) staff list ID stores the identification information for specifying production staff of the content (motion picture) of interest. As will be described later, staff credits are displayed based on the identification information stored in (C9) staff list ID.

It is noted that a method of transmitting information as to which of prepared patterns is adopted as a part such as an eye or a nose constituting the face of the introduction character may be adopted as a method of expressing a face or the like of the introduction character. Alternatively, instead of such a method, bit map data or the like expressing a face of the introduction character may be transmitted.

In addition, the introduction character information shown in FIG. 25A above indicates a method of designating which behavior pattern should be used among behavior patterns prepared in advance, as a method of expressing animation of the introduction character. Instead of such a method, information for chronologically specifying actions of the introduction character (for example, a coordinate position or the like of a character at each time) may be designated.

Overview of the motion picture reproduction subroutine shown in step S128 in FIG. 22 and step S148 in FIG. 23 will now be described.

Initially, when the motion picture reproduction subroutine is started, in parallel to downloading of the content (motion picture) from distribution server 104, the content is reproduced and the video is displayed on monitor 34. Typically, as described above, streaming-play in which downloading and reproduction are performed in parallel is preferred. Depending on a network environment or the like, however, all or some of content data may once be downloaded to game device 12 and thereafter the content may be reproduced. FIG. 26 shows an exemplary screen in which the content (motion picture) is reproduced.

As shown in FIG. 26, during reproduction of the content, an icon or the like for controlling reproduction is displayed. Specifically, a play/stop icon 530s, a pause icon 530p, a fast forward/rewind icon 530r, or the like is displayed in a lower left portion of the screen. When the user operates controller 22 to select play/stop icon 530s, reproduction of the content is started or stopped. Play/stop icon 530s accepts stop of play of the content while the content is being played, and it accepts start of play of the content while reproduction of the content is stopped. In addition, when pause icon 530p is selected, play of the content is temporarily stopped. Moreover, when fast forward/rewind icon 530r is selected, fast forward or rewinding of the content being played is performed, depending on a selected position.

Thereafter, when reproduction of the content ends, basically, the screen automatically makes transition to a user evaluation input screen. It is noted that end of the content encompasses interruption or stop of play indicated at any timing by the user, in addition to completion of reproduction of the entire content.

Referring to FIG. 27, an exemplary screen for user evaluation input will be described. In the user evaluation input screen, user characters 510a to 510c registered in advance through the operation shown in FIGS. 21A to 21F are displayed and guest user characters 512a and 512b are also simultaneously displayed. In this user evaluation screen, for example, a “good” area 532, a “fair” area 534 and a “not so good” area 536 representing examples of an evaluation item area are provided as evaluation items, in order to enter evaluation in three levels. Each user operates controller 22 to move the user character representing the user himself/herself to a position indicating evaluation that the user made after watching the content. Thus, user evaluation is voted. The example shown in FIG. 27 shows such a state that a cursor 538 like a finger moves user character 510a to “good” area 532. It is noted that cursor 538 may show the number of users that have already voted (in the example in FIG. 27, “1”).

Specific processing for evaluation input is as follows. Specifically, CPU 40 of game device 12 sets a determination area in correspondence with each area 532, 534, 536 displayed on the screen such that they are not overlapped with one another. Then, CPU 40 determines whether the user character is located in each determination area or not, and if the user character is located in the determination area, CPU 40 determines which user character is present, every prescribed cycle. Namely, CPU 40 periodically determines which user character is disposed for each determination area. Therefore, even when a plurality of user characters are arranged in the same area or even when the user characters are arranged in a plurality of different areas respectively, in any case, CPU 40 can simultaneously accept evaluation inputs. Therefore, even when a plurality of users simultaneously watch the content and thereafter the users operate and move the user characters corresponding to respective users to the areas corresponding to evaluations made by themselves, CPU 40 can simultaneously accept respective users' evaluations. Namely, when the plurality of user characters are moved to positions in respective areas corresponding to a plurality of evaluation levels, CPU 40 determines that evaluation of the reproduced content by a plurality of persons has been input.

After evaluation inputs by a prescribed number of user characters are completed, an “enter” button 540 is activated to be in a selectable state. Typically, at the time point when evaluation input by at least one user character is completed, “enter” button 540 may be activated. On the other hand, “enter” button 540 may remain inactive until evaluation inputs by more user characters or all registered user characters are completed.

In the content distribution application according to the present embodiment, once evaluation input by the user character is provided, that evaluation cannot be changed until a prescribed period of time elapses (typically, until a month next to the month in which evaluation was input comes).

In the present embodiment, whether user's evaluation has been made or not is determined based on the position of the user character in the evaluation item area in the user evaluation screen, that is, based on whether the user character is located within the evaluation item area or not. The present embodiment, however, is not limited as such, and for example, evaluation can be made by providing a radio button for each evaluation item and then turning on/off the radio button. Alternatively, a numeric value input type for entering a numeric value or a description type for inputting characters by operating controller 22 may also be adopted for making evaluation. In addition, for each evaluation item, the number of persons that should make evaluation may also be designated.

In addition, regarding the guest user character, the maximum number of persons that are allowed to input evaluation may preferably be set in advance (for example, ten at the maximum), from a point of view of prevention of abuse of an evaluation result.

Thereafter, when “enter” button 540 is selected, a state of evaluation input by the user character at selected timing is stored in flash memory 44 or the like. Then, a sub menu screen as shown in FIG. 28 is displayed on monitor 34.

The sub menu screen shown in FIG. 28 shows a watch again icon 544, a message creation icon 546, a portable terminal transfer icon 548, a favorite icon 550, a credit icon 552, and a “next” button 542, in a selectable manner.

When the user operates controller 22 to select “next” button 542, CPU 40 of game device 12 transmits user information (such as age, sex, blood type, or the like) set for the user character to distribution server 104, together with evaluation result shown in FIG. 27. In succession, CPU 40 causes flash memory 44 or the like to store a vote history transmitted to distribution server 104. The vote history stored in flash memory 44 is used for avoiding redundant evaluation inputs made when the user watched again the content that he/she had watched in the past. Detailed processing will be described later.

After such evaluation input and evaluation transmission are processed, in case that the watched content is brought in correspondence with any sponsor, the sponsor selection screen subroutine which will be described later is executed.

On the other hand, when the user operates controller 22 to select watch again icon 544, CPU 40 of game device 12 causes display again of the screen shown in FIG. 26 and accepts again reproduction of the content.

On the other hand, when the user operates controller 22 to select message creation icon 546, CPU 40 of game device 12 executes a message creation subroutine which will be described later.

Alternatively, when the user operates controller 22 to select portable terminal transfer icon 548, CPU 40 of game device 12 executes a portable terminal transfer subroutine which will be described later. If transfer of the watched content to the portable terminal is not permitted, portable terminal transfer icon 548 may be displayed in an inactive state so that it cannot be selected, or portable terminal transfer icon 548 may not be displayed.

Alternatively, when the user operates controller 22 to select favorite icon 550, CPU 40 of game device 12 adds the motion picture ID for identifying the watched content to a favorite folder (not shown) or the like. This favorite folder stores information on a link, for example, to a content selected by the user, and when the user wishes to watch the content again that he/she had once watched, the content can quickly be reproduced with a simplified selection operation.

Alternatively, when the user operates controller 22 to select credit icon 552, CPU 40 of game device 12 downloads corresponding motion picture staff list data from distribution server 104 based on the staff list ID (see FIG. 25C) included in the motion picture information corresponding to the watched content. Then, CPU 40 has the credit list specifying the production staff or the like displayed, based on the downloaded data.

Referring next to FIG. 29, the motion picture reproduction subroutine providing the screen relating to motion picture reproduction shown in FIGS. 26 to 28 above (the details in step S128 in FIG. 22 and step S148 in FIG. 23) will now be described. Each step shown in FIG. 29 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIG. 29, initially, CPU 40 of game device 12 accesses the content corresponding to the motion picture ID included in the designated motion picture information among the contents uploaded to distribution server 104 (step S200). Namely, CPU 40 requests transmission of the content designated based on the motion picture ID. In succession, as distribution of the content from distribution server 104 is started, CPU 40 carries out streaming-play of the received content (step S202).

When reproduction of the content ends, CPU 40 determines whether the vote history brought in correspondence with the corresponding motion picture ID has been stored in flash memory 44 or not (step S204). Namely, CPU 40 determines whether evaluation of the same content has already been input or not. When the vote history brought in correspondence with the corresponding motion picture ID is not stored in flash memory 44 (NO in step S204), the process proceeds to step S212.

On the other hand, when the vote history brought in correspondence with the corresponding motion picture ID is stored in flash memory 44 (YES in step S204), CPU 40 determines whether the present reproduction of the content has been carried out based on selection of watch again icon 544 or not (FIG. 28) (step S206). When the present reproduction of the content has been carried out based on selection of watch again icon 544 (YES in step S206), the process proceeds to step S216. In this case, evaluation of the content must have already been input after the content was watched for the first time. Therefore, CPU 40 does not request input of evaluation when the present reproduction of the content ends.

In contrast, when the present reproduction of the content is not based on selection of watch again icon 544 (NO in step S206), CPU 40 determines whether evaluation by all registered user characters has already been input or not (step S208). When evaluation by all registered user characters has not yet been input (NO in step S208), the process proceeds to step S212. In this case (NO in step S208), there is a user character that has not yet input evaluation. Therefore, in order to have that user character make evaluation, input of evaluation is requested. Accordingly, in an example where a plurality of user characters are registered, when evaluation input by some user characters has been made whereas evaluation by remaining user characters has not been made, the user evaluation input screen (FIG. 27) is displayed again also after reproduction of the same content for the second time or later. In this user evaluation input screen displayed again, evaluation by the user character that had already input evaluation may also be made again, however, from a point of view of collecting more accurate statistic information, evaluation input by the same user character for the second time or later is preferably handled as invalid data.

In contrast, when evaluation by all registered user characters has been input (YES in step S208), the process proceeds to step S210.

In step S210, CPU 40 determines whether or not the day of storage in the vote history is a day in a previous month or before. Namely, CPU 40 determines whether or not a month next to the month including the day of vote of evaluation of the same content has come. When the date of vote in the stored vote history is in a previous month or before (YES in step S210), CPU 40 determines that new evaluation input is acceptable. Then, the process proceeds to step S212.

In contrast, when the date of vote in the stored vote history is not in a previous month or before (NO in step S210), CPU 40 determines that a new evaluation input is unacceptable. Then, the process proceeds to step S216.

In the above, a condition for displaying the user evaluation input screen even though the vote history has already been stored was described in connection with the processing in steps S206, S208 and S210. If the vote history has already been stored, that is, if the vote history has already been stored in step S204 (YES in step S204), however, the process may alternatively proceed to step S216.

In addition, regarding a condition for displaying the user evaluation input screen even when the vote history has already been stored, determination may be made based on any one condition in steps S206, S208 and S210, or determination may be made based on combination of conditions as in the present embodiment.

In addition, instead of the condition as to whether evaluation by all registered user characters has been input or not shown in step S208 described above, determination may be made based on such a condition that evaluation by a prescribed number of characters among the registered user characters has already been input.

In step S212, CPU 40 causes monitor 34 to display the user evaluation input screen (FIG. 27) and accepts evaluation of the content. When evaluation by at least one user character is input, CPU 40 sets “enter” button 540 (FIG. 27) to a state that can be pointed, that is, activates “enter” button 540. On the other hand, when evaluation input by the user character has not yet been provided, CPU 40 sets “enter” button 540 (FIG. 27) to a state that cannot be pointed.

In successive step S214, CPU 40 determines whether “enter” button 540 has been selected or not. When “enter” button 540 is selected (YES in step S214), the process proceeds to step S216. On the other hand, when “enter” button 540 is not selected (NO in step S214), the processing in step S212 and subsequent step is repeated.

In step S216, CPU 40 has the sub menu screen (FIG. 28) relating to motion picture reproduction displayed. In successive step S218, CPU 40 determines whether “next” button 542 (FIG. 28) has been selected or not. When “next” button 542 (FIG. 28) is selected (YES in step S218), the process proceeds to step S220. On the other hand, when “next” button 542 (FIG. 28) is not selected (NO in step S218), the process proceeds to step S228.

In step S220, CPU 40 transmits the input evaluation result and the evaluation data including the user information (such as age, sex, blood type, or the like) set for the user character to distribution server 104. In successive step S222, CPU 40 causes flash memory 44 to store the vote history transmitted to distribution server 104. Here, CPU 40 causes the date of transmission of the evaluation data to be stored as the day of vote in the vote history. The day of vote is used for determination processing in step S210 or the like described above.

In further successive step S224, CPU 40 determines whether the sponsor is brought in correspondence with the reproduced content or not. More specifically, CPU 40 makes determination based on a flag value of the sponsor ID (see FIG. 25C) included in the motion picture information corresponding to the reproduced content. When the sponsor is brought in correspondence with the reproduced content (YES in step S224), the process proceeds to step S226. On the other hand, when the sponsor is not brought in correspondence with the reproduced content (NO in step S224), the process returns to the main screen subroutine shown in FIGS. 22 and 23. When the reproduced content is a content selected in a sponsor content list screen (see FIG. 33C) which will be described later, the process returns to the sponsor selection screen subroutine shown in FIG. 34.

In step S226, CPU 40 executes the sponsor selection screen subroutine. After the sponsor selection screen subroutine is executed, the process returns to the main screen subroutine shown in FIGS. 22 and 23.

