Noise processor defeat switch

Details Noise processor defeat switch Noise processor defeat switch

1980-11-10

1982-09-07

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, H04N 514

Patent

active

043486959

ABSTRACT:
An AC signal processing circuit fabricated on a single integrated circuit chip used in a television receiver is both defeated and the DC level characterizing its output terminal is controlled in response to a manually operable switch communicating with a single input pin of the chip. A control circuit comprising a pair of differential amplifiers fabricated on the chip is responsive to the switch for enabling the AC signal processing circuit or, alternatively, for inhibiting the circuit while simultaneously causing its output to assume a controlled DC level.

REFERENCES:
patent: 4173769 (1979-11-01), Van Straaten

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