JP2011050002A - Data storage system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify the data backup of a communication apparatus. <P>SOLUTION: This data storage system comprises a communication apparatus 91 and a charging device 92. The communication apparatus 91 includes: a charging battery 14; a charging terminal 11 for the communication apparatus for supplying power to the charging battery 14; and a power line communication control circuit 12 which outputs predetermined data to the charging terminal 11 for the communication apparatus in timing at which the charging terminal 11 for the communication apparatus is connected to the charging device 92. The charging device 92 includes: a charging terminal 21 for the charging device for supplying power to the communication apparatus 91; a storage circuit 23 for storing data inputted to the charging terminal 21 for the charging device; and a charging control circuit 22 which supplies power to the communication apparatus 91 via the charging terminal 21 for the charging device in timing at which the charging terminal 21 for the charging device is connected to the charging terminal 11 for the communication apparatus, and stores data inputted to the charging terminal 21 for the charging device into the storage circuit 23. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a data storage system including a communication device and a charging device, a communication device, a charging device, a data storage method, a data storage program for the communication device, and a data storage program for the charging device.

A charging device for a communication device, which has a data transmission / reception function, has been proposed (see, for example, Patent Documents 1 to 5).
The charging device of Patent Literature 1 includes a connector with a communication device, a baseband processor for power line carrier communication, and a non-volatile memory of the baseband processor, and operates as follows. The connector transfers transmission / reception data to / from the communication device. The baseband processor receives data from the network via a power line connected to the charging device, and transmits the data to the communication device. The nonvolatile memory stores transmitted / received data. The connector transfers the data stored in the nonvolatile memory to the communication device. As a result, the charging device of Patent Document 1 updates the data of the communication device.

  The charging device of Patent Literature 2 includes a current monitoring circuit, a memory, and a control unit, and operates as follows. The current monitoring circuit monitors the current that flows during charging. The control unit detects the completion of charging in response to the input of the charging completion detection signal from the current monitoring circuit, and turns on the data transfer mode. When the data transfer mode is turned on, the memory acquires and stores data such as the contents of the telephone directory stored in the communication device via the power line. Thus, the charging device of Patent Document 2 stores data of the communication device.

  The charging device of Patent Literature 3 includes a voltage conversion unit, a holder control unit, and a storage unit, and operates as follows. The voltage conversion unit converts an AC voltage supplied via the outlet plug into a DC voltage and supplies the DC voltage to the communication device. The holder control unit receives data from the communication device via IrDA. The storage unit stores the received data in the storage unit. Thereby, the charging device of Patent Document 3 stores data of the communication device.

  The charging device of Patent Literature 4 includes a power feeding terminal, a connection port, a microcomputer, and auxiliary storage means, and operates as follows. The power supply terminal supplies power to the communication device. The microcomputer acquires data stored in the auxiliary memory of the communication device via a connection port different from the power supply terminal, and backs up the acquired data to the auxiliary storage means. As a result, the charging device of Patent Document 4 stores data of the communication device.

  The charging device of Patent Document 5 includes a power supply circuit and a PLC (Power Line Communication) communication circuit, and operates as follows. The power supply circuit charges the battery of the communication device. The PLC communication circuit connects the communication device and the television receiver. As a result, the charging device of Patent Document 5 enables communication between the communication device and the television receiver.

JP 2003-169004 A JP 2003-283610 A JP 2004-0155111 A JP 2004-032480 A JP 2009-071568 A

  In communication devices, particularly mobile terminals such as mobile phones and PDAs (Personal Digital Assistants), many files such as personal information, music, moving images and still images are stored. Since the amount of data that can be held by the communication device is limited, it is necessary to back up data stored in the communication device to the outside of the communication device.

  At this time, in the communication device described in Patent Documents 1, 3, 4, and 5 described above, in order to back up the data stored in the communication device, in addition to the operation for charging, some operation is performed. Must be done. For this reason, there has been a problem that backup of data stored in the communication device is not simple.

  Moreover, in the communication apparatus described in Patent Document 2 described above, data backup is performed after charging is completed. Therefore, it takes time to back up data, and there is a problem that backup of data stored in the communication device is not simple.