In contrast, in step S228, CPU 40 determines whether watch again icon 544 (FIG. 28) has been selected or not. When watch again icon 544 is selected (YES in step S228), the processing in step S200 is repeated. In contrast when watch again icon 544 is not selected (NO in step S228), the process proceeds to step S230.

In step S230, CPU 40 determines whether message creation icon 546 (FIG. 28) has been selected or not. When message creation icon 546 is selected (YES in step S230), CPU 40 executes the message creation subroutine (step S232). Thereafter, the process returns to step S216. In contrast, when message creation icon 546 is not selected (NO in step S230), the process proceeds to step S234.

In step S234, CPU 40 determines whether portable terminal transfer icon 548 (FIG. 28) has been selected or not. When portable terminal transfer icon 548 is selected (YES in step S234), CPU 40 executes the portable terminal transfer subroutine (step S236). Thereafter, the process returns to step S216. In contrast, when portable terminal transfer icon 548 is not selected (NO in step S234), the process proceeds to step S238.

In step S238; CPU 40 determines whether favorite icon 550 (FIG. 28) has been selected or not. When favorite icon 550 is selected (YES in step S238), CPU 40 adds the motion picture ID for identifying the reproduced content to the favorite folder (step S240). Thereafter, the process returns to step S216. In contrast, when favorite icon 550 is not selected (NO in step S238), the process proceeds to step S242.

In step S242, CPU 40 determines whether credit icon 552 (FIG. 28) has been selected or not. When credit icon 552 is selected (YES In step S242), CPU 40 downloads the corresponding motion picture staff list data from distribution server 104 and has the credit list specifying the production staff or the like displayed (step S244). Thereafter, the process returns to step S216. On the other hand, when credit icon 552 is not selected (NO in step S242), the process returns to step S216.

An exemplary stricture of data exchanged in the flowchart shown in FIG. 29 above will now be described with reference to FIGS. 30A and 30B. FIG. 30A shows exemplary items included in the evaluation data and FIG. 30B shows exemplary items included in the vote history. It is noted that such information is typically described in a markup language such as XML.

Referring to FIG. 30A, the evaluation data typically includes (D1) a motion picture ID, (D2) a time period of watching, (D3) time and day of start of watching, (D4) time and day of end of watching, (D5) selected image quality, (D6) a link source ID, (D7) link source auxiliary information, (D8) a game device number, (D9) an equipment address, (D10) region information, (D11) the number of times of transfer, (D12) the number of times of repeated watch, (D13) the number of times of recommendation (D14) a sponsor ID, and (D15) evaluation result.

(D1) motion picture ID is the identification information for uniquely specifying the content (motion picture) of interest in distribution server 104. (D2) time period of watching refers to a period of time during which the content (motion picture) of interest was watched on game device 12. (D3) time and day of start of watching and (D4) time and day of end of watching store a time stamp value at which watching of the content (motion picture) was started on game device 12 and a time stamp value at which watching ended, respectively. (D5) selected image quality stores image quality of the content (motion picture) watched on game device 12.

(D6) link source ID stores a link address (a link source) that was present prior to access to the content (motion picture) and (D7) link source auxiliary information stores information other than an address relating to the link source.

(D8) game device number stores specific information for identifying game device 12 and (D9) equipment address stores a network address or a MAC address of game device 12.

(D10) region information stores information on a region (for example, a prefecture name) where game device 12 is located. It is noted that the region information is set in advance for game device 12 through a user's operation or the like.

(D11) the number of times of transfer stores the number of times that indicates how many times the content of interest was transferred to the portable terminal which will be described later. (D12) the number of times of repeated watch stores how many times watching of the content of interest was repeated. (D13) the number of times of recommendation stores the number of times of transmission of a message recommending the content of interest. Instead of such a configuration as transmitting a specific number of times of transmission of a message recommending the content to a family member, a friend or the like, information (typically, a flag) indicating whether a message recommending the content to a family member, a friend or the like has been transmitted or not may be employed.

(D14) sponsor ID stores the identification information for specifying the sponsor when the sponsor is brought in correspondence with the content of interest.

(D15) evaluation result stores the evaluation content input for each user character, the user information (such as age, sex, blood type, or the like) set for the user character, and the like. Specifically, (D15) evaluation result includes, for each user character, (D15-1) a user character ID, (D15-2) age, (D15-3) sex, (D15-4) blood type, and (D15-5) evaluation. (D15-1) user character ID stores the identification information for specifying the user character registered in game device 12, and (D15-2) age, (D15-3) sex and (D15-4) blood type store the information set on the setting screen shown in FIG. 21D above. (D15-5) evaluation stores evaluation set on the user evaluation input screen shown in FIG. 27.

Referring to FIG. 30B, the vote history includes at least (E1) a motion picture ID, (E2) time and day of storage, (E3) a sponsor ID, and (E4) an evaluation result. In addition, (E4) evaluation result includes (E4-1) a user character ID and (E4-2) evaluation. Details of each item included in the vote history are substantially the same as the details of the corresponding item included in the evaluation data shown in FIG. 30A. Therefore, detailed description thereof will not be repeated.

Referring next to FIG. 31, exemplary summarizing processing in distribution server 104 to which the evaluation data is transmitted from game device 12 will be described.

Distribution server 104 according to the present embodiment calculates a popularity score indicating how popular the content (motion picture) is, based on the evaluation data for the most recent X days, by way of example of the summarizing processing thereof, and calculates popularity ranking in a group of contents provided by distribution server 104. The popularity score and the popularity ranking thus calculated are in principle informed of the sponsor providing the content. In addition, a manner of display of the provided contents may be varied, depending on the calculated popularity score and popularity ranking.

The popularity score is calculated, for example, based on a value obtained by multiplying a score of evaluation (any of “good”, “fair” and “not so good) by a coefficient corresponding to the number of persons who made the vote and the number of times of transmission of a message recommending the content to a family member, a friend or the like (the number of times of recommendation).

FIG. 31 is a block diagram showing a schematic configuration for providing the summarizing processing in distribution server 104. Distribution server 104 shown in FIG. 31 includes, as its control structure, a sort and distribution unit 140, an evaluation data storage unit 142, an extraction unit 144, coefficient multiplication units 146a to 146g, a sum unit 148, and a time counting unit 149.

Sort and distribution unit 140 sorts and distributes evaluation data 130 transmitted from game device 12 based on the motion picture ID. Namely, a plurality of evaluation data storage units 142 are prepared in correspondence with the motion picture IDs assigned to the provided contents. Then, sort and distribution unit 140 that has received evaluation data 130 from game device 12 refers to the motion picture ID included in the received evaluation data and causes corresponding evaluation data storage unit 142 to store evaluation data 130.

Extraction unit 144 refers to evaluation data 130 included in each evaluation data storage unit 142 and outputs the number of pieces of evaluation data that satisfies each condition as statistic information. Namely, extraction unit 144 outputs the statistic information separately for each motion picture ID. More specifically, extraction unit 144 outputs the number of user characters that made evaluation as “good” in the evaluation data stored in certain evaluation data storage unit 142 to coefficient multiplication unit 146a. Namely, extraction unit 144 refers to the value of (D15-5) evaluation in (D15) evaluation result included in the evaluation data shown in FIG. 30A and adds up the number of user characters that made evaluation as “good”. Similarly, extraction unit 144 outputs the number of user characters that made evaluation as “fair” in the evaluation data stored in certain evaluation data storage unit 142 to coefficient multiplication unit 146b and outputs the number of user characters made evaluation as “not so good” therein to coefficient multiplication unit 146c.

In addition, extraction unit 144 outputs the number of guest characters that made evaluation as “good” in the evaluation data stored in certain evaluation data storage unit 142 to coefficient multiplication unit 146d. Similarly, extraction unit 144 outputs the number of guest characters that made evaluation as “fair” in the evaluation data stored in certain evaluation data storage unit 142 to coefficient multiplication unit 146e and outputs the number of user characters that made evaluation as “not so good” in the evaluation data to coefficient multiplication unit 146f.

Further, extraction unit 144 adds up the “number of times of recommendation” of each piece of evaluation data stored in certain evaluation data storage unit 142 to output the result to coefficient multiplication unit 146g.

Coefficient multiplication units 146a to 146g output values obtained by multiplying values received from extraction unit 144 by respective corresponding coefficients A to G to sum unit 148.

Sum unit 148 calculates the sum of values received from coefficient multiplication units 146a to 146g and outputs the result of sum as the popularity score. Namely, the popularity score output from sum unit 148 is shown as a value expressed in the following equation.

Popularity score=(the number of user characters who made evaluation as “good”×coefficient A)+(the number of user characters who made evaluation as “fair”×coefficient B)+(the number of user characters who made evaluation as “not so good”×coefficient C)+(the number of guest characters who made evaluation as “good”×coefficient D)+(the number of guest characters who made evaluation as “fair”×coefficient E)+(the number of guest characters who made evaluation as “not so good”×coefficient F)+(the number of times of recommendation(the total number)×coefficient G)

(1. First Variation of Summarizing Processing)

In the summarizing processing described above, a configuration in which the popularity score for each content is calculated based on the number of user characters or the like that made evaluation has been illustrated, however, an average of evaluations voted by user characters may be calculated.

Regarding more specific processing, for example, in a case where evaluation in three levels of “good”, “fair” and “not so good” is adopted, “5” points, “3” points and “1” point are allocated to respective evaluation levels. Then, the total points are calculated by multiplying the number of user characters that input evaluation by the corresponding points and then the total points are divided by the total number of user characters that input evaluation. Thus, an average point of each content for all user characters can be calculated Namely, the average point of a certain content for all user characters can be calculated in the following equation.

Average point={(the number of user characters who made evaluation as “good”×5 points)+(the number of user characters who made evaluation as “fair”×3 points)+(the number of user characters who made evaluation as “not so good”×1 point)}/(the number of user characters who made evaluation as “good”+the number of user characters who made evaluation as “fair”+the number of user characters who made evaluation as “not so good”)

(2. Second Variation of Summarizing Processing)

In the summarizing processing described above, a configuration in which the popularity score for each content for most recent period of X days is calculated based on the number of user characters or the like that made evaluation has been illustrated, however, the popularity score during each period may further be averaged. Namely, in addition to calculation of the popularity score of each content every X days, an average of the popularity score for a longer period of time (for example, for one month, for one year or the like) may be calculated.

Alternatively, the first variation and the second variation described above may be combined with each other.

It is noted that the processing described above is merely by way of example of the summarizing processing, and various types of statistic processing can naturally be performed by using a value of each item included in the evaluation data transmitted from game device 12.

Referring next to FIG. 32, a directory structure in which contents and the like are arranged in distribution server 104 will be described.

Referring to FIG. 32, a storage area of distribution server 104 according to the present embodiment stores not only event data 120 downloaded at the time of start-up of game device 12 but also content main bodies 122a, 122b, . . . . In addition, motion picture information 123a, 123b, . . . describing a substance of each content is stored in correspondence with each of content main bodies 122a, 122b . . . . It is noted that a thumbnail image for displaying an icon for selecting a content main body in game device 12 may be prepared for each of content main bodies 122a, 122b, . . . . Alternatively, instead of a thumbnail image for displaying an icon for selection, a list including only characters may be prepared, or an icon image provided in advance for selecting each content may be prepared.

As described above, some or all of contents distributed by distribution system 100 according to the present embodiment are brought in correspondence with (basically a single) sponsor. Namely, some or all of the distributed contents are provided by any sponsor. Which sponsor is brought in correspondence with each content is described by storing the sponsor ID in content motion picture information 123a, 123b, . . . .

In distribution system 100 according to the present embodiment, contents produced or provided independently by (typically) a plurality of sponsors are distributed to the users of game device 12 and the user who watched the content brought in correspondence with such a sponsor is led to a page managed by the sponsor brought in correspondence with that content. Namely, in the storage area of distribution server 104, an area (typically, a directory) 124a, 124b, 124c, . . . managed independently by each sponsor is provided. In these areas 124a, 124b, 124c, . . . , in principle, only the managing sponsor can add, modify or erase the content. Instead of management by the sponsor itself of these areas 124a, 124b, 124c, . . . , an operator entrusted by each sponsor may be responsible for management on behalf of the sponsor.

The processing for providing watching or the like of the contents present in areas 124a, 124b, 124c, . . . independently managed by such respective sponsors is the sponsor selection screen subroutine described above (step S162 in FIG. 23, step S226 in FIG. 29, and the like). As will be described later, access to areas 124a, 124b, 124c, independently managed by the sponsor can be made based on user's arbitrary selection, in addition to an occasion after the user watched the content brought in correspondence with the sponsor.

Each of areas 124a, 124b, 124c, . . . stores one content or a plurality of contents 127 (hereinafter also referred to as a sponsor content 127) prepared by each sponsor and stores content description information 126 describing what kind of sponsor content is stored. This content description information 126 stores a kind of metadata including a title or a substance of each content. Typically, content description information 126 is described in a markup language such as XML. Therefore, when a new content is added to areas 124a, 124b, 124c, . . . , each sponsor should add the substance of the added content to content description information 126.

