Control circuit for a radio transceiver

Details Control circuit for a radio transceiver Control circuit for a radio transceiver

1983-02-09

1985-04-23

Ng, Jin F.

Telecommunications

Transmitter and receiver at same station

455127, 455343, H04B 138

Patent

active

045134464

ABSTRACT:
A vehicular radio transceiver is normally powered by a vehicular ignition switch and a transceiver on-off switch both being closed. A latch circuit senses the presence of communication over the transceiver, and produces a latch signal that powers the transceiver despite opening of either of the switches.

REFERENCES:
patent: 3307051 (1967-02-01), Parsons
patent: 3500458 (1970-03-01), Cannalte
patent: 3541453 (1970-11-01), Vanderpoel et al.
patent: 3962553 (1976-06-01), Linder et al.
patent: 4095184 (1978-06-01), Hochstein et al.
patent: 4227257 (1980-10-01), Sato

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