  An object of the present invention is to simplify the backup of data of a communication device, which is the problem described above.

  In order to achieve the above object, a data storage system of the present invention includes a rechargeable battery, a charging terminal for a communication device that supplies power to the rechargeable battery, and the charging terminal for the communication device is for a charging device of the charging device. A power line communication control circuit that outputs predetermined data to the charging terminal for the communication device when connected to the charging terminal, and a charging device that supplies power to the communication device A charging terminal, a storage circuit for storing data input to the charging device charging terminal, and the charging terminal for charging device triggered by the charging terminal for charging device being connected to the charging terminal for communication device A charging device comprising: a charging control circuit that supplies power to the communication device via the charging device and stores the data input to the charging terminal for the charging device in the storage circuit. It comprises a device.

  In order to achieve the above object, a communication device of the present invention includes a rechargeable battery, a charging terminal for a communication device that supplies power to the rechargeable battery, and the charging terminal for the communication device is a charging device for a charging device of the charging device. And a power line communication control circuit for outputting predetermined data to the communication device charging terminal when connected to the terminal.

  To achieve the above object, a charging device according to the present invention includes a charging device charging terminal for supplying power to a communication device, a storage circuit for storing data input to the charging device charging terminal, and the charging device. When the charging terminal for power supply is connected to the charging terminal for communication device of the communication device, power is supplied to the communication device via the charging terminal for charging device and is input to the charging terminal for charging device. And a charge control circuit for storing the data in the storage circuit.

  In order to achieve the above object, according to the data storage method of the present invention, when the communication device charging terminal provided in the communication device and the charging device charging terminal provided in the charging device are connected, the communication device charging terminal and the charging device are connected. Power is supplied from the charging device to the communication device via the device charging terminal, and predetermined data stored in the communication device via the communication device charging terminal and the charging device charging terminal. Is transferred to the charging device and stored in a storage circuit of the charging device.

  In order to achieve the above object, a communication device data storage program according to the present invention provides a communication device charging terminal connected to a charging device when the communication device charging terminal connected to the rechargeable battery is connected to the charging device. The computer is caused to execute a data transfer step of supplying power to the rechargeable battery and outputting the data stored in the storage circuit to the charging terminal for the communication device.

  In order to achieve the above object, a data storage program for a charging device according to the present invention supplies power to the charging device charging terminal when the charging device charging terminal for power supply is connected to a communication device. And supplying the data to the charging terminal for the charging device and causing the computer to execute a data transfer step of storing the data in the storage circuit.

  According to the present invention, backup of data of a communication device can be simplified.

1 is a schematic configuration diagram of a data storage system according to Embodiment 1. FIG. 3 is a flowchart illustrating an example of a data storage method according to the first embodiment. 4 is a flowchart of a data storage program of the communication apparatus according to the first embodiment. 4 is a flowchart of a data storage program of the charging apparatus according to the first embodiment. It is the schematic which shows the example of a connection of the communication apparatus which concerns on Embodiment 2, and a charging device. It is a specific structural example of the communication apparatus and charging device which concern on Embodiment 2. FIG. It is a schematic block diagram of the data storage system which concerns on Embodiment 3. 10 is a flowchart illustrating an example of a data storage method according to the third embodiment. 10 is a flowchart of a data storage program of a communication device according to a third embodiment. 12 is a flowchart of a data storage program of the charging apparatus according to the third embodiment.

  Embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below are examples of the present invention, and the present invention is not limited to the following embodiments. In the present specification and drawings, the same reference numerals denote the same components.

(Embodiment 1)
FIG. 1 is a schematic configuration diagram of a data storage system according to the present embodiment. The data storage system 95 according to the present embodiment includes a communication device 91 and a charging device 92.

  The communication device 91 includes a communication device charging terminal 11, a power line communication control circuit 12, and a rechargeable battery 14. The charging device 92 includes a charging device charging terminal 21, a charging control circuit 22, and a storage circuit 23.

  The power line communication control circuit 12 and, for example, a CPU (Central Processing Unit). The charge control circuit 22 is also a CPU, for example. The storage circuit 23 is a memory provided inside the CPU or outside the CPU, for example.