In terms of a business method in distribution system 100 according to the present embodiment from a point of view of the sponsor, many users who watched the content can be led to the page managed by the sponsor itself as a result of supply of a content attracting user's interest. In addition, in this page managed by the sponsor, not only the motion picture but also an original questionnaire prepared by the sponsor, a discount coupon, acceptance of an order of a sample, a mail order service of a commercial product (hereinafter also collectively referred to as home delivery service), and the like can also be provided. In addition, from a point of view of the user, the user can arbitrarily select a content in which he/she is interested from among a wide variety of contents provided by a plurality of sponsors and can watch the content. Moreover, as provided contents are added or updated in a short cycle, the user is also motivated to access distribution server 104 for new information.

Overview of the sponsor selection screen subroutine shown in step S162 in FIG. 23 and step S226 in FIG. 29 will now be described. It is noted that the sponsor selection screen subroutine can be executed based on user's arbitrary selection, without watching the content.

Initially, when the user selects and executes the sponsor selection screen subroutine without watching the content, CPU 40 of game device 12 causes a sponsor list screen as shown in FIG. 33A displayed. The sponsor displayed on the sponsor list screen shown in FIG. 33A correspond to each of areas 124a, 124b, 124c, . . . independently managed by each sponsor shown in FIG. 32. In the sponsor list screen shown in FIG. 33A, sponsor characters 580a to 580f representing respective sponsors are displayed. Each of sponsor characters 580a to 580f is typically expressed as carrying a logo or the like of the sponsor.

When any sponsor character is selected in the sponsor list screen shown in FIG. 33A, CPU 40 of game device 12 has a page corresponding to the selected sponsor displayed.

For example, when sponsor character 580a of sponsor “AAA” is selected in the sponsor list screen shown in FIG. 33A, CPU 40 of game device 12 has an individual logo screen shown in FIG. 33B displayed and then has the sponsor content list screen as shown in FIG. 33C displayed.

When the sponsor selection screen subroutine is executed in step S162 in FIG. 23 and step S226 in FIG. 29, the individual logo screen as shown in FIG. 33B in connection with the sponsor brought in correspondence with the watched content is directly displayed.

In the sponsor content list screen shown in FIG. 33C, initially, sponsor character 582a and/or 582b offers greeting for a visit to the page of the sponsor, in a balloon object (not shown) or through voice and sound. Here, a sponsor company can also be introduced. In addition, CPU 40 of game device 12 has thumbnail images 584a to 584e showing the substance of the sponsor content stored in an area independently managed by each sponsor displayed in a selectable manner, in the sponsor content list screen. Moreover, when the user operates controller 22 to point to any of thumbnail images 584a to 584e with a cursor or the like, sponsor character 582a and/or 582b explains the substance of the pointed sponsor content in a balloon object (not shown) or through voice and sound. Here, any user character registered in game device 12 may appear as one of sponsor characters 582a and 582b. Here, user character 510 registered in the game device itself and introduction character 520 are displayed on the same screen.

In addition, when the user operates controller 22 to select any of thumbnail images 584a to 584e, CPU 40 of game device 12 performs processing in accordance with the substance of the selected sponsor content. More specifically, if the selected sponsor content is the motion picture, CPU 40 of game device 12 starts reproduction of the selected sponsor content (motion picture).

Alternatively, when the selected sponsor content is the questionnaire, CPU 40 of game device 12 displays questions in the questionnaire and has a screen for accepting input of answers displayed. Then, when input of answers is completed, CPU 40 of game device 12 transmits the input answers to distribution server 104 or other server devices.

Alternatively, when the selected sponsor content is a discount coupon, CPU 40 of game device 12 has an image to be presented at a shop displayed. More specifically, for example in a case of a discount coupon for a hamburger or the like, a motion picture incorporating in a final frame an image of a hamburger and an image indicating an expiration date or the like as shown in FIG. 33D is downloaded from distribution server 104. In addition, as will be described later, CPU 40 of game device 12 transfers the downloaded discount coupon to the portable terminal. Thus, the discount coupon can be displayed on the portable terminal and the user can present the coupon at the shop to receive discount service.

Alternatively, when the selected sponsor content is acceptance of an order of a sample, a home delivery service of mail order of a commercial product or the like, CPU 40 of game device 12 has a screen for accepting input of a delivery address or name of the user displayed. Then, when input of the address or the like is completed, CPU 40 of game device 12 transmits the input information to distribution server 104 or other server devices.

Referring next to FIG. 34, the sponsor selection screen subroutine (the details in step S162 in FIG. 23 and step S226 in FIG. 29) providing the sponsor selection screen shown in FIG. 33A above will be described. Each step shown in FIG. 34 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIG. 34, initially, CPU 40 of game device 12 determines whether the present processing is performed after reproduction of the content or not (step S300). Namely, CPU 40 determines whether or not the present subroutine is executed after the user watched the content, based on the sponsor ID brought in correspondence with the content. When the present processing is not performed after reproduction of the content (NO in step S300), the process proceeds to step S302. It is, for example, a case where foliage plant object 518 on the main screen shown in FIG. 11 is selected. On the other hand, when the present processing is performed after reproduction of the content (YES in step S300), the process proceeds to step S310.

In step S302, CPU 40 downloads the sponsor list from distribution server 104. Namely, CPU 40 obtains the list indicating areas 124a, 124b, 124c, . . . independently managed by the sponsor and generated in distribution server 104. Here, CPU 40 also obtains information for expressing the sponsor character. In successive step S304, CPU 40 has the sponsor list screen as shown in FIG. 33A displayed, based on the obtained sponsor list. In further successive step S306, CPU 40 determines whether any of the sponsor characters displayed in a list has been selected or not. When any of the sponsor characters displayed in a list is selected (YES in step S306), the process proceeds to step S310. On the other hand, when none of the sponsor characters displayed in a list is selected (NO in step S306), the process proceeds to step S308.

In step S308, CPU 40 determines whether a “back to main” button has been selected or not. When the “back to main” button is selected (YES in step S308), the process returns to the main screen subroutine shown in FIGS. 22 and 23. In contrast, when the “back to main” button is not selected (NO in step S308), the processing in step S304 and subsequent steps is repeated.

In step S310, CPU 40 has the designated sponsor or the individual logo screen (see FIG. 33B) of the selected sponsor displayed. In successive step S312, CPU 40 downloads the sponsor content list from distribution server 104. Namely, CPU 40 obtains a list of sponsor contents stored in areas 124a, 124b, 124c, . . . independently managed by the sponsor of interest. Here, CPU 40 also obtains a thumbnail image of each sponsor content. In successive step S314, CPU 40 has the sponsor content list screen as shown in FIG. 33C displayed. In further successive step S316, CPU 40 shows animation in which the sponsor character offers greeting.

In successive step S318, whether any of the sponsor contents displayed in a list has been pointed with a cursor or the like or not is determined. When any of the sponsor contents displayed in a list is pointed (YES in step S318), the process proceeds to step S320. On the other hand, when none of the sponsor contents displayed in a list is pointed (NO in step S318), the process proceeds to step S322.

In step S320, CPU 40 shows animation in which the sponsor character explains the substance of the pointed sponsor content. Thereafter, the process proceeds to step S322.

In step S322, whether any of the sponsor contents displayed in a list has been selected or not (typically, whether A button 26d has been pressed or not) is determined. When any of the sponsor contents displayed in a list is selected (YES in step S322), the process proceeds to step S324. On the other hand, when none of the sponsor contents displayed in a list is pointed (NO in step S322), the process proceeds to step S344.

In step S324, CPU 40 determines whether the selected sponsor content is the motion picture or not. When the selected sponsor content is the motion picture (YES in step S324), the process proceeds to step S326. On the other hand, when the selected sponsor content is not the motion picture (NO in step S324), the process proceeds to step S328.

In step S326, CPU 40 executes the motion picture reproduction subroutine to reproduce the selected sponsor content. After this motion picture reproduction subroutine is executed, the process returns to step S314.

In step S328, CPU 40 determines whether the selected sponsor content is a questionnaire or not. When the selected sponsor content is the questionnaire (YES in step S328), the process proceeds to step S330. On the other hand, when the selected sponsor content is not the questionnaire (NO in step S328), the process proceeds to step S334.

In step S330, CPU 40 has a screen for accepting input of answers displayed, together with display of questions in the questionnaire. In successive step S332, CPU 40 transmits the input answers to distribution server 104 or other server devices. Thereafter, the process returns to step S314.

In step S334, CPU 40 determines whether the selected sponsor content is the discount coupon or not. When the selected sponsor content is the discount coupon (YES in step S334), the process proceeds to step S336. On the other hand, when the selected sponsor content is not the discount coupon (NO in step S334), the process proceeds to step S340.

In step S336, CPU 40 downloads the motion picture including the image of the designated discount coupon from distribution server 104. In successive step S338, CPU 40 executes the portable terminal transfer subroutine. After this portable terminal transfer subroutine is executed, the process returns to step S314.

In step S340, CPU 40 determines whether the selected sponsor content is the home delivery service or not. When the selected sponsor content is the home delivery service (YES in step S340), the process proceeds to step S342. On the other hand, when the selected sponsor content is not the home delivery service (NO in step S340), the process returns to step S314.

In step S342, CPU 40 has a screen for accepting input of a delivery address or name of the user displayed. In successive step S343, CPU 40 of game device 12 transmits the information such as the input address to distribution server 104 or other server devices. Thereafter, the process returns to step S314.

In step S344, CPU 40 determines whether the “back to main” button has been selected or not. When the “back to main” button is selected (YES in step S344), the process returns to the main screen subroutine shown in FIGS. 22 and 23. In contrast, when the “back to main” button is not selected (NO in step S344), the process returns to step S314.

Overview of the message creation subroutine shown in step S232 in FIG. 29 will now be described. It is noted that the message creation subroutine can be executed based on user's arbitrary selection, without watching the content.

Referring to FIGS. 35A to 35F, when the message creation subroutine is executed, CPU 40 of game device 12 initially has a message selection screen as shown in FIG. 35A displayed. In the message selection screen shown in FIG. 35A, a “send to family” button 553 for selecting message transmission to game device 12 itself and a “send to friend” button 554 for selecting message transmission to a user of another game device 12 are displayed in a selectable manner.

When the user operates controller 22 to select “send to family” button 553, CPU 40 of game device 12 has the user character selection screen as shown in FIG. 35B displayed. Namely, the user character selection screen shown in FIG. 35B is a screen for selecting user character 510 as the sender of the message, and user characters 510 registered in advance in game device 12 are displayed in a list in a selectable manner.

On the other hand, when the user operates controller 22 to select “send to friend” button 554, CPU 40 of game device 12 has a destination selection screen as shown in FIG. 35C displayed. This destination selection screen is a screen for selecting message destination game device 12, and friend list 44d including a game device number is registered as an address for specifying destination game device 12. When no data is registered in friend list 44d, a warning screen for urging the user to register friend list 44d may be displayed. Thereafter, when the user operates controller 22 to select any destination in the destination selection screen shown in FIG. 35C, CPU 40 of game device 12 has the user character selection screen as shown in FIG. 35B displayed.

When the user operates controller 22 to select any user character 510 in the user character selection screen shown in FIG. 35B, CPU 40 of game device 12 has a behavior pattern selection screen as shown in FIG. 35D displayed. Namely, the behavior pattern selection screen shown in FIG. 35D accepts selection of a behavior to be exhibited when selected user character 510 delivers the message. Specifically, in the behavior pattern selection screen shown in FIG. 35D, the total of six icons of a calm icon 560a, an excited icon 560b, a sorrowful icon 560c, an apology icon 560d, a celebration icon 560e, and a birthday icon 560f are displayed in a selectable manner. User character 510 delivers the message, with the expression or the action in accordance with the icon selected from among these icons.

When any behavior pattern is selected in FIG. 35D, a message input screen as shown in FIG. 35E is displayed for creating a message for the user to recommend any content to a family member, a friend or the like, or otherwise, a message input screen as shown in FIG. 35F is displayed. Namely, CPU 40 of game device 12 determines whether or not the present message creation subroutine is executed after any content was watched. If it is the case, CPU 40 obtains the thumbnail image or the like of the content and has the thumbnail image or the like displayed together with a balloon object 558.

In the message input screen shown in FIG. 35E, balloon object 558 for accepting a message is displayed together with a thumbnail image 562 showing the content recommended by the user. For confirmation, the selected user character is also displayed. When the user selects balloon object 558, CPU 40 of game device 12 has, for example, a character input screen like a keyboard displayed. When the user successively selects an icon corresponding to a key of the keyboard displayed on the character input screen, a character is input in balloon object 558. When the user selects an “OK” button 564, CPU 40 of game device 12 transmits the input message to mail server 102 or the like. It is noted that “OK” button 564 may remain inactive so long as no character is input to balloon object 558.

On the other hand, in the message input screen shown in FIG. 35F, balloon object 558 for accepting a message is displayed, without display of thumbnail image 562. Input of a character in this balloon object 558 is also made, for example, through the character input screen like a keyboard. Then, when the user selects OK button 564, CPU 40 of game device 12 transmits the input message to mail server 102 or the like.

If a query about an installation status of an application in destination game device 12 is issued to mail server 102 or the like and it is found that the present content distribution application is not installed in destination game device 12, a message may be transmitted in a normal mail format or as converted into a format readable with the message board function described above.

Thus, CPU 40 generates the introduction character information brought in correspondence with the content reproduced in response to the user's operation and including information for displaying the selected user character object. Then, CPU 40 transmits the generated introduction character information to another game device 12 (information processing device).

