1. Field of the Invention
The present invention relates to a system to support sales at the time when a purchaser buys goods, by providing information on stores dealing in those goods, in particular, a sales supporting system associated with a navigation system and a method thereof.
2. Description of the Related Art
In recent years, as a result of enhancement in communication system such as the Internet or i-mode of mobile phones, data communication has become common for wide and general use. As a result, such a conduct has become a broad custom that stores disclose information such as kinds of goods the stores are dealing in and prices for respective goods to users of the stores using data communication so that the user can select stores based on the information that the stores disclosed.
In general, when a purchaser selects a store, he/she selects in consideration of availability of goods and their prices, and in addition thereto, in many cases, selects stores to purchase goods in consideration of troubles for a visit to stores, costs (for example, train fares), etc. In addition, in the case where there is a destination having been set for another purpose, it often occurs that, by standing by at stores on the way to the above-described destination, troubles for a visit to stores and costs (for example train fares, etc.) are limited to a smaller amount. In this case, the purchaser selects the store where he/she purchases goods in consideration of troubles for he/she to stop by at the store, extra costs (for example train fares), etc., that will become necessary in case of stopping-by at the store. An example of a process when a purchaser selects stores where he/she is considering stopping-by on his/her way to a destination having been set for another purpose will be described below with reference to
In Step 101, the purchaser looks into a position of a store that deals in desired goods and prices for the goods with a communication system such as the Internet or an i-mode in mobile phones, etc., or information magazines being generally on the market in towns. In Step 102, a difference in the time required on a route to head for a destination via the store as well as a difference in costs for movement is estimated. In Step 103, in consideration of the price for the goods investigated in Step 101 and the difference in the time required or the costs having been estimated in Step 102, decision making on whether or not to purchase the goods is executed. In the case where decision making for a purchase is executed in Step 103, he/she visits the store to purchase the goods in Step 104. On the other hand, in the case where decision making not to purchase is executed in Step 103, decision making on whether or not investigation on stores should be continued in Step 105, and if the investigation on the stores should be continued, he/she returns to the process of Step 101. On the other hand, if there is no intention to investigate on stores, purchase of goods is given up and the step comes to an end.
It will be troublesome or trouble a purchaser much for the purchaser to decide on a store to purchase goods through a process as described above. For example, in the procedure of Step 101, the purchaser looks into the position of the store that deals in the desired goods and the prices for the goods with the communication system such as the Internet or the i-mode in mobile phones, etc., or information magazines being generally on the market, but in order to select out necessary information from a variety of pieces of information on a number of stores, searching needs to be repeated a certain number of times and incurs troubles.
In the procedure of Step 102, a difference in the time required on the route to head for the destination via the store as well as a difference in costs for movement is estimated, but in order for the purchaser to execute estimation directly, it is necessary for the purchaser to be familiar with maps and information on transportation systems to a certain extent, and in the case where the purchaser is not an expert on maps and information on transportation systems, it is difficult to execute the above-described estimation. There is also a method of executing estimation with information publicized in road maps and time tables, but it requires extreme troubles.
Moreover, as a means for obtaining information for estimation, there is a method of using a navigation system and the like that has recently been put into practical use. The navigation system is a system to calculate and guide a route or a time required from a certain spot to another spot as well as costs for movement, etc., and for example a car navigation system installed in automobiles and a system for executing route guidance with a mobile phone terminal and the like have become available for practical use. With the navigation system, a route or a time required as well as costs for movements can be calculated comparatively easily. However, in order to calculate an increment of a time required via the store and an increment of the costs required for movements, the purchaser needs to search for at least two or more routes with the navigation system, which is troublesome.
It could come to a purchaser's mind on purchasing of goods while he/she is driving an automobile or walking, but in the case where the purchaser is driving an automobile or in the case where he/she is walking, it is in fact impossible to select stores subject to troublesome operations as described above, and thus the purchaser cannot select a more suitable store with information such as kinds of goods that the store is dealing in and the prices for respective goods.
The present invention is intended to solve the problems described above, and has for its object to provide a sales supporting system associated with a navigations system and a method thereof capable of providing information on stores suitable for a purchaser without troubling the purchaser.