  The data storage system according to the present embodiment executes the data storage method according to the present embodiment. FIG. 2 is a flowchart showing an example of the data storage method according to the present embodiment. The data storage method according to the present embodiment includes a data transfer procedure S111.

  In the data transfer procedure S111, when the communication device charging terminal 11 provided in the communication device 91 and the charging device charging terminal 21 provided in the charging device 92 are connected, the communication device charging terminal 11 and the charging device charging terminal 21 are connected. Then, power is supplied from the charging device 92 to the communication device 91, and predetermined data stored in the communication device 91 is transferred to the charging device 92 via the communication device charging terminal 11 and the charging device charging terminal 21. And stored in the storage circuit 23 of the charging device 92.

  For example, the communication device charging terminal 11 and the charging device charging terminal 21 illustrated in FIG. 1 are terminals that connect the power line communication control circuit 12 and the charging control circuit 22 with a power line. The charging control circuit 22 supplies power to the communication device 91 via the charging device charging terminal 21. For example, AC power is supplied from outside the charging device 92, converted into DC power, and output to the charging device charging terminal 21. As a result, power is supplied to the power line communication control circuit 12. The power line communication control circuit 12 supplies the supplied power to the rechargeable battery 14. As a result, the data storage system 95 charges the communication device 91 from the charging device 92.

  On the other hand, the power line communication control circuit 12 outputs predetermined data to the communication device charging terminal 11. The data output to the communication device charging terminal 11 is input to the charging control circuit 22 through the power line. The charging control circuit 22 causes the storage circuit 23 to store the data input to the charging device charging terminal 21. The storage circuit 23 stores data input to the charging device charging terminal 21. As a result, the data storage system 95 backs up predetermined data from the communication device 91 to the charging device 92.

  The communication device 91 may be realized by causing a computer to execute a data storage program of the communication device. FIG. 3 is a flowchart showing an example of a data storage program of the communication apparatus according to the present embodiment. The data storage program of the communication apparatus according to the present embodiment causes the computer to execute data transfer step S211.

  In this case, in the data transfer step S211, power is supplied from the communication device charging terminal 11 to the rechargeable battery 14 when the communication device charging terminal 11 connected to the rechargeable battery 14 is connected to the charging device 92. And the data stored in the storage circuit (not shown) of the communication device 91 is output to the communication device charging terminal 11. As a result, the computer can function as the communication device 91.

  The charging device 92 may be realized by causing a computer to execute a data storage program of the charging device. FIG. 4 is a flowchart showing an example of a data storage program of the charging device according to the present embodiment. The data storage program of the charging device according to the present embodiment causes the computer to execute data transfer step S311.

  In this case, in the data transfer step S <b> 311, when the charging device charging terminal 21 for supplying power is connected to the communication device 91, power is supplied to the charging device charging terminal 21 and the charging device charging terminal is used. The data input to 21 is stored in the storage circuit 23. As a result, the computer can function as the charging device 92.

  The communication device 91, the charging device 92, and the data storage system 95 according to the present embodiment are provided, and by executing the data storage method according to the present embodiment, data communication is performed on the power line to be charged without providing a new connection terminal. The data stored in the communication device 91 can be backed up. Therefore, backup of data stored in the communication device 91 can be performed simply and inexpensively.

  In addition, since it is not necessary to increase the storage capacity of the communication device 91, it is not necessary to increase the size of the communication device 91 even when the communication capacity of the communication device 91 is increased. Therefore, it is possible to provide a communication device that is small and capable of high-capacity communication.

  Furthermore, since the data is stored outside the communication device 91, the storage capacity can be increased at a low cost with a simple configuration.

(Embodiment 2)
FIG. 5 shows a connection example between the communication device and the charging device. The communication device 91 is installed in the charging device 92. The charging device 92 is provided with a charging device charging terminal 21 and is connected to the charging control circuit 22. The charge control circuit 22 is connected to the memory circuit 23. The charging control circuit 22 is connected to an external AC power source and is supplied with power from the outside.

