While the specification concludes with claims particularly pointing out and distinctly claiming that which is regarded as the invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof, which are depicted in the appended drawings, in order to illustrate the manner in which embodiments of the invention are obtained. Understanding that these drawings depict only typical embodiments of the invention, that are not necessarily drawn to scale, and, therefore, are not to be considered limiting of its scope, embodiments will be described and explained with additional specificity and detail through use of the accompanying drawings in which:
In the following detailed description of the embodiments, reference is made to the accompanying drawings which form a part hereof and show, by way of illustration, specific embodiments in which the invention may be practiced. In the drawings, like numerals describe substantially similar components throughout the several views. The embodiments are intended to describe aspects of the invention in sufficient detail to enable those of skill in the art to practice the invention. Other embodiments may be utilized and structural, logical or electrical changes or combinations thereof may be made without departing from the scope of the invention. Moreover, it is to be understood, that the various embodiments of the invention, although different, are not necessarily mutually exclusive. For example, a particular feature, structure or characteristic described in one embodiment may be included within other embodiments. Furthermore, it is to be understood, that embodiments of the invention may be implemented in discrete circuits, partially integrated circuits or fully integrated circuits or programming means. Also, the term “exemplary” is merely meant as an example, rather than the best or optimal. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the invention is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled.
Reference will be made to the drawings. In order to show the structures of the embodiments most clearly, the drawings included herein are diagrammatic representations of inventive articles. Thus, actual appearance of the fabricated structures may appear different while still incorporating essential structures of embodiments. Moreover, the drawings show only the structures necessary to understand the embodiments. Additional structures known in the art have not been included to maintain clarity of the drawings. It is also to be understood, that features and/or elements depicted herein are illustrated with particular dimensions relative to one another for purposes of simplicity and ease of understanding, and that actual dimensions may differ substantially from that illustrated herein.
In the following description and claims, the terms “include”, “have”, “with” or other variants thereof may be used. It is to be understood, that such terms are intended to be inclusive in a manner similar to the term “comprise”.
In the following description and claims, the terms “coupled” and “connected”, along with derivatives such as “communicatively coupled” may be used. It is to be understood, that these terms are not intended as synonyms for each other. Rather, in particular embodiments, “connected” may be used to indicate, that two or more elements are in direct physical or electrical contact with each other. However, “coupled” may also mean that two or more elements are not in direct contact with each other, but yet still co-operate or interact with each other.
In the following description and claims, terms, such as “upper”, “lower”, “first”, “second”, etc., may be only used for descriptive purposes and are not to be construed as limiting. The embodiments of a device or article described herein can be manufactured, used, or shipped in a number of positions and orientations.
Features of the cellular-communications device 100 are increased flexibility, reduced electromagnetic radiation, reduced power consumption, and reduced costs including air-time costs.
The first probability value may be based on time, such as time of day. Thus, the cellular-communications device 100 may further comprise a timer 104 coupled to said switch 103 to provide time information.
The first probability value may be based on a location of the cellular-communications device 100. Thus, the cellular-communications device 100 may further comprise a locator 105 coupled to switch 103 to determine the location of said cellular-communications device 100.
The locator 105 may be adapted to operate with a satellite navigation system, such as global positioning system (GPS), assisted GPS (A-GPS), or Galileo. The locator 105 may be adapted to operate with triangulation, and said triangulation may be based on cellular base stations or broadcasting stations, such TV stations.
The locator 105 may also be adapted to operate with identifications of cellular base stations, to track said location of said cellular-communications device 100 from a previous location of said cellular-communications device 100 or to determine said location of said cellular-communications device 100 from an Earth magnetic field.
The cellular-communications device 100 may further comprise a memory 106 coupled to said switch 103 to store first location information of said first base station 121. Said first location information may comprise position information of said first base station 121, and information on said first communications range 122 of said first base station 121. The cellular-communications device 100 may be adapted to store said first location information in said memory 106 based on user interaction or signal information of said first base station 121, such as signal strength or signal quality.
The switch 103 may be coupled to said cellular-communications transceiver 101 to switch it off when said first local-communications transceiver 102 is switched on.
