Self-diagnostic system for cellular-transceiver systems

Details Self-diagnostic system for cellular-transceiver systems Self-diagnostic system for cellular-transceiver systems

1994-03-02

1995-11-21

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

379 1, 379 32, 379 34, 379 58, H04M 124, H04M 308, H04M 322, H04M 1100

Patent

active

054694949

ABSTRACT:
A self-diagnostic system for a checking all functions of a cellular-transceiver system having a cellular-interface unit, which interface unit couples a standard telephone set to a cellular transceiver, which interface unit converts the DTMF or pulse-type of dialing signals into digital format for transmission to the cellular transceiver, whereby the dialed number made on the land-type of telephone may be used to call a number over the cellular system. The present invention not only monitors and checks the proper functioning of the transceiver and associated power supply, and the like, but will also monitor and check the interface unit.

REFERENCES:
patent: 4737975 (1988-04-01), Shafer
patent: 4788711 (1988-11-01), Nasco, Jr.
patent: 5016269 (1991-05-01), Rogers
patent: 5073919 (1991-12-01), Hasensick
patent: 5295178 (1994-03-01), Nickel et al.

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