  In the data storage system according to the present embodiment, the communication device 91 is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant). The charging device 92 is a desktop holder that charges the rechargeable battery 14 included in the communication device 91. These communication devices 91 have many opportunities to connect to the charging device 92, and the data can be backed up frequently by backing up the data every time it is charged.

  The communication device 91 can come into contact with the charging device 92 via the communication device charging terminal 11. The power line connects the power line communication control circuit 12 and the communication device charging terminal 11.

  FIG. 6 shows a specific configuration example of the communication device and the charging device. Between the communication device 91 and the charging device 92, the communication device charging terminal 11 and the charging device charging terminal 21 for supplying power can be contacted. The power line communication control circuit 12 and the charge control circuit 22 are connected by a power line. Data communication is performed by transmitting a high frequency using a power line.

  The power line communication control circuit 12 in the communication device 91 is supplied with power from the charging device 92 via the communication device charging terminal 11. The power line communication control circuit 12 charges the rechargeable battery 14 with the supplied power. Further, the power line communication control circuit 12 transmits data by superimposing a high frequency on the power line, and receives data by extracting the high frequency transmitted through the power line. As a result, the communication device 91 transmits and receives data to and from the charging device 92.

  The charging control circuit 22 supplies power to the communication device 91 and transmits / receives data to / from the communication device 91. Data transmission / reception with the communication device 91 is performed by, for example, transmitting data by superimposing a high frequency on the power line and receiving the data by extracting the high frequency transmitted through the power line.

  Here, the power line communication control circuit 12 outputs predetermined data to the communication device charging terminal 11 using the power line carrier system. The charging control circuit 22 acquires data transmitted using the power line carrier method from the charging terminal for charging device 21. Thereby, predetermined data is transferred from the power line communication control circuit 12 to the charging control circuit 22. The power line carrier system is, for example, a low-speed PLC using a frequency of 450 kHz or less, or a high-speed PLC using a frequency band of 2 MHz to 30 MHz.

  The predetermined data may be music or a moving image. Since music and moving images have large file capacities, moving the music and moving image data stored in the storage circuit 13 to the storage circuit 23 of the charging device 92 ensures efficient free space in the storage circuit 13. Can do. Thereby, the storage capacity for storing the file downloaded by the communication device 91 can be secured at any time.

  When the communication device charging terminal 11 of the communication device 91 and the charging device charging terminal 21 of the charging device 92 are connected, data backup is performed from the communication device 91 to the charging device 92 through the power line. Thereby, data backup from the communication device 91 to the charging device 92 can be easily performed.

  In FIG. 5, the charging terminal incorporated in the communication device is used as the communication device charging terminal 11, but the present invention is not limited to this. For example, the communication device charging terminal 11 of the communication device 91 and the charging device charging terminal 21 of the charging device 92 may be in contact with each other.

(Embodiment 3)
FIG. 7 is a schematic diagram of a data storage system according to the present embodiment. The data storage system 96 according to the present embodiment further includes a storage circuit 13 and an external output circuit 15 in the communication device 91 shown in FIG.

  The data storage system 96 according to the present embodiment executes the data storage method according to the present embodiment. FIG. 8 is a flowchart showing an example of the data storage method according to the present embodiment. The data storage method according to the present embodiment further includes a read request procedure S112 and a data output procedure S113 in order after the data transfer procedure S111 shown in FIG.

  In the read request procedure S112, the charging device 92 is requested to read specific data among the data transferred in the data transfer procedure S111. In the data output procedure S113, the specific data requested in the read request procedure S112 is read from the charging device 92 to the communication device 91, and is output to the external output circuit 15 that enables the specific data to be viewed.

  For example, the power line communication control circuit 12 of the communication device 91 requests the charging device 92 to read out specific data. When the charge control circuit 22 of the charging device 92 acquires a request from the power line communication control circuit 12 of the communication device 91, the requested specific data is read from the storage circuit 23 and output to the communication device 91. The power line communication control circuit 12 acquires the specific data and outputs the specific data to the external output circuit 15 that enables viewing of the specific data.

  Here, the external output circuit 15 is, for example, a speaker that can reproduce music if the specific data is music, and an LCD (Liquid) that can reproduce the image if the specific data is an image such as a still image or a moving image. A display such as Crystal Display).

