| 摘要 |
PROBLEM TO BE SOLVED: To provide a bus location system, using a PDA. SOLUTION: A PDA and a switch are mounted on a moving object, such as a bus and a truck, the switch is pushed by a driver at each passage through a station or a specified point, and thereby, station passage data is updated and provided to an operation manager and user as location information on the mobile object. COPYRIGHT: (C)2007,JPO&INPIT
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