Automatic control system for condition-responsively switching ov

Details Automatic control system for condition-responsively switching ov Automatic control system for condition-responsively switching ov

1975-03-07

1976-07-27

Safourek, Benedict V.

325302, H04B 140

Patent

active

039719855

ABSTRACT:
Disclosed is an automatic control system for condition-responsively switching over audio signals from transceiver, radio or tape recorder. It is characterized in that a transceiver squelch control circuit having a transistor is connected through its collector electrode to a radio or tape recorder audio signal switching transistor at the base electrode thereof, thereby voltage variation in the squelch control circuit is transmitted to the radio or tape recorder audio signal switching transistor which in turn functions to switch off the radio or tape recorder audio signal.

REFERENCES:
patent: 3277374 (1966-10-01), Kobayashi
patent: 3745467 (1973-07-01), Lundquist et al.

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