  The communication device 91 may be realized by causing a computer to execute a data storage program of the communication device. FIG. 9 is a flowchart showing an example of the data storage program of the communication apparatus according to the present embodiment. The data storage program of the communication apparatus according to the present embodiment causes the computer to sequentially execute a read request step S212 and a data output step S213 after the data transfer step S211 shown in FIG.

  In this case, in the read request step S212, a read request signal for requesting reading of specific data among the data transferred in the data transfer step S211 is output to the communication device charging terminal 11. In the data output step S213, the specific data requested in the read request step S212 is acquired from the communication device charging terminal 11, and the specific data is output to the external output circuit 15 enabling viewing. As a result, the computer can function as the communication device 91.

  The charging device 92 may be realized by causing a computer to execute a data storage program of the charging device. FIG. 10 is a flowchart illustrating an example of a data storage program of the charging device according to the present embodiment. The data storage program of the charging device according to the present embodiment causes the computer to sequentially execute a read request step S312 and a read step S313 after the data transfer step S311 shown in FIG.

  In this case, in the read request step S312, a read request signal request for requesting reading of specific data among the data stored in the data transfer step S311 is acquired from the charging terminal 21 for charging device. In the read step S313, the specific data requested in the read request step S312 is read from the storage circuit 23 and output to the charging device charging terminal 21. As a result, the computer can function as the communication device 92.

  When viewing music or moving images on the communication device 91, the rechargeable battery 14 built in the communication device 91 is often viewed while being charged so that the battery does not run out in the middle. At this time, the data stored in the charging device 92 can be read to the communication device 91 and viewed simultaneously with the charging of the communication device 91. By setting the storage capacity of the charging device 92 to a large capacity, it is possible to view a long-time video or music using data stored in the charging device 92. Therefore, the communication device 91, the charging device 92, or the data storage system 96 according to the present embodiment is provided, and the data storage method according to the present embodiment is executed, whereby a data distribution service such as a long-time video or music can be simplified. It becomes possible to provide in configuration.

  The present invention can be applied to the information communication industry.

11: Charging terminal for communication device 12: Power line communication control circuit 13: Memory circuit 14: Rechargeable battery 15: External output circuit 21: Charging terminal for charging device 22: Charging control circuit 23: Storage circuit 91: Communication device 92: Charging Devices 95, 96: data storage system

Claims (30)