Bearing the above object in mind, according to a first aspect of the present invention, there is provided a sales supporting system associated with a navigation system to provide store information, the sales supporting system comprising: store information transmitting means for transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; means for guiding routes to destinations that purchasers set optionally; store listing means for listing stores that deal in goods for desired purchase according to inputs of the purchasers based on the store information transmitted by the store information transmitting means; means for calculating costs C2 necessary for movements to the destinations via the listed stores respectively; priority setting means for calculating priority level judging parameters P from sums of the costs C2 and prices of the goods to give higher priority to stores for purchase in order of smaller priority level judging parameters P; and means for notifying the purchasers of store information based on the set priority.
According to a second aspect of the present invention, there is provided a sales supporting system associated with a navigation system to provide store information, the sales supporting system comprising: store information transmitting means for transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; means for guiding routes to destinations that purchasers set optionally; store listing means for listing stores that deal in goods for desired purchase according to inputs of the purchasers based on the store information transmitted by the store information transmitting means; means for calculating predicted values of required times T2 necessary for movements to the destinations via the listed stores respectively; priority setting means for calculating priority level judging parameters P from the predicted values of required times T2 to give higher priority to stores for purchase in order of smaller priority level judging parameters P; and means for notifying the purchasers of store information based on the set priority.
According to a third aspect of the present invention, there is provided a sales supporting system associated with a navigation system to provide store information, the sales supporting system comprising: store information transmitting means for transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; means for guiding routes to destinations that purchasers set optionally; means for calculating costs C1 necessary for movements to the destinations and predicted values of required times T1 necessary for movements to the destinations; store listing means for listing stores that deal in goods for desired purchase according to inputs of the purchasers based on the store information transmitted by the store information transmitting means; means for calculating costs C2 necessary for movements to the destinations via the listed stores respectively and the predicted values of required times T2 necessary for movements to the destinations via the listed stores respectively; means for calculating priority level judging parameters Pc on costs, in the case where a route undergoes changes, based on sums of balances between the costs C2 subject to route changes and the costs C1 prior to route changes and prices of the goods; means for calculating priority level judging parameters Pt on time from increased portions of required times given by the required times T1 and T2; priority setting means for calculating comprehensive priority level judging parameters P according to a formula P=Wc×Pc+Wt×Pt with weighting Wc toward priority levels on costs and weighting Wt toward priority levels on time that are set in advance, to give higher priority to stores for purchase in order of smaller comprehensive priority level judging parameters P; and means for notifying the purchasers of store information based on the set priority.
In a preferred form of the third aspect of the present invention, the sales supporting system further comprises means for enabling the purchasers to set both or either one of weighting Wc toward priority levels on costs and weighting Wt toward priority levels on time in accordance with situations.
In another preferred form of the first through third aspects of the present invention, the store information transmitting means comprises means for setting prices based on positions of the purchasers.
In a further preferred form of the first through third aspects of the present invention, the store information transmitting means transmits store information through a server that is brought into connection with a general-purpose data communication system.
In a still further preferred form of the first through third aspects of the present invention, the store information transmitting means transmits store information through a narrow area communication apparatus that is provided on a movement route in the vicinity of the stores.
In a yet further preferred form of the first through third aspects of the present invention, the store listing means comprises store information storage means for storing the store information transmitted from the store information transmitting means, and the store listing means lists stores that are dealing in goods for desired purchases from the store information stored in the store information storage means.
Preferably, the store information storage means comprises: means for counting a lapsed time from the time when store information is transmitted from the store information transmitting means or from the time when the store listing means receives store information; and means for disposing of, among the store information stored, pieces of store information for which the lapsed time exceeds a threshold value set in advance.
Preferably, the store information transmitting means transmits a period of validity on store information together with the store information, and the store information storage means comprises means for storing the period of validity on store information together with the store information and disposing of, among the store information stored, pieces of store information for which the period of validity is exceeded.
Preferably, the store information storage means comprises: means for counting distances that the purchasers move from the time when the store information is transmitted from the store information transmitting means or from the time when the store listing means receives the store information; and means for disposing of, among the store information stored, pieces of store information for which the distances exceed a threshold value set in advance.
Preferably, the sales supporting system further comprises means for specifying current positions of the purchasers. The store information storage means comprises: means for giving distances between the current positions of the purchasers and the stores based on information on the current positions of the purchasers, which are given by the means for specifying current positions of the purchasers, and positions of the stores included in the store information; and means for deleting, among the store information stored, pieces of store information for which the distances exceed a threshold value set in advance.
