| 摘要 |
In a terminal equipment, when a signal demanding for the detection of the present position of a mating second portable remote terminal is outputted from a first portable remote terminal, nearest a first base station transmits the signal to a server. The server, upon receiving the demand signal, receives the present position of the mating second portable remote terminal by way of a second base station, reads out a map data including the present positions for the first portable remote terminal and the second portable remote terminal from data base and transmits the same to the first and second portable remote terminals.
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