In addition, CPU 40 of game device 12 indicated as the message destination obtains content information (motion picture information) of the reproduced content brought in correspondence with the introduction character information from distribution server 104, in response to reception of the introduction character information from another game device 12. Moreover, CPU 40 causes monitor 34 to display the introduction character information based on the introduction character information and outputs information for introducing the reproduced content in association with the introduction character object, based on the obtained content information (motion picture information).

Referring next to FIG. 36, the message creation subroutine providing the screen for creating the message shown in FIGS. 35A to 35F above (details in step S232 in FIG. 29) will be described. Each step shown in FIG. 36 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIG. 36, initially, CPU 40 of game device 12 has the message selection screen as shown in FIG. 35A displayed (step S400). In successive step S402, CPU 40 determines whether any button displayed on the message selection screen has been selected or not. When “send to family” button 553 on the message selection screen is selected (“FAMILY” in step S402), the process proceeds to step S414. On the other hand, when “send to friend” button 554 on the message selection screen is selected (“FRIEND” in step S402), the process proceeds to step S404.

In step S404, CPU 40 determines whether the registration data is present in friend list 44d or not. When there is no entry in friend list 44d (NO in step S404), the process proceeds to step S406. When there is entry in friend list 44d (YES in step S404), the process proceeds to step S408.

In step S406, CPU 40 has a warning screen for urging the user to register friend list 44d displayed. Then, the process returns to step S400.

In step S408, CPU 40 has a destination selection screen as shown in FIG. 35C displayed, based on the registration data in friend list 44d. In successive step S410, CPU 40 determines whether a destination displayed on the destination selection screen has been selected or not. When the destination displayed on the destination selection screen is not selected (NO in step S410), the processing in step S410 is repeated. On the other hand, when the destination displayed on the destination selection screen is selected (YES in step S410), CPU 40 sets the selected destination game device number as the destination address (step S412). Thereafter, the process proceeds to step S414.

In step S414, CPU 40 has the user character selection screen shown in FIG. 35B displayed. In successive step S416, CPU 40 determines whether the user character displayed on the user character selection screen has been selected of not. When the user character displayed on the user character selection screen is not selected (NO in step S416), the processing in step S416 is repeated. On the other hand, when the user character displayed on the user character selection screen is selected (YES in step S416), CPU 40 sets the selected user character as the sender user character (step S418). Thereafter, the process proceeds to step S420.

In step S420, CPU 40 has the behavior pattern selection screen shown in FIG. 35D displayed. In successive step S422, CPU 40 determines whether any icon displayed on the behavior pattern selection screen has been selected or not. When no icon displayed on the behavior pattern selection screen is selected (NO in step S422), the processing in step S422 is repeated. On the other hand, when any icon displayed on the behavior pattern selection screen is selected (YES in step S422), CPU 40 sets the behavior pattern corresponding to the selected icon (step S424). Thereafter, the process proceeds to step S426.

In step S426, CPU 40 determines whether it is necessary to attach the substance of the content to the message or not. More specifically, CPU 40 determines whether the present message creation subroutine was executed after any content was watched. When it is necessary to attach the substance of the content to the message (YES in step S426), the process proceeds to step S428. On the other hand, when it is not necessary to attach the substance of the content to the message (NO in step S426), the process proceeds to step S432.

In step S428, CPU 40 obtains the motion picture ID of the content that was previously watched and downloads a thumbnail image of the content corresponding to the obtained motion picture ID from distribution server 104. In successive step S430, CPU 40 has the message input screen including the downloaded thumbnail image displayed (see FIG. 35E). Thereafter, the process proceeds to step S434.

On the other hand, in step S432, CPU 40 has the message input screen not including the thumbnail image of the content displayed (see FIG. 35F). Thereafter, the process proceeds to step S434.

In step S434, CPU 40 determines whether a balloon object on the message input screen has been selected or not. When the balloon object is selected (YES in step S434), the process proceeds to step S436. On the other hand, when the balloon object is not selected (NO in step S434), the process proceeds to step S440.

In step S436, CPU 40 has the character input screen displayed and accepts character input by the user. In successive step S438, CPU 40 sets the input character string in the buffer. Then, the process proceeds to step S440.

In step S440, CPU 40 determines whether “OK” button 564 has been selected or not. When “OK” button 564 is selected (YES in step S440), the process proceeds to step S442. On the other hand, when “OK” button 564 is not selected (NO in step S440), the processing in step S434 and subsequent steps is repeated.

In step S442, CPU 40 determines whether “send to family” is the selected message or not. When “send to family” is the selected message (YES in step S442), the process proceeds to step S444. On the other hand, when “send to family” is not the selected message (NO in step S442), the process proceeds to step S446. Namely, this case corresponds to selection of “send to friend.”

In step S444, CPU 40 causes reception message box 44b of game device 12 itself to store information representing the sender user character, the behavior pattern, the input message, the thumbnail image and the motion picture ID of the content (as necessary), the type code, and the message including the designated date. Thereafter, the process returns to the parent process.

In contrast, in step S446, CPU 40 issues a query to mail server 102 to determine whether the present content distribution application has been installed in destination game device 12 or not. When the present content distribution application is installed in destination game device 12 (YES in step S446), the process proceeds to step S448. On the other hand, when the present content distribution application is not installed in destination game device 12 (NO in step S446), the process proceeds to step S450.

In step S448, CPU 40 transmits the information representing the sender user character, the behavior pattern, the input message, the thumbnail image and the motion picture ID of the content (as necessary), the type code, and the message including the designated date to mail server 102, after designating the destination address (game device number). Thereafter, the process returns to the parent process.

In contrast, in step S450, CPU 40 generates a message in a format accessible by the message board function, including the input message, the thumbnail image and the motion picture ID of the content (as necessary), the type code, and the designated date. In addition, CPU 40 transmits the generated message to mail server 102, after designating the destination address (game device number). Thereafter, the process returns to the parent process.

Referring next to FIGS. 37 and 38, a portable game device 210 will be described by way of a typical example of a portable terminal according to the present embodiment. It is noted that distribution system 100 according to the present embodiment is also applicable to a general-purpose portable terminal such as a portable telephone or a PDA (Personal Digital Assistant).

Referring to FIG. 37, portable game device 210 according to the present embodiment is a foldable portable game device. FIG. 37 shows portable game device 210 in an unfolded state (opened state). Portable game device 210 is configured to have such a size that the user can hold portable game device 210 with both hands or one hand even in the unfolded state.

Portable game device 210 has a first housing 211 and a second housing 221. First housing 211 and second housing 221 are coupled to allow opening and closing (be foldable). In the example shown in FIG. 37, first housing 211 and second housing 221 are each formed in a shape of a horizontally long, rectangular plate, and they are coupled to each other to be pivotable around a long side portion thereof by means of a hinge.

A first LCD (Liquid Crystal Display) 212 is provided as a display portion (display means) in first housing 211. First LCD 212 is in a rectangular shape and it is arranged such that a direction in which its long side extends coincides with a direction in which a long side of first housing 211 extends. In the present embodiment, though an LCD is adopted as the display portion (display means), other appropriate display device such as a display device utilizing EL (Electro Luminescence) may be adopted. In addition, resolution of the display portion (display means) may be designed as appropriate in accordance with an application to be executed.

Buttons 214A to 214K are provided as the input portion (input means) in first housing 211 for performing various operations on portable game device 210. Among buttons 214A to 214K, a direction input button 214A, an operation button 214B, an operation button 214C, an operation button 214D, an operation button 214E, a power button 214F, a start button 214G, and a select button 214H are provided on an inner main surface of first housing 211, which is located on the inner side when first housing 211 and second housing 221 are folded.

An L button 214I is provided at a left end portion of an upper side surface of first housing 211 in the drawing and an R button 214J is provided at a right end portion of the upper side surface of first housing 211 in the drawing. In addition, a volume button 214K is provided on a left side surface of first housing 211.

Direction input button 214A, L button 214I, and R button 214J are used, for example, for a selection operation. Buttons 214B to 214E are used, for example, for an enter operation or a cancel operation. Power button 214F is used for turning on/off the power of portable game device 210. Volume button 214K is used for adjusting a volume of a speaker included in portable game device 210.

Portable game device 210 further includes a touch panel 213 as the input portion (input means) different from buttons 214A to 214K. Touch panel 213 is attached to cover a screen of first LCD 212 and detects a coordinate when the user performs an input operation. Namely, touch panel 213 is arranged in correspondence with a display surface of first LCD 212.

For example, a resistive touch panel may be adopted as touch panel 213, however, touch panel 213 is not limited to the resistive type and various pressing-type touch panels may be adopted. In addition, resolution (detection accuracy) of touch panel 213 is preferably as high as resolution (display accuracy) of first LCD 212. The resolution of touch panel 213, however, does not necessarily have to be equal to the resolution of first LCD 212.

An insertion opening (shown with a dashed line in FIG. 37) for a touch pen 227 is provided in a right side surface of first housing 211. In the drawing. Touch pen 227 used for performing an input operation on touch panel 213 can be accommodated in the insertion opening. Normally, an input operation to touch panel 213 is performed by using touch pen 227, however, input operation of touch panel 213 can also be performed with a finger of the user, instead of touch pen 227.

Moreover, an insertion opening (shown with a chain-double-dotted line in FIG. 37) for accommodating a memory card 228 is provided in the right side surface of first housing 211 in the drawing. A connector (not shown) for electrically connecting portable game device 210 and memory card 228 with each other is provided in the inside of this insertion opening. Memory card 228 is removably attached to the connector. Memory card 228 is used, for example, for reading a game program or image data obtained from another information processing device or a game device, for storing (saving) image data picked up and/or processed by portable game device 210, or the like. Memory card 228 is implemented by a non-volatile storage medium such as an SD (Secure Digital) card.

An insertion opening (shown with a chain-dotted line in FIG. 37) for accommodating a memory card 229 is provided in the upper side surface of first housing 211 in the drawing. A connector (not shown) for electrically connecting portable game device 210 and memory card 229 with each other is provided in the inside of this insertion opening. Memory card 229 is removably attached to the connector. Memory card 229 stores a game program or the like.

Three LEDs 215A to 215C are disposed in a portion on the left of the coupling portion of first housing 211 and second housing 221 in the drawing. A first LED 215A illuminates when the power of portable game device 210 is turned on A second LED 215B illuminates in accordance with a state of a battery of portable game device 210 (indicating during charging or a state of charge being low). As will be described later, portable game device 210 can establish wireless communication with other equipment, and a third LED 215C illuminates depending on a status of wireless communication. Therefore, three LEDs 215A to 215C can notify the user of a state of power on/off, a state of charge, and a status of wireless communication of portable game device 210.

A second LCD 222 is provided in second housing 221 as a display portion (display means). Second LCD 222 has a rectangular shape and it is arranged such that a direction in which its long side extends coincides with a direction in which a long side of second housing 221 extends. As in first LCD 212, another appropriate display device may be adopted instead of the LCD. Though portable game device 210 adopts such a configuration that the touch panel serving as the input means (input portion) is attached to cover the screen of first LCD 212, yet another touch panel may be attached to the screen of second LCD 222.

In addition, two cameras (an inner camera 223 and an outer camera 225) serving as image pick-up means (an image pick-up device) are provided in second housing 221. As shown in FIG. 37, inner camera 223 is disposed in an inner main surface of second housing 221 around the coupling portion. On the other hand, outer camera 225 is disposed in a surface opposite to the inner main surface where inner camera 223 is disposed, that is, in an outer main surface of second housing 221 (corresponding to a surface on the outside when portable game device 210 is in the closed state). In FIG. 37, outer camera 225 is shown with a dashed line.

A microphone (a microphone 243 shown in FIG. 38) is accommodated as an audio input device in the coupling portion of portable game device 210. In the inner main surface around the coupling portion of portable game device 210, a microphone hole 216 is provided such that microphone 243 can sense sound around portable game device 210.

A fourth LED 226 is provided on the outer main surface of second housing 221 at a position proximate to outer camera 225. Fourth LED 226 illuminates depending on a state of image pick-up by outer camera 225.

A sound emission hole 224 is provided in the inner main surface of second housing 221, on each of left and right sides of second LCD 222 provided around the center of the inner main surface. A speaker (a speaker 245 shown in FIG. 38) is accommodated as an audio output device, in second housing 221 communicating to sound emission hole 224.

Referring to FIG. 38, portable game device 210 includes such electronic parts as a CPU 231, a main memory 232, a memory control circuit 233, a data memory 234 for storage, a memory 235 for preset data, memory card interfaces (memory card I/F) 236 and 237, a wireless communication module 238, a local communication module 239, a real time clock (RTC) 240, a power supply circuit 241, and an interface circuit (I/F circuit) 242. These electronic parts are mounted on an electronic circuit board and accommodated in first housing 211 (or in second housing 221).

CPU 231 is an operation processing unit for executing various programs, CPU 231 develops and executes on main memory 232, a game program stored in any of a memory within portable game device 210 (typically, data memory 234 for storage), memory card 228 and memory card 229. As a result of execution of a program by CPU 231, various types of processing according to the present embodiment which will be described later are provided. As will be described later, the game program according to the present embodiment is typically supplied from the distribution server or the like connected to the network through a wire or wireless communication line to portable game device 210. The game program supplied to portable game device 210 is stored in data memory 234 for storage.