Preferably, the store information storage means comprises means for deleting, among the store information currently stored, the oldest pieces of information in terms of received time thereof from storage when a region to store information is fulfilled so as to store newly received pieces of store information.
Preferably, the sales supporting system further comprises means for specifying current positions of the purchasers. The store information storage means comprises: store-to-purchaser distance calculation means for giving distances between the current positions of the purchasers and the stores based on information on the current positions of purchasers, which are given by the means for specifying current positions of the purchasers, and positions of the stores included in the store information; means for comparing the largest distance among the distances of the currently stored store information given by the store-to-purchaser distance calculation means with the distance of newly received store information given by the store-to-purchaser distance calculation means when a region to store information is fulfilled; and means for deleting from storage a piece of information of the largest distance given by the store-to-purchaser distance calculation means among the distances of the store information currently stored so as to store newly received store information in the case where the distance of the newly received store information is smaller than or equal to any of the distances of the store information currently stored.
Preferably, the sales supporting system further comprises: means for confirming purchase intentions of the purchasers; booking fare charging means for charging booking fares to the purchasers based on the purchase intentions of the purchasers; and booking fare charging certifying means for certifying to stores that booking fares are already charged to the purchasers who visited the stores.
Preferably, the booking fare charging means comprises means for setting periods of validity of bookings at the time of charging, and the booking fare charging certifying means comprises means for certifying that bookings are within the periods of validity.
According to a fourth aspect of the present invention, there is provided a sales supporting method associated with a navigation system to provide store information, the method comprising: a step of transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; a step of guiding routes to destinations that purchasers set optionally; a step of listing stores that deal in goods for desired purchase according to inputs of the purchasers based on store information transmitted by the store information transmitting process; a step of calculating costs C2 necessary for movements to the destinations via the listed stores respectively; a step of calculating priority level judging parameters P from sums of the costs C2 and prices of the goods to give higher priority to stores for purchase in order of smaller priority level judging parameters P; and a step of notifying the purchasers of store information based on the set priority.
According to a fifth aspect of the present invention, there is provided a sales supporting method associated with a navigation system to provide store information, the method comprising: a step of transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; a step of guiding routes to destinations that purchasers set optionally; a step of listing stores that deal in goods for desired purchase according to inputs of the purchasers based on the store information transmitted by the store information transmitting step; a step of calculating predicted values of required times T2 necessary for movements to the destinations via the listed stores respectively; a step of calculating priority level judging parameters P from the predicted values of required times T2 to give higher priority to stores for purchase in order of smaller priority level judging parameters P; and a step of notifying the purchasers of store information based on the set priority.
According to a sixth aspect of the present invention, there is provided a sales supporting method associated with a navigation system to provide store information, the method comprising: a step of transmitting store information including information on at least goods and prices that stores are dealing in, and positions of the stores; a step of guiding routes to destinations that purchasers set optionally; a step of calculating costs C1 necessary for movements to the destinations and predicted values of required times T1 necessary for movements to the destinations; a step of listing stores that deal in goods for desired purchase according to inputs of the purchasers based on the store information transmitted by the store information transmitting step; a step of calculating costs C2 necessary for movements to the destinations via the listed stores respectively and predicted values of required times T2 necessary for movements to the destinations via the listed stores respectively; a step of calculating priority level judging parameters Pc on costs, in the case where a route undergoes changes, based on sums of balances between the costs C2 subject to route changes and the costs C1 prior to route changes and prices of the goods; a step of calculating priority level judging parameters Pt on time from increased portions of required times given by the required times T1 and T2; a step of calculating comprehensive priority level judging parameters P according to a formula P=Wc×Pc+Wt×Pt with weighting Wc toward priority levels on cost and weighting Wt toward priority levels on time that are set in advance, to give higher priority to stores for purchase in order of smaller comprehensive priority level judging parameters P; and a step of notifying the purchasers of store information based on the set priority.
The above and other objects, features and advantages of the present invention will become more readily apparent to those skilled in the art from the following detailed description of preferred embodiments of the present invention taken in conjunction with the accompanying drawings.