Rechargeable batteries,
A communication device charging terminal for supplying power to the rechargeable battery;
A power line communication control circuit that outputs predetermined data to the communication device charging terminal when the communication device charging terminal is connected to the charging device charging terminal of the charging device;
as well as,
A charging terminal for a charging device for supplying power to the communication device;
A storage circuit for storing data input to the charging terminal for the charging device;
When the charging terminal for charging device is connected to the charging terminal for communication device, power is supplied to the communication device via the charging terminal for charging device and input to the charging terminal for charging device. A charging control circuit for storing the stored data in the storage circuit,
A data storage system. The power line communication control circuit of the communication device is:
Outputting a read request signal for requesting reading of specific data to the communication device charging terminal, and acquiring the specific data from the communication device charging terminal enables external acquisition of the acquired specific data Output to the circuit,
The charging control circuit of the charging device is:
2. When the read request signal is acquired from the power line communication control circuit of the communication device, the specific data requested is read from the storage circuit and output to the charging terminal for the charging device. The data storage system described in 1.   The data storage system according to claim 1, wherein the power line communication control circuit of the communication device transfers the predetermined data from the communication device to the charging device using a power line carrier system. .   4. The data storage system according to claim 1, wherein the predetermined data is music or a moving image.   5. The data storage system according to claim 1, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistants). Rechargeable batteries,
A communication device charging terminal for supplying power to the rechargeable battery;
A power line communication control circuit that outputs predetermined data to the communication device charging terminal when the communication device charging terminal is connected to the charging device charging terminal of the charging device. A communication device. The power line communication control circuit is
Outputting a read request signal for requesting reading of specific data to the communication device charging terminal, and acquiring the specific data from the communication device charging terminal enables external acquisition of the acquired specific data The communication apparatus according to claim 6, wherein the communication apparatus outputs to a circuit.   The communication device according to claim 6 or 7, wherein the power line communication control circuit outputs the predetermined data to the communication device charging terminal using a power line carrier system.   The communication device according to claim 6, wherein the predetermined data is music or a moving image.   10. The communication device according to claim 6, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant). A charging device charging terminal for supplying power to the communication device;
A storage circuit for storing data input to the charging terminal for the charging device;
When the charging device charging terminal is connected to the communication device charging terminal of the communication device, power is supplied to the communication device via the charging device charging terminal, and the charging device charging terminal A charge control circuit for storing the data input to the storage circuit;
A charging device comprising: The charge control circuit includes:
12. When the read request signal is acquired from the power line communication control circuit of the communication device, the requested specific data is read from the storage circuit and output to the charging terminal for the charging device. The charging device described in 1.   The charging device according to claim 11 or 12, wherein the charging control circuit acquires data transmitted using a power line carrier system from the charging terminal for the charging device.   The charging device according to claim 11, wherein the predetermined data is music or a moving image.   15. The charging device according to claim 11, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant).   When the communication device charging terminal provided in the communication device and the charging device charging terminal provided in the charging device are connected, power is transmitted from the charging device to the communication device via the communication device charging terminal and the charging device charging terminal. And transferring predetermined data stored in the communication device via the communication device charging terminal and the charging device charging terminal to the charging device and storing the data in the storage circuit of the charging device. A data storage method characterized by comprising a data transfer procedure. A read request procedure for requesting the charging device from the communication device to read specific data among the data transferred from the communication device to the charging device in the data transfer procedure;
A data output procedure for reading the specific data requested in the read request procedure with the charging device and transferring it to the communication device, and outputting the specific data to an external output circuit that enables viewing;
The data storage method according to claim 16, further comprising in order after the data transfer procedure.   The data storage method according to claim 16 or 17, wherein, in the data transfer procedure, the predetermined data is transferred from the communication device to the charging device using a power line carrier method.   The data storage method according to claim 16, wherein the predetermined data is music or a moving image.   20. The data storage method according to claim 16, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant). When the charging terminal for the communication device connected to the rechargeable battery is connected to the charging device, power is supplied from the charging terminal for the communication device to the rechargeable battery and stored in the storage circuit. A data transfer step of outputting data to the communication device charging terminal;
A data storage program for a communication apparatus, characterized in that a computer is executed. A read request step for outputting a read request signal for requesting reading of specific data of the data transferred in the data transfer step to the charging terminal for the communication device;
A data output step of acquiring the specific data requested in the read request step from the communication device charging terminal and outputting the specific data to an external output circuit that enables viewing;
22. The data storage program for a communication device according to claim 21, wherein the computer is further executed in order after the data transfer step.   The data of the communication device according to claim 21 or 22, wherein the power line communication control circuit of the communication device outputs the predetermined data to the charging terminal for the communication device using a power line carrier method. Save program.   24. The data storage program for a communication apparatus according to claim 21, wherein the predetermined data is music or a moving image.   25. The data storage program for a communication device according to claim 21, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant). When the charging device charging terminal for power supply is connected to the communication device, power is supplied to the charging device charging terminal, and data input to the charging device charging terminal is stored in the memory circuit. Data transfer step to store,
A data storage program for a charging device, characterized by causing a computer to execute. A read request step for obtaining a read request signal request for requesting reading of specific data of the data stored in the data transfer step from the charging terminal for the charging device;
A reading step of reading the specific data requested in the reading request step from the storage circuit and outputting the data to the charging terminal for the charging device;
27. The program for storing data in the charging device according to claim 26, further comprising: causing the computer to sequentially execute after the data transfer step.   The data storage program for a charging device according to claim 26 or 27, wherein in the data transfer step, data transmitted using a power line carrier method is acquired from the charging terminal for the charging device.   29. The data storage program for a charging device according to claim 26, wherein the predetermined data is music or a moving image.   30. The data storage program for a charging device according to claim 26, wherein the communication device is a mobile terminal including a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Digital Assistant).

Images