Television receiver for receiving a picture carrier whose amplit

Details Television receiver for receiving a picture carrier whose amplit Television receiver for receiving a picture carrier whose amplit

1980-10-16

1982-09-14

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 562

Patent

active

043498426

ABSTRACT:
Television receiver for receiving a picture carrier whose amplitude is modulated with a video signal and a sound carrier whose frequency is modulated with an audio signal. The sound intercarrier signal produced by a mixing circuit is divided by a detected amplitude-modulated interference have, a signal of a substantially constant amplitude being thus produced. Consequently, a limiter preceding the frequency demodulator is not required.

REFERENCES:
patent: 2901536 (1959-08-01), Thomas, Jr. et al.
patent: 4219849 (1980-08-01), Janssen et al.
patent: 4237485 (1980-12-01), Saito et al.

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