In addition, CPU 231 has a not-shown VRAM (Video Random Access Memory) for exclusively controlling display on first LCD 212 and second LCD 222. The VRAM temporarily stores image data or the like for displaying various images which will be described later. It is noted that data stored in main memory 232 is transferred to the VRAM, or a file (data) or the like stored in data memory 234 for storage is directly read and the substance thereof is written in the VRAM.

Main memory 232, memory control circuit 233 and memory 235 for preset data are connected to CPU 231. In addition, data memory 234 for storage is connected to memory control circuit 233.

Main memory 232 is storage means used as a work area or a buffer area of CPU 231. Namely, main memory 232 temporarily stores data used for various types of processing or develops and temporarily stores a game program read from data memory 234 for storage, memory card 228, memory card 229, or the like. In the present embodiment, for example, a PSRAM (Pseudo-SRAM) is employed as main memory 232.

Data memory 234 for storage is storage means for storing a game program executed by CPU 231, data of images picked up by inner camera 223 and outer camera 225, and the like. Data memory 234 for storage is implemented, for example, by a non-volatile storage medium such as a NAND-type flash memory. Memory control circuit 233 is a circuit for controlling reading and writing of data from/to data memory 234 for storage in accordance with an instruction from CPU 231

Memory 235 for preset data is storage means for storing data such as various parameters set in advance in portable game device 210 (preset data). A flash memory connected to CPU 231 through an SPI (Serial Peripheral Interface) bus may be adopted as memory 235 for preset data.

Memory card I/Fs 236 and 237 are each connected to CPU 231. Memory card I/F 236 performs reading and writing of data from/to memory card 228 attached to the connector in response to an instruction from CPU 231. In addition, memory card I/F 237 performs reading and writing of data from/to memory card 229 attached to the connector in response to an instruction from CPU 231.

Wireless communication module 238 establishes communication with game device 12 or the like under Bluetooth® specifications. It is noted that communication by wireless communication module 238 may be established under other specifications such as infrared or wireless LAN. Alternatively, wire connection may be adopted. In addition, local communication module 239 has a function to establish wireless communication with a game device of a similar type under a prescribed communication scheme. Wireless communication module 238 and local communication module 239 are connected to CPU 231. CPU 231 can exchange data with other equipment through a network circuit such as the Internet by using wireless communication module 238, or exchange data with another game device of a similar type by using local communication module 239.

In addition, RTC 240 and power supply circuit 241 are connected to CPU 231. RTC 240 counts time and outputs the counted time to CPU 231. For example, CPU 231 is also able to calculate current time (date) or the like based on the time counted by RTC 240. Power supply circuit 241 controls electric power supplied from a power supply of portable game device 210 (typically, a battery housed in first housing 211) and supplies electric power to each part of portable game device 210.

Portable game device 210 further includes I/F circuit 242 connected to CPU 231. Microphone 243, an amplifier 244 and touch panel 213 are connected to I/F circuit 242.

Microphone 243 senses voice and sound or the like of the user issued toward portable game device 210 and outputs an audio signal indicating the sensed voice and sound to I/F circuit 242. Amplifier 244 amplifies the audio signal from I/F circuit 242 and causes the audio signal to be output from speaker 245.

A touch panel control circuit included in I/F circuit 242 generates touch position data based on a detection signal from touch panel 213 and outputs the data to CPU 231. For example, the touch position data includes a coordinate value indicating a position where input to an input surface of touch panel 213 was made. Here, the touch panel control circuit performs, cyclically or in a prescribed cycle, reading of a signal from touch panel 213 and generation of the touch position data. CPU 231 obtains the touch position data through I/F circuit 242 (the touch panel control circuit) so that it can detect an input coordinate where the user has performed an input operation to touch panel 213.

In addition, first LCD 212 and second LCD 222 are each connected to CPU 231. First LCD 212 and second LCD 222 display an image in response to an instruction from CPU 231.

Referring next to FIGS. 39A and 39B, FIGS. 40A to 40D, and FIGS. 41A to 41D, overview of the portable terminal transfer subroutine shown in step S236 in FIG. 29 and step S338 in FIG. 34 will be described. It is noted that FIGS. 39A and 39B show an exemplary screen displayed on monitor 34 of game device 12, and FIGS. 40A to 40D and FIGS. 41A to 41D show an exemplary screen displayed on first LCD 212 and second LCD 222 of portable game device 210 representing a typical example of the portable terminal. In addition) it is assumed that a distribution application for portable terminal capable of establishing communication with the content distribution application according to the present embodiment is installed in portable game device 210.

When the portable terminal transfer subroutine is executed, CPU 40 of game device 12 initially has a notification screen as shown in FIG. 39A displayed. In the notification screen shown in FIG. 39A, a title of the content to be transferred to the portable terminal and a communication status between game device 12 and portable game device 210 (in the example shown in FIG. 39A, “now preparing”) are displayed. In addition, in the notification screen shown in FIG. 39A, a message urging the user to start up the distribution application for portable terminal in the portable terminal and a message notifying that the content cannot be transferred unless the distribution application for portable terminal is installed in the portable terminal are displayed.

Thereafter, when communication between game device 12 and portable game device 210 is established and transfer of the content from game device 12 to portable game device 210 is started, a status “now downloading” as shown in FIG. 39B is displayed.

On the other hand, when the user starts up the distribution application for portable terminal in portable game device 210, a menu screen as shown in FIG. 40A is displayed. In FIGS. 40A to 40D and FIGS. 41A to 41D, for the sake of illustration, the images (screen shots) displayed on respective first LCD 212 and second LCD 222 are shown together as a whole.

In the menu screen shown in FIG. 40A, a “receive video from stationary device” button 602 for receiving the content from game device 12 and a “watch received video” button 604 for reproducing the content stored in portable came device 210 are displayed.

When the user uses touch pen 227 or the like to touch button 602, CPU 231 of portable game device 210 performs processing for receiving the content from game device 12 as shown in FIGS. 40B to 40D. On the other hand, when the user uses touch pen 227 or the like to touch button 604, CPU 231 of portable game device 210 performs processing for reproducing the stored content as shown in FIGS. 41A to 41D.

Referring initially to FIG. 40B, when button 602 is touched in the menu screen shown in FIG. 40A, CPU 231 of portable game device 210 has a screen for accepting selection of a storage destination of the content received from game device 12 displayed. More specifically, a “portable terminal main body” button 612 for setting data memory 234 for storage of portable game device 210 as the storage destination and a “memory card” button 614 for setting memory card 228 attached to portable game device 210 as the storage destination are displayed. In succession, when the user uses touch pen 227 or the like to touch any of buttons 612 and 614, CPU 231 of portable game device 210 starts processing for searching for game device 12 to be connected and has a screen indicating that game device 12 is being searched for as shown in FIG. 40C displayed.

Thereafter, when communication is established between portable game device 210 and game device 12, transfer of the content from game device 12 to portable game device 210 is started. Along with this transfer processing, CPU 231 of portable game device 210 has a screen indicating that the content is being received from game device 12 as shown in FIG. 40D displayed. Here, a status indicating how much data of the entire content has been received is displayed.

Through such an operation, the content can be transferred from game device 12 to portable game device 210.

On the other hand, when button 604 is touched on the menu screen shown in FIG. 40A, CPU 231 of portable game device 210 has a screen displayed for accepting selection of a storage medium storing a content to be reproduced, as shown in FIG. 41A. More specifically, a “portable terminal main body” button 622 for reproducing the content stored in data memory 234 for storage of portable game device 210 and a “memory card” button 624 for reproducing the content stored in memory card 228 attached to portable game device 210 are displayed.

In succession, when the user uses touch pen 227 or the like to touch any of buttons 622 and 624, CPU 231 of portable game device 210 has a screen displayed for accepting selection of a type of a content to be reproduced, as shown in FIG. 41B. More specifically, a “video” button 632 for reproducing a video content such as a motion picture and a “coupon” button 634 for reproducing a discount coupon as shown in FIG. 33D above are displayed.

When the user uses touch pen 227 or the like to touch button 632 on the screen shown in FIG. 41B, CPU 231 of portable game device 210 has a screen for accepting selection of a video content to be reproduced as shown in FIG. 41C displayed. More specifically, CPU 231 of portable game device 210 extracts video contents stored in the storage medium selected in the screen shown in FIG. 41A and has thumbnail images and a list of titles 626 displayed.

In addition, when the user uses touch pen 227 or the like to touch any content on the screen shown in FIG. 41C, CPU 231 of portable game device 210 starts reproduction of the touched content as shown in FIG. 41B.

Though not shown, when the user uses touch pen 227 or the like to touch button 634 on the screen shown in FIG. 41B, CPU 231 of portable game device 210 extracts images of coupons stored in the storage medium selected in the screen shown in FIG. 41A and has the thumbnail images thereof or the like displayed in a list. Then, when any coupon is touched, CPU 231 of portable game device 210 reproduces the motion picture of the selected coupon.

Referring next to FIG. 42, processing for transferring the content between game device 12 and portable game device 210 will be described.

CPU 40 of game device 12 causes monitor 34 to display the notification screen as shown in FIG. 39A when the portable terminal transfer subroutine is executed (sequence SQ100). In succession, CPU 40 of game device 12 downloads the content of interest from distribution server 104 (sequence SQ102). Thereafter, CPU 40 of game device 12 starts transmission of a radio signal including a search message (sequence SQ104).

On the other hand, when the distribution application for portable terminal is executed, CPU 231 of portable game device 210 has the storage destination selection screen as shown in FIG. 40A displayed (sequence SQ200). In succession, after the storage destination is determined in response to the user's operation CPU 231 of portable game device 210 starts transmission of a radio signal including a search message (sequence SQ204).

When reception of the search message and a handshake procedure are completed between game device 12 and portable game device 210 and communication is established between these devices (sequence SQ106), CPU 40 of game device 12 transmits the content obtained from distribution server 104 to portable game device 210 (sequence SQ108), CPU 231 of portable game device 210 has the content received from game device 12 stored (sequence SQ206). Thereafter, CPU 231 of portable game device 210 transmits a completion beacon to game device 12 (sequence SQ208). Thereafter, CPU 231 of portable game device 210 has a completion screen displayed (sequence SQ210) and the process ends.

On the other hand, a completion screen is also displayed on game device 12 that received the completion beacon (sequence SQ110) and the process ends.

Referring next to FIG. 43, a procedure for processing the distribution application for portable terminal shown in FIGS. 40A to 40D and FIGS. 41A to 41D above will be described. Each step shown in FIG. 43 is provided by execution of the distribution application for portable terminal according to the present embodiment by CPU 231 of portable game device 210.

Referring to FIG. 43, initially, CPU 231 of portable game device 210 has the menu screen as shown in FIG. 40A displayed (step S500). In successive step S502, CPU 231 determines whether “receive video from stationary device” button 602 on the menu screen has been selected or not. When “receive video from stationary device” button 602 is selected (YES in step S502), the process proceeds to step S504. On the other hand, when “receive video from stationary device” button 602 is not selected (NO in step S502), the process proceeds to step S522.

In step S504, CPU 231 has the content storage destination selection screen as shown in FIG. 40B displayed. In successive step S506, CPU 231 determines which storage medium has been selected as the storage destination. When data memory 234 for storage of portable game device 210 is selected as the storage destination (“stationary device” in step S506), CPU 231 sets data memory 234 for storage as the storage destination. Then, the process proceeds to step 510. On the other hand, when memory card 228 attached to portable game device 210 is selected as the storage destination (“memory card” in step S506), CPU 231 sets memory card 228 as the storage destination. In successive step S508, CPU 231 determines whether memory card 228 attached to portable game device 210 is healthy or not. When memory card 228 attached to portable game device 210 is healthy (YES in step S508), the process proceeds to step S510. On the other hand, when memory card 228 attached to portable game device 210 is not healthy (NO in step S508), the process returns to step S504.

In step S510, CPU 231 transmits a radio signal including a search message in order to search for communication target game device 12. Here, CPU 231 has a screen indicating that game device 12 is being searched for displayed as shown in FIG. 40C. In successive step S512, CPU 231 determines whether the search message has been received from communication target game device 12 or not. When the search message has not been received from communication target game device 12 (NO in step S512), the processing in step S512 is repeated. On the other hand, when the search message has been received from communication target game device 12 (YES in step S512), the process proceeds to step S514.

In step S514, CPU 231 downloads the content from communication target game device 12. Here, CPU 231 has a screen indicating that the content is being received from game device 12 as shown in FIG. 40D displayed. In successive step S516, when downloading of the content is completed, CPU 231 causes data memory 234 for storage or memory card 228 set as the storage destination to store the content. In further successive step S518, CPU 231 transmits the completion beacon to game device 12. In successive step S520, CPU 231 has the completion screen displayed. Then, the process returns to step S500.

In contrast, in step S522, CPU 231 determines whether “watch received video” button 604 in the menu screen has been selected or not. When “watch received video” button 604 is selected (YES in step S522), the process proceeds to step S524. On the other hand, when “watch received video” button 604 is not selected (NO in step S522), the process returns to step S500.

