Method for determining geographic relationships between communic

Details Method for determining geographic relationships between communic Method for determining geographic relationships between communic

1995-12-05

1997-11-18

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 331, 455 561, 340995, 342457, H04Q 732

Patent

active

056898096

ABSTRACT:
Geographic relationship between communication units (102, 103) within a communication system (100) can be achieved when a first communication unit transmits its location information. Upon receiving this location information, a second communication unit determines its location information. Having this information, the second communication unit then determines a geographic relationship between the two units and subsequently displays this information both visually and audibly.

REFERENCES:
patent: 3925750 (1975-12-01), Gilbert et al.
patent: 4023176 (1977-05-01), Currie et al.
patent: 4596988 (1986-06-01), Wanka
patent: 4968629 (1990-11-01), Apsell et al.
patent: 5068654 (1991-11-01), Musher
patent: 5210534 (1993-05-01), Janey
patent: 5218716 (1993-06-01), Comroe et al.

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