| 摘要 |
PROBLEM TO BE SOLVED: To enable a getting-off preparation by a terminal performing a waking-up when approaching to a station. SOLUTION: The alarm different depending on the distance is generated by measuring the distance between a radio terminal 5000 and a master machine 6001 of a station through the communication capable of measuring the distance between the radio terminal 5000 and the master machine 6001. COPYRIGHT: (C)2007,JPO&INPIT
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