Terminal equipment, positional information display method, posit

Details Terminal equipment, positional information display method, posit Terminal equipment, positional information display method, posit

1996-12-23

2000-12-26

Urban, Edward F.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

340995, H04Q 720

Patent

active

061672777

ABSTRACT:
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.

REFERENCES:
patent: 3925350 (1975-12-01), Gilbert et al.
patent: 5046130 (1991-09-01), Hall et al.
patent: 5121126 (1992-06-01), Clagett
patent: 5257399 (1993-10-01), Kallin et al.
patent: 5524136 (1996-06-01), Bar-Noy et al.
patent: 5613202 (1997-03-01), Ishida et al.
patent: 5635940 (1997-06-01), Hickman et al.
patent: 5689809 (1997-11-01), Grube et al.

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