Now, preferred embodiments of the present invention will be described below while referring to the accompanying drawings.
Embodiments 1
In addition,
In addition,
Next, bringing the functional block diagram in
The store information transmitting means 101 includes the store information sending server 3 and the mobile terminal 11 depicted in the apparatus configuration of
In the above-described case, corresponding to stock availability and prices, the store information is to be transmitted to the purchaser who requested utilization of the above-described system via mail, but the mobile terminal 11 side may be made to have a function to request to the store information sending server 3 transmission of required information so as to be constructed that the store information sending server 3 side transmits the store information required by the mobile terminal 11 in response to a request.
The store listing means 103 is provided inside the mobile terminal 11 depicted in the apparatus configuration of
In addition, the area to store the time when the store information was stored is also provided in the store information storage region. The area storing the time is always checked, and the store information that has spent a predetermined period or more after the time when it has been stored is deleted, that is, is erased.
In addition, in the case where the storage region corresponding to the good name in the store information newly received is already full, in the store information stored in the storage region, the one with the oldest storage time is deleted so that the above-described store information newly received in the region after deletion is stored. When the purchaser considers purchasing goods (reference should be made to Procedures 1 and 2 of
The route guiding means 105 includes the navigation server 5 and the mobile terminal 11 shown in the apparatus configuration view in
The movement costs calculating means 107 includes the navigation server 5 and the mobile terminal 11 shown in the apparatus configuration of
The priority setting means 109 is provided inside the mobile terminal 11 shown in the apparatus configuration of
In addition, the purchase costs may be calculated while taking other services into consideration. For the other services, for example, a service that a coupon depending on a purchase amount is issued to a purchaser by a store and the like is well known. For calculating purchase costs on a store where such services are offered, calculations may be executed including subtraction of the amount equivalent to the coupon so that further minute purchase costs can be calculated.
The store information notifying means 111 is provided inside the mobile terminal 11 shown in the apparatus configuration of
The purchase intention confirming means 115 is provided inside the mobile terminal 11 shown in the apparatus configuration of
The booking fare charging means 113 includes a mobile terminal 11 and a booking fare settling server 7 shown in an apparatus configuration of
The booking fare charging certifying means 117 includes the mobile terminal 11 and the booking fare settling server 7 shown in the apparatus configuration of
In the case where goods are purchased in stores, a purchaser tells the booking number to the store side, and the store side certifies that the booking fare is charged to the purchaser by confirming whether or not the told booking number corresponds to the above-described rule established in advance and whether or not the same booking number has been received (Procedure 5 in
With the construction described above, purchase of goods is proceeded according to the flow shown in
In Procedure 3, the purchaser expresses his/her intention for booking with a keyboard and the like. If he/she purchases, booking OK is selected. In Procedure 4, since the booking number is displayed on the display screen of the mobile terminal 11, the purchaser makes a note of this. In addition, at this point of time, the booking fare is charged. In addition, in Procedure 5, the purchaser visits the store and tells his booking number so that he/she can purchase the ticket.
Embodiments 2
In addition,
In addition,
Next, bringing the functional block diagram in
The store information transmitting means 101a includes the store information sending server 3 and the on-board side system 15 as depicted in the apparatus configuration of
The store listing means 103a is provided inside the on-board side system 15 as depicted in the apparatus configuration of
In addition, in the case where the storage region corresponding to the titles of goods in the store information newly received is already full, in the store information stored in the storage region, the one with the largest stored added-up distance is deleted so that the above-described store information newly received in the region after deletion is stored. When the purchaser considers purchasing goods (reference should be made to Procedures 1 to 3 of
The route guiding means 105a is provided inside the on-board side system 15 shown in the apparatus configuration of
The required-time calculating means 119a is provided inside the on-board side system 15 depicted in the apparatus configuration of
The priority setting means 109a is provided inside the on-board side system 15 shown in the apparatus configuration of
The store information notifying means 111a is provided inside the on-board side system 15 shown in the apparatus configuration of
The purchase intention confirming means 115a is provided inside the on-board side system 15 shown in the apparatus configuration of
The booking fare charging means 113a includes the on-board side system 15 and the booking fare settling server 7 shown in an apparatus configuration of
The booking fare charging certifying means 117a includes the store terminal 13 and the booking fare settling server 7 shown in the apparatus configuration of
With the construction described above, purchase of goods is proceeded according to the flow shown in
<Display on a display screen of the on-board side system 15 in Procedure 1>
>hamburger
fried chicken
chicken nugget
others
Then, in Procedure 2, on the display screen of the on-board side system 15, the stores are displayed in order of being most convenient for stopping-by. The purchaser selects “determine the store” if he/she purchases at the displayed store, or selects “next store” if he/she would like to see another store information.
