| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile phone system capable of realizing for a mobile phone to store large-capacity data by the use of a small-capacity RAM without damaging portability of data, by reading only necessary data out to a RAM built in the mobile phone, namely capable of acquiring necessary data without requiring any attachable and detachable RAMs, and without being restricted by places and time so long as it is within a mobile phone network. SOLUTION: The system has mobile phones, and a server connected by a mobile phone network to a base station for repeating transmission/reception of each mobile phone. The server assigns a memory area of a fixed capacity of a storage device to a mobile phone, and makes data to be dealt with by the mobile phone writable in and readable from the memory area. Large-capacity storage can be realized without hindering miniaturization and reduction of power of mobile phones, and data necessary for the mobile phones can be customized. COPYRIGHT: (C)2006,JPO&NCIPI
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