In step S524, CPU 231 has a screen displayed for accepting which storage medium should be selected to reproduce a content stored therein, as shown in FIG. 41A. In successive step S526, CPU 231 determines which storage medium is selected to reproduce a content stored therein. When reproduction of the content stored in data memory 234 for storage of portable game device 210 is selected (“main body” in step S526), CPU 231 sets data memory 234 for storage as the source of reading of the content. Then, the process proceeds to step S530. On the other hand, when reproduction of the content stored in memory card 228 attached to portable game device 210 is selected (“memory card” in step S526), CPU 231 sets memory card 228 as the source of reading of the content. In successive step S528, CPU 231 determines whether memory card 228 attached to portable game device 210 is healthy or not. When memory card 228 attached to portable game device 210 is healthy (YES in step S528), the process proceeds to step S530. On the other hand, when memory card 228 attached to portable game device 210 is not healthy (NO in step S528), the process returns to step S524.

In step S530, CPU 231 determines whether a content is present in the source of reading or not. When no content is present in the source of reading (NO in step S530), the process returns to step S524. On the other hand, when a content is present in the source of reading (YES in step S530), the process proceeds to step S532.

In step S532, CPU 231 has a screen for accepting selection of a type of a content to be reproduced as shown in FIG. 41B displayed. In successive step S534, CPU 231 determines which type of content has been selected as the content to be reproduced. When the video content is selected for reproduction (“video” in step S534), the process proceeds to step S536. On the other hand, when the coupon is selected for reproduction (“coupon” in step S534), the process proceeds to step S542.

In step S536, CPU 231 reads the video content to be reproduced, that has been read from the source of reading, and has a screen for accepting selection of the video content to be reproduced as shown in FIG. 41C displayed. In successive step S538, CPU 231 determines which content has been selected. When any content is selected (YES in step S538), the process proceeds to step S540. On the other hand, no content is selected (NO in step S538), the processing in step S538 is repeated.

In step S540, CPU 231 reproduces the selected video content. Thereafter, the process returns to step S536.

In step S542, CPU 231 reads the coupon motion picture to be reproduced, that has been read from the source of reading, and has a screen displayed for accepting selection of the coupon motion picture to be reproduced. In successive step S544, CPU 231 determines whether any content has been selected or not. When any content has been selected (YES in step S544), the process proceeds to step S546. On the other hand, when no content is selected (NO in step S544), the processing in step S544 is repeated.

In step S546, CPU 231 reproduces the selected coupon motion picture. Here, typically, as an image showing the content of the coupon is incorporated in the final frame of the coupon motion picture, the image in the final frame is displayed as a still image. Thereafter, the process returns to step S542.

Search for contents can further be facilitated by distributing any of the video content and the discount coupon in a form of a motion picture content. Regarding the discount coupon, however, an image that can be presented at a shop should only be displayed. Therefore, a still image may be used instead of a motion picture. By using a still image, load imposed on the network can be lessened.

Referring next to FIGS. 44 and 45, overview of a calendar subroutine shown in step S166 in FIG. 23 will be described.

When the calendar subroutine is executed, CPU 40 of game device 12 initially has a weekly calendar screen 700 as shown in FIG. 44 displayed. In this calendar screen 700, dates in a week (in the example in FIG. 44, 14th to 20th) are displayed separately. Then, in the field of each day, a date 702 and weather forecast 704 on that day are displayed. In addition, in the field of each day, a literary calendar headword 740 indicating some anniversary is added. A field corresponding to the time and day of the current time point among these fields is displayed differently from fields of other days. In the example in FIG. 44, a bold frame 708 surrounds the field corresponding to the time and day of the current time point.

In addition, in the field of each day, if a message designated to be opened on that day has arrived, an icon 710 notifying the user of reception of the message is displayed. Icon 710 also shows the number indicating the number of received messages.

In addition, a content display field 706 is provided in calendar screen 700, and a thumbnail image or the like of the content brought in correspondence with each day is displayed. More specifically, a time and day of start of availability and a time and day of end of availability are determined for each content such as a motion picture, and the user is permitted to download the content during a period from that time and day of start of availability to time and day of end of availability. It is noted that the time and day of start of availability of each content is a date brought in correspondence with that content. Thus, by bringing each content in correspondence with any date and by setting a period during which the content can be watched content distribution in various forms in accordance with the substance thereof can be achieved. For example, in distributing a content that records a method of fabricating a jack-o'-lantern used for Halloween, such a form as starting distribution from a day before Halloween is preferred. On the other hand, by limiting a period during which the content can be watched, user's willingness to watch the content can also be enhanced.

Typically, in calendar screen 700, a manner of display of corresponding thumbnail images may be different between a content selectable at the current time point and other non-selectable contents. In the example shown in FIG. 44, content display field 706 includes a thumbnail image 720 surrounded with a bold frame, which indicates a selectable content, and a normal thumbnail image 730 which indicates a non-selectable content.

In addition, in a lower portion of calendar screen 700, a “previous week” button 714 and a “next week” button 716 are displayed. When the user selects any of buttons 714 and 716, the date displayed on calendar screen 700 is changed week by week.

In addition, in the lower portion of calendar screen 700, a back icon 718 is displayed. When the user selects this icon 718, the screen returns to the main screen.

In addition, when the user selects any date displayed on calendar screen 700, a daily calendar screen 750 as shown in FIG. 45 is displayed. In this calendar screen 750, a literary calendar of the selected date, a content brought in correspondence with that day or the like is displayed.

More specifically, in calendar screen 750, if a message designated to be opened on that day is present, icon 710 informing the user of that fact is displayed together with date 702 and weather forecast 704 on that day. In addition, in calendar screen 750, literary calendar headword 740 of the literary calendar on that day is displayed in a selectable manner.

Moreover, in calendar screen 750, if a date corresponding to the current time point or a date after that is selected, a “send message on this day” button 724 is displayed in a selectable manner. When this button 724 is selected, a screen for creating a message designated to be opened on that selected date is displayed on calendar 750. With this function, for example, a message of which day of mailing (or a day of reception) is set in correspondence with a birthday or the like of a family member or a friend can be created and transmitted. Therefore, if a date prior to the current time point is selected, “send message on this day” button 724 is not displayed.

In addition, calendar screen 750 is provided with a content display field 756, where a thumbnail image of the content brought in correspondence with each day is displayed. If the number of contents brought in correspondence with is greater than a prescribed number, display switch buttons 752 and 754 are displayed. When button 752 or 754 is selected, the displayed thumbnail images of the contents are changed.

Moreover, in the lower portion of calendar screen 750, a “previous day” button 762 and a “next day” button 764 are displayed. When the user selects any of buttons 762 and 764, the date displayed on calendar screen 750 is changed day by day.

Further, in the lower portion of calendar screen 750, a back icon 768 is displayed. When the user selects this icon 768, the screen returns to calendar screen 700.

In addition, when any literary calendar headword 740 displayed on calendar screen 750 is selected, transition to a screen (not shown) displaying details of the selected literary calendar is made. In the screen displaying the details of this literary calendar, not only texts but also an image set in advance may be displayed. Alternatively, detailed explanation of the literary calendar may be provided only by the motion picture.

Data exchange in distribution system 100 during execution of the calendar function will now be described.

Referring to FIG. 46, when the user's operation to indicate execution of the calendar function is performed (sequence SQ300), CPU 40 of game device 12 starts execution of the calendar function (sequence SQ302). In succession, CPU 40 of game device 12 transmits a weekly calendar data request to distribution server 104 (sequence SQ304). In response to this weekly calendar data request, distribution server 104 transmits the weekly calendar data to game device 12 (sequence SQ306). In addition, CPU 40 of game device 12 transmits a thumbnail image request to distribution server 104 (sequence SQ308). In response to this thumbnail image request, distribution server 104 transmits the thumbnail image to game device 12 (sequence SQ310). In addition, CPU 40 of game device 12 sends a query about presence/absence of a mail to mail server 102 (sequence SQ312). In response to this query, if a mail is present, mail server 102 transmits the mail to game device 12 (sequence SQ314).

When downloading of data from distribution server 104 and mail server 102 is completed, CPU 40 of game device 12 has the weekly calendar displayed based on the weekly calendar data, the thumbnail image, and the message (sequence SQ316).

Thereafter, when the user performs an operation to select any date displayed on the weekly calendar (sequence SQ318), CPU 40 of game device 12 transmits a daily calendar data request to distribution server 104 (sequence SQ320). In response to this daily calendar data request, distribution server 104 transmits the daily calendar data to game device 12 (sequence SQ322). In addition, CPU 40 of game device 12 transmits a thumbnail image request to distribution server 104 (sequence SQ324). In response to this thumbnail image request, distribution server 104 transmits the thumbnail image to game device 12 (sequence SQ326).

When downloading of data from distribution server 104 is completed, CPU 40 of game device 12 has the daily calendar displayed based on the daily calendar data and the thumbnail image (sequence SQ328).

Thereafter, when a user's operation to indicate selection of any literary calendar headword is performed (sequence SQ330), CPU 40 of game device 12 has details of the selected literary calendar displayed on the screen (sequence SQ332).

In addition, when a user's operation to indicate selection of any motion picture content is performed (sequence SQ334), CPU 40 of game device 12 transmits a distribution request including the motion picture ID corresponding to the selected content to distribution server 104 (sequence SQ336). In response to this distribution request, distribution server 104 starts distribution (typically, streaming-play) of the designated content stored in the server itself to game device 12 (sequence SQ338), CPU 40 of game device 12 generates this distributed motion picture (sequence SQ340).

An exemplary structure of the calendar data exchanged in the sequence diagram shown in FIG. 46 above will now be described with reference to FIGS. 47A and 47B. FIG. 47A shows exemplary items included in the weekly calendar data and FIG. 47B shows exemplary items included in the daily calendar data. It is noted that such information is typically described in a markup language such as XML.

Referring to FIG. 47A, the weekly calendar data typically includes (F1) year, month and day of interest, (F2) days of the week, (F3) a holiday flag, (F4) a literary calendar headword, and (F5) motion picture information. As the items from (F1) to (F5) are set for each day, the weekly calendar data includes the items from (F1) to (F5) for seven days.

(F1) year, month and day of interest indicates year, month and day that should reflect the stored information. (F2) days of the week indicate a day of the week of corresponding (F1) year, month and day of interest. (F3) holiday flag indicates whether the corresponding (F1) year, month and day of interest is a holiday or not. (F4) literary calendar headword stores the substance of literary calendar headword 740 displayed on calendar screen 700 shown in FIG. 44.

(F5) motion picture information stores the information on the content displayed on calendar screen 700 shown in FIG. 44. More specifically, (F5) motion picture information includes (F5-1) an order, (F5-2) a motion picture ID, (F5-3) a time and day of start of availability, (F5-4) a time and day of end of availability, and (F5-5) a title. Regarding (F5-1) order, the order of display of the content of interest in the field of each day is allocated. (F5-2) motion picture ID is the identification information for uniquely specifying the content (motion picture) of interest in distribution server 104. (F5-3) time and day of start of availability indicates beginning of a period during which watching (downloading) of the content of interest is permitted (F5-4) time and day of end of availability indicates an end of the period during which watching (downloading) of the content of interest is permitted, (F5-5) title stores a title of the content of interest. It is noted that the number of pieces of described (F5) motion picture information corresponds to the number of contents brought in correspondence with the day of interest.

Referring to FIG. 47B, the daily calendar data typically includes (G1) year, month and day of interest, (G2) days of the week, (G3) a holiday flag, (G4) literary calendar information, and (G5) motion picture information. The number of pieces of described (G4) literary calendar information corresponds to the number of literary calendars brought in correspondence with the day of interest. Similarly, the number of pieces of described (G5) motion picture information corresponds to the number of contents brought in correspondence with the day of interest.

In (G1) year, month and day of interest, (G2) days of the week and (G3) holiday flag, substantially the same items as (F1) year, month and day of interest, (F2) days of the week and (F3) holiday flag included in the weekly calendar data shown in FIG. 47A are stored respectively.

(G4) literary calendar information stores information for displaying calendar screen 750 shown in FIG. 45 and a screen (not shown) showing more detailed contents of the literary calendar. More specifically, (G4) literary calendar information includes (G4-1) a literary calendar index, (G4-2) a literary calendar headword, (G4-3) a literary calendar text, (G4-4) a literary calendar image type, and (G4-5) a literary calendar BGM. (G4-1) literary calendar index is an identification number for specifying the literary calendar on the day of interest. (G4-2) literary calendar headword stores the substance of literary calendar headword 740 displayed on calendar screen 750 shown in FIG. 45. (G4-3) literary calendar text stores texts explaining the more detailed substance of the literary calendar. (G4-4) literary calendar image type stores presence/absence of an image to be displayed together with the substance of the literary calendar, a size of the image for display, or the like. (G4-5) literary calendar BGM stores the identification information for specifying a BGM in displaying the substance of the literary calendar.

In addition, (G5) motion picture information stores the item substantially the same as (F5) motion picture information included in the weekly calendar data shown in FIG. 47A.

Referring next to FIGS. 48 and 49, a calendar subroutine (details in step S166 in FIG. 23) providing the calendar function shown in FIGS. 44 and 45 above will be described. Each step shown in FIGS. 48 and 49 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIGS. 48 and 49, initially, CPU 40 of game device 12 downloads the weekly calendar data from distribution server 104 (step S600). In successive step S602, CPU 40 downloads the thumbnail image of the content corresponding to each motion picture ID based on the motion picture ID included in the downloaded weekly calendar data. In further successive step S604, CPU 40 sends a query to mail server 102 and downloads a message for which any day in the week included in that downloaded weekly calendar data is designated to be opened, CPU 40 causes reception message box 44b of flash memory 44 to store the downloaded message.