<Display on a display screen of the on-board side system 15 in Procedure 2>
If the store is determined, the purchaser selects goods for purchase in Procedure 3.
<Display on a display screen of the on-board side system 15 in Procedure 3>
If selection on goods has been finalized, the purchaser expresses his/her intention on booking in Procedure 4.
<Display on a display screen of the on-board side system 15 in Procedure 4>
Moreover, in Procedure 5, the purchaser confirms the period of validity of the booking.
<Display on a display screen of the on-board side system 15 in Procedure 5>
The period of validity of the booking is (month) (day). Please visit the store by the end of the period of validity of the booking.
In addition, in Procedure 6, the purchaser visits the store within the period of validity of booking and can purchase the fast food. The store clerk punches the plate number or registration number of the vehicle which visits the store into the store terminal 13 and can know the booking fare charging state on the vehicle which visits the store.
Embodiment 3
In addition,
In addition,
Next, bringing the functional block diagram in
The store information transmitting means 101b includes the on-board side system 15, the store information sending server 3 and the DSRC roadside communication devices 19 on the surrounding roads depicted in the apparatus configuration of
The store listing means 103b is provided inside the on-board side system 15 depicted in the apparatus configuration of
In addition, in the case where the storage region is already full when store information is newly received, distances between the store positions and the system-mounted vehicle are calculated respectively on the store information stored in the storage region so that the one with the largest distance is deleted and the above-described newly received store information is stored in the region after deletion. When the purchaser considers purchasing goods (Procedures 1 to 3 in
The route guiding means 105b is provided inside the on-board side system 15 as shown in the apparatus configuration of
The required-time calculating means 119b is provided inside the on-board side system 15 depicted in the apparatus configuration of
The movement costs calculating means 107b is provided inside the on-board side system 15 shown in the apparatus configuration of
The weighting setting means 121b is provided inside the on-board side system 15 depicted in the apparatus configuration of
Incidentally, a normal value of weighting Wc toward the level of priority on costs and weighting Wt toward the level of priority on time is set to a value with which a general purchaser feels that the costs and time are balanced. For example, with weighting Wc=1 being set toward the level of priority on costs and with wages per unit hour for an average worker being set to weighting Wt toward the level of priority on time being given, weighting where the time and costs are balanced can be set for an average worker.
The priority setting means 109b is provided inside the on-board side system 15 shown in the apparatus configuration of
Next, the one given by multiplying the priority level judging parameter Pc with the cost weighting Wc outputted from the weighting setting means and the one given by multiplying the priority level judging parameter Pt with the time weighting Wt outputted from the weighting setting means are summed to give the priority level P. In addition, those with less cost priority level are given higher priority and are outputted to the store information notifying means 111b.
The store information notifying means 111b as well as the purchase intention confirming means 115b is provided inside the on-board side system 15 shown in the apparatus configuration of
The booking fare charging means 113b includes the on-board side system 15 and the booking fare settling server 7 shown in the apparatus configuration of
The booking fare charging certifying means 117b includes a store terminal 13, a DSRC roadside communication device 17 in the store premises and a booking fare settling server 7 as shown in the apparatus configuration of
Incidentally, without utilizing synthetic voice and speech recognition, the processing described so far may be executed by displaying on the display screen of the on-board terminal of the on-board side system 15 and by key inputting of the purchaser as in the above-described embodiments.
With the construction described above, purchase of goods proceeds according to the flow shown in
Then, in Procedure 3, the terminal gets back to inquire via voice “How about the store A? XXX yen per liter of gasoline, and the time required is XXX minutes.”, so that a store is selected by “OK!” or “Is there any other one?”. Then, in Procedure 4, the terminal gets back to confirm via voice “May the store A be booked? XXX yen per liter of gasoline, and the time required is XXX minutes. ”, so that an intention on booking is expressed by “OK!”. Thus, in Procedure 5, the purchaser visits the store by car and can purchase gasoline.