The first local-communications transceiver may be adapted to operate according to a cordless telephone standard, a Digital Enhanced Cordless Telecommunications (DECT) standard, a wireless local area network (WLAN) standard, a Bluetooth standard, a ultra-wide band (UWB) standard or the like.
The cellular-communications device 100 may further comprise a second local-communications transceiver 107 to communicate via a second local-communications system 130, and switch 103 may be coupled to said second local-communications transceiver 107 to switch it on when a second probability value indicates, that said cellular-communications device 100 is within a second communications range 132 of a second base station 131 of said second local-communications system 130.
Switch 103 may be coupled to said cellular-communications transceiver 101 to switch it off when said second local-communications transceiver 107 is switched on. Furthermore; said switch 103 may be coupled to said first local-communications transceiver 102 to switch it off when said second local-communications transceiver 107 is switched on.
Second local-communications transceiver 107 may be adapted to operate according to a cordless telephone standard, a DECT standard, a WLAN standard, a Bluetooth standard, a ultra-wide band (UWB) standard or the like.
Cellular-communications transceiver 101 may be adapted to operate according to a Global System for Mobile Communications (GSM) standard, a Universal Mobile Telecommunications System (UMTS) standard or the like.
According to another embodiment of the invention, a mobile phone 100 comprises a cellular-communications transceiver 101 to communicate via a cellular-communications system 110, a local-communications transceiver 102 to communicate via a local-communications system 120, and a switch 103 coupled to said local-communications transceiver 102 to switch it on when location information of said cellular-mobile phone 100 and location information of a base station 121 of said local-communications system 120 indicate, that said mobile phone 100 is within a communications range 122 of said base station 121.
According to yet another embodiment of the invention, a circuit comprises a cellular-communications circuit to communicate via a cellular-communications system, a local-communications circuit to communicate via a local-communications system, and a switch coupled to said local-communications circuit to switch it on when location information of said communications circuit and location information of a base station of said local-communications system indicate, that said communications circuit is within a communications range of said base station.
The communications circuit may be situated on an integrated circuit.
A communications method according to a further embodiment of the invention comprises providing communication via a cellular-communications system, and switching on communication via a local-communications system when within a communications range of a base station of said local-communications system based a probability value.
The probability value may be based on time. Thus, the communications method may further comprise providing time information.
The probability value may also be based on a location of said communications method. Thus, the communications method may further comprise determining said location of said communications method.
The determining may comprise using a satellite navigation system, such as GPS, A-GPS, or Galileo. Said determining may also comprise using triangulation, and said triangulation may be based on cellular base stations or broadcasting stations, such as TV stations.
The determining may also comprise using identifications of cellular base stations, tracking said location of said communications method from a previous location of said communications method, or determining said location of said communications method from an Earth magnetic field.
The communications method may further comprise storing location information of said base station. Said location information comprises position information of said base station, and information on said communications range of said base station. Said storing may comprise storing said location information based on user interaction, or storing said location information based on signal information of said base station.
The communications method may further comprise switching off communication via said cellular-communications when communications via said local-communications is switched on.
Local-communications may be according to a cordless standard, a DECT standard a WLAN standard, a Bluetooth standard, a ultra-wide band (UWB) standard or the like.
As the mobile phone may utilize a plurality of communications networks, it is possible to minimize costs of operation. However, the mobile phone may need appropriate rights to access and use a particular communications network.
Although specific embodiments have been illustrated and described herein, it will be appreciated by those of ordinary skill in the art, that any arrangement which is calculated to achieve the same purpose may be substituted for the specific embodiments shown. It is to be understood, that the above description is intended to be illustrative and not restrictive. This application is intended to cover any adaptations or variations of the invention. Combinations of the above embodiments and many other embodiments will be apparent to those of skill in the art upon reading and understanding the above description. The scope of the invention includes any other embodiments and applications in which the above structures and methods may be used. The scope of the invention should, therefore, be determined with reference to the appended claims along with the full scope of equivalents to which such claims are entitled.
It is emphasized that the Abstract is provided to comply with 37 C.F.R. section 1.72(b) requiring an abstract that will allow the reader to quickly ascertain the nature and gist of the technical disclosure. It is submitted with the understanding, that it will not be used to interpret or limit the scope or meaning of the claims.