| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile communication system capable acquiring necessary information in real time. SOLUTION: This mobile communication terminal TM receives a data file of differential data via an electronic mail at every time when the data quantity of provided information exceeds a prescribed amount in specific services, and a user of the mobile communication terminal TM can acquire the latest information of the specific services in an approximately real time, thus providing an effect of extreme convenience. COPYRIGHT: (C)2003,JPO
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