As having been described in the foregoing, according to the present invention, a purchaser can select the store to purchase according to a store list listed in advance in order of less costs necessary for obtaining goods with the system, and therefore the purchaser can easily know the store that costs less to purchase goods without executing complicated searching operations.
In addition, since the purchaser can select the store for purchase from the store list listed in advance with the system in order of shorter time required necessary for obtaining goods, the purchaser can easily know the stores with shorter time required necessary to purchase goods without executing complicated searching operations.
Moreover, the purchaser selects the store to purchase goods by trading off between the costs necessary for obtaining goods and the time required necessary for obtaining the goods. According to the present invention, since stores are given priority in consideration of both of the costs necessary for obtaining goods and the time required necessary for obtaining the goods, the purchaser can know the store corresponding to the desire of the purchaser at earlier convenience compared with the case where prioritization is proceeded only one of the costs necessary for obtaining goods and the time required necessary for obtaining the goods.
Further, when the purchaser judges trading off of the costs necessary for obtaining goods and the time required for obtaining the goods, it depends on circumstances on which of the costs and the time required importance should be placed. For example, in case of urgency, time will become more important while costs will become more important in case of little urgency. According to the present invention, since the purchaser can set on which of the costs and the time required to put importance according to circumstances, stores corresponding to the desire of the purchaser can be known at earlier convenience as compared with the case where weighting on the costs and the time required has been fixed.
Furthermore, according to the present invention, when a store side tries to notify a purchaser of the information of the store in question as the store information with higher priority, it will do if the price is set cheap. However, even if the price at a first store is set cheap, if the purchaser incurs higher costs required for him/her to visit the first store in spite of the fact the price is set cheap, the information on a second store, which costs less than the price at the first store to which the cost required for the purchaser to visit the first store is added, is notified to the purchaser with higher priority even though the price is set higher at the second store than at the first store. Moreover, it can be considered to set a cheaper price, which is not preferable in terms of profits of stores since a cheap price less than necessity will be offered to a purchaser who is in the vicinity of the stores and incurs low costs required for visiting the stores. According to the present invention, however, cheaper prices are set to purchasers who incur higher costs required for movements to the stores, and store information of the stores is notified with higher priority so that purchaser's visits to the stores can be urged, whereas normal prices can be set to purchasers who incur lower costs required for movements to the stores, and to whom store information of the stores is notified with higher priority without setting cheaper prices.
Still further, in comparison with a case where respective stores provide with store information transmitting means, the system can be constructed inexpensively.
Additionally, the system is constructed such that the area for transmission is limited to the vicinity of stores so as to permit the store information to be transmitted to only purchasers passing in the vicinity of the stores. Thus, the percentage of the communication lines being occupied by unnecessary information transmission can be reduced.
Besides, even if either the store information transmitting means is a means for taking only a certain limited area as a transmission range or is a means for transmitting store information only at a certain limited timing, if there is an opportunity for a purchaser to receive the store information even once, listing of the store information to the purchaser can be executed and opportunities to notify the purchaser of the store information can be increased.
In addition, such events can be suppressed that the store information stored in the store information storage means will differ from actual information after a lapse of time, and wrong store information different from actuality at the time of listing is used for judging the level of priority or wrong information is notified to purchasers.
Moreover, such events can be suppressed that the store information transmitted to a certain specific area is listed by the storage means also after a purchaser departs the specific area and unnecessary information is notified to the purchaser.
Further, information that purchasers need will be able to be provided in a limited storage capacity.
Furthermore, a purchaser can purchase goods easily and in the case where a purchaser does not come to receive booked goods, a booking fare can cover the disadvantage that incurs the store side because of keeping the goods for that purchaser.
Still further, such events can be suppressed that the goods which the store side prepared after booking of the goods are left alone for a long period without a purchaser coming to receive, resulting in a loss of value of goods (in case of foods such as fast food, etc.) or the storage costs on the goods being incurred not less than necessity.
While the invention has been described in terms of preferred embodiments, those skilled in the art will recognize that the invention can be practiced with modifications within the spirit and scope of the appended claims.
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2001-141665 | May 2001 | JP | national |
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