Mobile communication system including radio set having detecting

Details Mobile communication system including radio set having detecting Mobile communication system including radio set having detecting

1996-03-11

1998-07-28

Nguyen, Tan Q.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455433, 455510, 455524, H04B 700

Patent

active

057873593

ABSTRACT:
In order to detect the history of movement and current position of a radio set, a mobile communication system stores the current position of movement of a radio set as registered position information together with the position in which the radio set was previously located. The radio set transmits a registered position information request signal when registered position information is requested. When the radio set system receives such a request signal, it transmits to the radio set the registered position information that was stored. The radio set receives and stores this registered position information and displays it on a display unit.

REFERENCES:
patent: 5361396 (1994-11-01), Onoe et al.
patent: 5400390 (1995-03-01), Salin
patent: 5400392 (1995-03-01), Nagashima et al.
patent: 5465288 (1995-11-01), Falvey et al.
patent: 5548822 (1996-08-01), Yogo
patent: 5577047 (1996-11-01), Persson et al.

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