| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile communication system which enables the acquisition of information required in real time. SOLUTION: Whenever an amount of data of provided information on a specific service exceeds a certain amount, a mobile communication terminal TM receives a data file of difference data via email. Therefore users of the mobile communication terminal TM can receive update information for the specific service in real time and enjoy its usability. COPYRIGHT: (C)2006,JPO&NCIPI
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