Thereafter, in step S606, CPU 40 has the weekly calendar as shown in FIG. 44 displayed based on the downloaded weekly calendar data and the message. In successive step S608, CPU 40 refers to ROM/RTC 48 to obtain the current time and day, and determines whether or not the current time point is within an accessible time period (a period from the time and day of start of availability to the time and day of end of availability) of (F5) motion picture information included in the downloaded weekly calendar data. When the current time point is within the accessible time period (YES in step S608), the process proceeds to step S610. On the other hand, when the current time point is not within the accessible time period (NO in step S608), the process proceeds to step S612.

In step S610, CPU 40 has the thumbnail image corresponding to (F5) motion picture information of interest displayed, as surrounded by a bold frame indicating that the content is selectable. Thereafter, the process proceeds to step S613.

In step S612, CPU 40 has the thumbnail image corresponding to (F5) motion picture information of interest displayed in a normal manner indicating that the content is not selectable. Thereafter, the process proceeds to step S613.

In step S613, CPU 40 determines whether the processing for every (F5) motion picture information included in the downloaded weekly calendar data has been completed or not. When the processing for every (F5) motion picture information included in the downloaded weekly calendar data has not been completed (NO in step S613), the processing in step S608 and subsequent steps is repeated. On the other hand, when the processing for every (F5) motion picture information included in the downloaded weekly calendar data has been completed (YES in step S613), the process proceeds to step S614. At this time point, display of weekly calendar screen 700 as shown in FIG. 44 is completed.

In step S614, CPU 40 determines whether a next week or a previous week relative to the currently displayed week has been selected or not. When the next week or the previous week relative to the currently displayed week is selected (YES in step S614), the processing in step S600 and subsequent steps is repeated. When the next week or the previous week relative to the currently displayed week is not selected (NO in step S614), the process proceeds to step S616.

In step S616, CPU 40 determines whether a message icon has been selected or not. When the message icon is selected (YES in step S616), the process proceeds to step S617. On the other hand, when the message icon is not selected (NO in step S616), the process proceeds to step S620.

In step S617, CPU 40 refers to ROM/RTC 48 to obtain the current time, and determines whether the current time point coincides with the date brought in correspondence with the selected message icon or has passed that date. When the current time point coincides with the date brought in correspondence with the selected message icon or has passed that date (YES in step S617), the process proceeds to step S618. On the other hand, when the current time point does not coincide with the date brought in correspondence with the selected message icon and has not passed that date (NO in step S617), the processing in step S618 is skipped and the process proceeds to step S620.

In step S618, CPU 40 has the substance stored in reception message box 44b of flash memory 44 displayed in a selectable manner. Namely, a message transmitted from another game device 12 or the like via mail server 102 may be attached with a year, month and day designated as the day to open the message and such a message of which day of opening is designated is stored in transmission message box 44a in correspondence with the designated date. In addition, in calendar screen 700 as well, the message is displayed in correspondence with the designated date. Such a message to which the designated day of opening has been added is typically intended to be read on a specific day such as a birthday or some kind of anniversary. Therefore, CPU 40 of game device 12 prohibits accessing by the user of such a message to which the designated day of opening has been added until the designated day of opening comes. Namely, CPU 40 outputs the message only when the designated day of opening added to the received message coincides with the current time point or the current time point has passed the designated day of opening. Then, the process proceeds to step S620.

In step S620, CPU 40 determines whether any thumbnail image displayed in the weekly calendar has been selected or not. When any thumbnail image is selected (YES in step S620), the process proceeds to step S622. On the other hand, when no thumbnail image is selected (NO in step S620), the process proceeds to step S626.

In step S622, CPU 40 refers to ROM/RTC 48 to obtain the current time and day, and determines whether the current time point is within the accessible time period (the period from the time and day of start of availability to the time and day of end of availability) of the content (motion picture) corresponding to the selected thumbnail image. More specifically, CPU 40 specifies the motion picture ID brought in correspondence with the selected thumbnail image and obtains (F5-3) time and day of start of availability and (F5-4) time and day of end of availability corresponding to that motion picture ID described in the downloaded weekly calendar data. Then, CPU 40 compares the obtained time and day of start of availability and time and day of end of availability with the current time point (current date).

When the current time point is within the accessible time period of the content (motion picture) corresponding to the selected thumbnail image (YES in step S622), the motion picture reproduction subroutine is executed (step S624). After this motion picture reproduction subroutine is executed, the process proceeds to step S626. On the other hand, when the current time point is not within the accessible time period of the content (motion picture) corresponding to the selected thumbnail image (NO in step S622), CPU 40 prohibits reproduction of the selected content (motion picture). Then, the process proceeds to step S626.

In step S626, CPU 40 determines whether any date displayed in the weekly calendar has been selected or not. When any date is selected (YES in step S626), the process proceeds to step S628. On the other hand, when no date is selected (NO in step S628), the process proceeds to step S662.

In step S628, the daily calendar data in connection with the selected date is downloaded. In successive step S630, CPU 40 downloads the thumbnail image of the content corresponding to each motion picture ID based on the motion picture ID included in the downloaded daily calendar data.

Thereafter in step S632, CPU 40 has the daily calendar as shown in FIG. 45 displayed, based on the downloaded daily calendar data and the message. In successive step S634, CPU 40 refers to ROM/RTC 48 to obtain the current time and day, and determines whether the current time point is within the accessible time period (the period from the time and day of start of availability to the time and day of end of availability) of (G5) motion picture information included in the downloaded daily calendar data. When the current time point is within the accessible time period (YES in step S634), the process proceeds to step S636. On the other hand, when the current time point is not within the accessible time period (NO in step S634), the process proceeds to step S638.

In step S636, CPU 40 has the thumbnail image corresponding to (G5) motion picture information of interest displayed, as surrounded by a bold frame indicating that the content is selectable. Thereafter, the process proceeds to step S639.

In step S638, CPU 40 has the thumbnail image corresponding to (G5) motion picture information of interest displayed in a normal manner indicating that the content is not selectable. Thereafter, the process proceeds to step S639.

In step S639, CPU 40 determines whether the processing for every (G5) motion picture information included in the downloaded daily calendar data has been completed or not. When the processing for every (G5) motion picture information included in the downloaded daily calendar data has not been completed (NO in step S639), the processing in step S634 and subsequent steps is repeated. On the other hand, when the processing for every (G5) motion picture information included in the downloaded daily calendar data has been completed (YES in step S639), the process proceeds to step S640. At this time point, display of daily calendar screen 750 as shown in FIG. 45 is completed.

In step S640, CPU 40 determines whether a next day or a previous day relative to the currently displayed day has been selected or not. When the next day or the previous day relative to the currently displayed day is selected (YES in step S640), the processing in step S628 and subsequent steps is repeated. When the next day or the previous day relative to the currently displayed day is not selected (NO in step S640), the process proceeds to step S642.

In step S642, CPU 40 determines whether “send message on this day” button 724 has been selected or not. When “send message on this day” button 724 is selected (YES in step S642), the process proceeds to step S644. On the other hand, when “send message on this day” button 724 is not selected (NO in step S642), the process proceeds to step S646.

In step S644, CPU 40 executes the message creation subroutine assuming the selected date in the calendar as the year, month and day of interest. The year, month and day of interest is added as information indicating the designated day of opening the created message. After this message creation subroutine is executed, the process proceeds to step S646.

In step S646, CPU 40 determines whether a message icon has been selected or not. When the message icon is selected (YES in step S646), the process proceeds to step S648. On the other hand, when the message icon is not selected (NO in step S646), the process proceeds to step S652.

In step S648, CPU 40 refers to ROM/RTC 48 to obtain the current time and day, and determines whether the current time point coincides with the date brought in correspondence with the selected message icon or has passed that date. When the current time point coincides with the date brought in correspondence with the selected message icon or has passed that date (YES in step S648), the process proceeds to step S650. On the other hand, when the current time point does not coincide with the date brought in correspondence with the selected message icon and has not passed that date (NO in step S648), the processing in step S650 is skipped and the process proceeds to step S652.

In step S650, CPU 40 has the substance stored in reception message box 44b of flash memory 44 displayed in a selectable manner. Then, the process proceeds to step S652.

In step S652, CPU 40 determines whether any thumbnail image displayed in the daily calendar has been selected or not. When any thumbnail image is selected (YES in step S652), the process proceeds to step S654. On the other hand, when no thumbnail image is selected (NO in step S652), the process proceeds to step S658.

In step S654, CPU 40 refers to ROM/RTC 48 to obtain the current time and day, and determines whether the current time point is within the accessible time period (the period from the time and day of start of availability to the time and day of end of availability) of the content (motion picture) corresponding to the selected thumbnail image. More specifically, CPU 40 specifies the motion picture ID brought in correspondence with the selected thumbnail image and obtains (G5-3) time and day of start of availability and (G5-4) time and day of end of availability corresponding to the motion picture ID described in the downloaded daily calendar data. Then, CPU 40 compares the obtained time and day of start of availability and time and day of end of availability with the current time point (current date).

When the current time point is within the accessible time period of the content (motion picture) corresponding to the selected thumbnail image (YES in step S654), the motion picture reproduction subroutine is executed (step S656). After this motion picture reproduction subroutine is executed, the process proceeds to step S658. On the other hand, when the current time point is not within the accessible time period of the content (motion picture) corresponding to the selected thumbnail image (NO in step S654), CPU 40 prohibits reproduction of the selected content (motion picture). Then, the process proceeds to step S658.

In step S658, CPU 40 determines whether any literary calendar headword displayed in the daily calendar has been selected or not. When any literary calendar headword is selected (YES in step S658), the process proceeds to step S660. On the other hand, when no literary calendar headword is selected (NO in step S658), the process returns to step S640.

In step S660, CPU 40 has a more detailed literary calendar displayed based on the image and/or the literary calendar texts brought in correspondence with the selected literary calendar. Thereafter, the process returns to step S640.

In step S662, CPU 40 determines whether the “back” button has been selected or not. When the “back” button is selected (YES in step S662), the process returns. On the other hand, when the “back” button is not selected (NO in step S662), the process returns to step S614.

In the weekly calendar data shown in FIG. 47A, a configuration in which whether distribution of the content to the user is permitted or not is determined based on the time and day defined by (F5-3) time and day of start of availability and (F5-4) time and day of end of availability has been illustrated.

Instead of such a configuration, a configuration using the intended time and day at which distribution of the content is started and information indicating whether or not to permit distribution of the content prior to that time and day may be adopted. FIG. 50 shows an exemplary data structure of weekly calendar data according to a variation of the embodiment of the present invention. The weekly calendar data shown in FIG. 50 includes (F5-3′) a selection permission flag instead of (F5-3) time and day of start of availability and (F5-4) time and day of end of availability in the weekly calendar data shown in FIG. 47A. (F5-3′) selection permission flag stores a flag value as to whether or not to permit distribution of a content of interest prior to a day of release, which is (F-1) year, month and day of interest.

More specifically, when any content (or thumbnail image indicating the content) is selected, CPU 40 of game device 12 refers to ROM/RTC 48 to obtain the current time and day, and refers to the corresponding weekly calendar data. Then, CPU 40 determines whether the current time point is after (F1) year, month and day of interest or not. When the current time point is after (F1) year, month and day of interest, downloading and reproduction of the selected content is started. On the other hand, when the current time point is not after (F1) year, month and day of interest, CPU 40 of game device 12 refers to (F5-3′) selection permission flag and when this flag value permits distribution prior to the day of release, downloading and reproduction of the selected content is started. In contrast, when the flag value stored in (F5-3′) selection permission flag does not permit distribution prior to the day of release, downloading of the selected content is not performed.

Referring next to FIGS. 51A to 51D, processing performed when the user operates controller 22 to select television object 512 displayed on the main screen will be described. When television object 512 is selected on the main screen shown in FIG. 11, CPU 40 of game device 12 has the content selection screen as shown in FIG. 51A displayed, by executing the content search subroutine.

In the content selection screen shown in FIG. 51A, such animation that a plurality of characters behave in a predetermined manner is shown. More specifically, functions of “new arrival content display,” “high-satisfaction content display,” “recommended content display,” and “favorite content display” are allocated to characters 802, 804, 806, and 808 respectively, and when the user operates controller 22 to point to any character with a cursor or the like, explanation thereof is displayed in a balloon object. In addition, when the user operates controller 22 to select any character, a list of contents in accordance with the corresponding function is displayed. When any content is selected, the motion picture reproduction subroutine as shown in FIG. 29 is executed.

In the content selection screen shown in FIG. 51A, foliage plant object 812 is displayed in a selectable manner, and when the user operates controller 22 to select foliage plant object 812, the sponsor selection screen subroutine as shown in FIG. 34 is executed.

In addition, a function of “content search” is allocated to character 810, and when the user operates controller 22 to select character 810, a screen providing the content search function as shown in FIGS. 51B to 51D is displayed.

Namely, when character 810 is selected, CPU 40 of game device 12 has a search keyword entry screen as shown in FIG. 51B displayed. In the search keyword entry screen shown in FIG. 51B, an entry box 820 for entering a keyword, an “enter again” button 824, and a “search with this word” button 826 are displayed. Moreover, in a balloon object 822 proximate to the character, a message that “do you want to start search for video with this keyword?” is displayed.

