| 摘要 |
PROBLEM TO BE SOLVED: To provide a system capable of easily reporting updated data updated by a portable terminal constituting a wireless LAN and suppressing omission of reports. SOLUTION: The system is provided with a fixed terminal 1 connected to a network N and portable terminals 2 for performing wireless communication 25 with the fixed terminal 1. Each portable terminal 2 has a function for transmitting specific information updated by the terminal 2 to the fixed terminal 1 through the wireless communication 25 and the fixed terminal 1 is provided with a function for comparing the specific information received from the portable terminal 2 with information received in the past and extracting their difference information and a function for reporting the difference information to other terminals 31 on the network N by e-mail on the basis of previously registered addresses. COPYRIGHT: (C)2004,JPO&NCIPI
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