Television receiver having a synchronous detection circuit and a

Details Television receiver having a synchronous detection circuit and a Television receiver having a synchronous detection circuit and a

1977-08-18

1979-06-05

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358188, 358174, H04N 514, H04N 544, H04N 552

Patent

active

041575695

ABSTRACT:
In a television receiver having a synchronous video signal detector from which a signal is obtained for controlling a function such as an automatic volume control or a synchronization signal separation, a correction signal, obtained by means of full-wave rectification from a frequency deviation detector, is added to the signal to improve the operation of said function of the receiver in the case of more serious detuning.

REFERENCES:
patent: 2573248 (1951-10-01), Cotsworth
patent: 3562416 (1971-02-01), Krover
patent: 3812289 (1974-05-01), Avins
patent: 3858000 (1974-12-01), Merriweather et al.
patent: 3922483 (1975-11-01), Indri
patent: 3962533 (1976-06-01), Von Nikelsberg
patent: 4091410 (1978-05-01), Citta

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