When the user selects entry box 820, CPU 40 of game device 12 has a character input screen, for example like a keyboard, displayed. As the user successively selects an icon corresponding to a key of the keyboard displayed on this character input screen, a character is input in entry box 820. Thereafter, when the user selects “search with this word” button 826, CPU 40 of game device 12 transmits the input message to distribution server 104. On the other hand, when the user selects “enter again” button 824, CPU 40 of game device 12 resets the character string entered in entry box 820.

Distribution server 104 basically regards all contents present in the server itself as search targets. Namely, when distribution server 104 receives a keyword from any game device 12, distribution server 104 extracts motion picture information including all or a part of the received keyword(s) among motion picture information brought in correspondence with all contents stored in the server itself. In addition, distribution server 104 sends back to game device 12, representative thumbnail image of each content corresponding to the extracted motion picture and information indicating the number of extracted contents. Game device 12 that received this information has the search result screen as shown in FIG. 51C displayed.

During a period from transmission of a search keyword to distribution server 104 until reception of a search result from distribution server 104, CPU 40 of game device 12 may display such a message as “now searching for video . . . wait for a moment” in a balloon object proximate to the character, in order to inform the user of the fact that search is in progress.

In the search result screen shown in FIG. 51C, a balloon object 830 proximate to the character shows the number of contents retrieved as hits, such as “102 videos were found.” At the same time, in the search result screen shown in FIG. 51C, thumbnail images 834 of contents (in the example in FIG. 51C, four contents) having motion picture information having a relatively high hit rate among the retrieved contents are displayed. In the search result screen shown in FIG. 51C, a “more” button 832 is displayed, and when the user selects this “more” button 832, thumbnail images of more retrieved contents are displayed.

When a search result received from distribution server 104 indicates zero, that is, when no content that hits the search keyword was found, a message urging the user to enter again a keyword may be displayed. For example, CPU 40 of game device 12 causes a balloon object proximate to the character to display a message: “No video corresponding to that keyword was found. Try another keyword.”

When the user selects any thumbnail image in the search result screen shown in FIG. 51C, CPU 40 of game device 12 has a reproduction confirmation screen shown in FIG. 51D displayed. In the reproduction confirmation screen shown in FIG. 51D, a selected thumbnail image 840 is zoomed in for display and a comment thereon is displayed in a balloon object 842 (in the example shown in FIG. 51D, “secret of AAA!”). In addition, in the reproduction confirmation screen shown in FIG. 5D, a “watch this” button 844 is also displayed, and when the user selects this “watch this” button 844, reproduction of the selected content is started.

Referring next to FIG. 52, data exchange in the search function shown in FIGS. 51A to 51D above will be described.

Referring to FIG. 52, when a user's operation to indicate execution of the search function is performed (sequence SQ400), CPU 40 of game device 12 starts execution of the search function (sequence SQ402). In succession, when a users operation to enter a search keyword is performed (sequence SQ404), CPU 40 of game device 12 accepts the entered keyword (sequence SQ406). In addition, when a user's operation to indicate start of search is performed (sequence SQ408), CPU 40 of game device 12 transmits an entered keyword to distribution server 104 (sequence SQ410).

In response to this transmitted keyword, distribution server 104 performs search processing based on the keyword for the motion picture information brought in correspondence with each content stored in the server itself (sequence SQ412). Then, distribution server 104 transmits a search result extracted in the search processing and a thumbnail image included in the search result to game device 12 (sequence SQ414).

CPU 40 of game device 12 has the search result as shown in FIG. 51C displayed based on the search result and the thumbnail image received from distribution server 104 (sequence SQ416). Thereafter, when a user's operation to request more retrieved contents is performed (sequence SQ418), CPU 40 of game device 12 transmits an update request to distribution server 104 (sequence SQ420). In response to this update request, distribution server 104 transmits a thumbnail image that has not yet been transmitted in the extracted search result to game device 12 (sequence SQ422). CPU 40 of game device 12 updates display of the search result based on a new thumbnail image received from distribution server 104 (sequence SQ424).

In addition, when a user's operation to indicate selection of any motion picture content is performed (sequence SQ426), CPU 40 of game device 12 transmits a distribution request including the motion picture ID corresponding to the selected content to distribution server 104 (sequence SQ428). In response to this distribution request, distribution server 104 starts distribution (typically, streaming-play) of the designated content stored in the server itself to game device 12 (sequence SQ430). CPU 40 of game device 12 generates this distributed motion picture (sequence SQ432).

Referring next to FIGS. 53 and 54, the content search subroutine (details in step S170 in FIG. 23) providing the search function shown in FIGS. 51A to 51D above will be described. Each step shown in FIGS. 53 and 54 is provided by execution of the content distribution application according to the present embodiment by CPU 40 of game device 12.

Referring to FIGS. 53 and 54, initially, CPU 40 of game device 12 downloads data for displaying a character on the content selection screen shown in FIG. 51A from distribution server 104 (step S700). In successive step S702, CPU 40 downloads a thumbnail image to be displayed in association with each downloaded character from distribution server 104. Namely, CPU 40 obtains thumbnail images representative of a “new arrival content,” a “high-satisfaction content,” a “recommended content”, and a “favorite content” displayed on the content selection screen shown in FIG. 51A, respectively. Thereafter, in step S704, CPU 40 causes monitor 34 to display the content selection screen shown in FIG. 51A. Then, the process proceeds to step S706.

In step S706, CPU 40 determines whether any character on the content selection screen shown in FIG. 51A has been pointed or not. When any character on the content selection screen has been pointed (YES in step S706), the process proceeds to step S708. On the other hand, when no character on the content selection screen is pointed (NO in step S706), the process proceeds to step S710.

In step S708, CPU 40 causes monitor 34 to display a balloon object including explanation corresponding to the pointed character. Thereafter, the process proceeds to step S710.

In step S710, CPU 40 determines whether character 802 associated with the “new arrival content” has been selected or not. When character 802 associated with the “new arrival content” is selected (YES in step S710), CPU 40 has contents registered as “new arrival contents” displayed in a list (step S712). It is noted that information on contents registered as the “new arrival contents” is downloaded from distribution server 104 at appropriate timing. Then, the process proceeds to step S726.

On the other hand, when character 802 associated with the “new arrival content” is not selected (NO in step S710), CPU 40 determines whether character 804 associated with the “high-satisfaction content” is selected or not (step S714). When character 804 associated with the “high-satisfaction content” is selected (YES in step S714), CPU 40 has contents registered as the “high-satisfaction contents” displayed in a list (step S716). Then, the process proceeds to step S726.

On the other hand, when character 804 associated with the “high-satisfaction content” is not selected (O in step S714), CPU 40 determines whether character 806 associated with the “recommended content” has been selected or not (step S718). When character 806 associated with the “recommended content” is selected (YES in step S718), CPU 40 has contents registered as the “recommended contents” displayed in a list (step S720). Then, the process proceeds to step S726.

On the other hand, when character 806 associated with the “recommended content” is not selected (NO in step S718), CPU 40 determines whether character 808 associated with the “favorite content” has been selected or not (step S722). When character 808 associated with the “favorite content” is selected (YES in step S722), CPU 40 has contents registered as the “favorite contents” displayed in a list (step S724). Then, the process proceeds to step S726.

On the other hand, when character 808 associated with the “favorite content” is not selected (NO in step S722), the process proceeds to step S730.

In step S726, CPU 40 determines whether any content in a list of displayed contents has been selected or not. When no content in the list of displayed contents is selected (NO in step S726), the processing in step S726 and subsequent step is repeated.

On the other hand, when any content in the list of displayed contents is selected (YES in step S726), CPU 40 executes the motion picture reproduction subroutine for reproducing the selected content (step S728). After this motion picture reproduction subroutine is executed, the process returns to step S706.

In contrast, in step S730, CPU 40 determines whether foliage plant object 812 has been selected or not. When foliage plant object 812 is selected (YES in step S730), CPU 40 executes the sponsor selection screen subroutine (step S732). After the sponsor selection screen subroutine is executed, the process returns to step S706.

On the other hand, when foliage plant object 812 is not selected (NO in step S730), CPU 40 determines whether character 810 associated with “content search” has been selected or not (step S734). When character 810 associated with “content search” is not selected (NO in step S734), the process returns to step S706.

On the other hand, when character 810 associated with “content search” is selected (YES in step S734), CPU 40 has the search keyword entry screen as shown in FIG. 51B displayed (step S736). In successive step S738, CPU 40 determines whether any keyword has been entered in the search keyword entry screen or not. When no keyword is entered in the search keyword entry screen (NO in step S738), the processing in step S738 is repeated.

On the other hand, when some keyword is entered in the search keyword entry screen (YES in step S738), CPU 40 causes the buffer to store the entered keyword (step S740). In successive step S742, CPU 40 determines whether “enter again” button 824 in the search keyword entry screen as shown in FIG. 51B has been selected or not. When “enter again” button 824 is selected (YES in step S742), CPU 40 resets the keyword stored in the buffer (step S744). Thereafter, the process returns to step S738.

On the other hand, when “enter again” button 824 is not selected (NO in step S742), CPU 40 determines whether “search with this word” button 926 in the search keyword entry screen shown in FIG. 51B has been selected or not (step S746). When “search with this word” button 826 is not selected (NO in step S746), the process returns to step S738.

In contrast, when “search with this word” button 826 is selected (YES in step S746), CPU 40 transmits the keyword stored in the buffer to distribution server 104 (step S747). In successive step S748, CPU 40 determines whether the search result and the thumbnail image have been received from distribution server 104 or not. When the search result and the thumbnail image have not been received from distribution server 104 (NO in step S748), the processing in step S748 is repeated.

On the other hand, when the search result and the thumbnail image are received from distribution server 104 (YES in step S748), CPU 40 has the search result as shown in FIG. 51C displayed based on the search result and the thumbnail image received from distribution server 104 (step S750). In successive step S752, CPU 40 determines whether “more” button 832 in the search result screen as shown in FIG. 51C has been selected or not (step S752). When “more” button 832 is not selected (NO in step S752), the process proceeds to step S760.

In contrast, when “more” button 832 is selected (YES in step S752), CPU 40 transmits the update request for updating the search result to distribution server 104 (step S754). In successive step S756, CPU 40 determines whether a new thumbnail image has been received from distribution server 104 or not. When the new thumbnail image is not received from distribution server 104 (NO in step S756), the processing in step S756 is repeated.

On the other hand, when the new thumbnail image is received from distribution server 104 (YES in step S756), CPU 40 updates the search result as shown in FIG. 51C based on the new thumbnail image received from distribution server 104 (step S758). Thereafter, the process proceeds to step S760.

In step S760, CPU 40 determines whether any content in the list of contents displayed as the search result has been selected or not. When no content is selected (NO in step S760), the processing in step S760 and subsequent step is repeated.

On the other hand, when any content is selected (YES in step S760), CPU 40 has the reproduction confirmation screen for the selected content as shown in FIG. 51D displayed (step S762). In successive step S764, CPU 40 determines whether “watch this” button 844 in the reproduction confirmation screen as shown in FIG. 51D has been selected or not. When “watch this” button 844 is not selected (NO in step S764), the process returns to step S764.

On the other hand, when “watch this” button 844 is selected (YES in step S764), CPU 40 executes the motion picture reproduction subroutine in order to reproduce the selected content (step S766). After this motion picture reproduction subroutine is executed, the process returns to step S706.

Other Embodiments

In the embodiments described above, game device 12 and portable game device 210 have been illustrated by way of representative examples of the information processing device according to the present invention, however, the information processing device is not limited thereto. Namely, an application executable by a personal computer may be provided as a program according to the present invention. Here, the program according to the present invention may be incorporated as a partial function of various applications executed on the personal computer.

Although the present invention has been described and illustrated in detail, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, the scope of the present invention being interpreted by the terms of the appended claims.

Number	Name	Date	Kind
6351763	Kawanaka	Feb 2002	B1
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Number	Date	Country
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9-023391	Jan 1997	JP
11-203215	Jul 1999	JP
2001-189896	Jul 2001	JP
2001-204005	Jul 2001	JP
2001-242777	Sep 2001	JP
2002-109359	Apr 2002	JP
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2003-251071	Sep 2003	JP
2003-331138	Nov 2003	JP
2004-194136	Aug 2004	JP
2004-280667	Oct 2004	JP
2004-287851	Oct 2004	JP
2005-018212	Jan 2005	JP
2005018212	Jan 2005	JP
2005-039749	Feb 2005	JP
2005-086811	Mar 2005	JP
2005-094765	Apr 2005	JP
2005-190325	Jul 2005	JP
2005-352651	Dec 2005	JP
2006-094342	Apr 2006	JP
2006-107260	Apr 2006	JP
2007-110502	Apr 2007	JP
2007-219739	Aug 2007	JP
2007-274642	Oct 2007	JP
2007-323370	Dec 2007	JP
2008-017372	Jan 2008	JP
2008-113231	May 2008	JP
2008-140060	Jun 2008	JP
2009-267655	Nov 2009	JP
2010-535362	Nov 2010	JP
99-14947	Mar 1999	WO
01-39501	May 2001	WO
WO 0184334	Nov 2001	WO
03094072	Nov 2003	WO
2007120981	Oct 2007	WO
2008016611	Feb 2008	WO
2008-104784	Apr 2008	WO
2008-055140	Aug 2008	WO
2008-108965	Sep 2008	WO

Information processing system relating to content distribution, storage medium for storing program directed thereto, and information processing device

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US Referenced Citations (44)

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Non-Patent Literature Citations (16)

Related Publications (1)

Entry
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