Remote volume control by means of frequency modulation feedback

Details Remote volume control by means of frequency modulation feedback Remote volume control by means of frequency modulation feedback

1984-04-18

1986-05-27

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358197, 358198, 455311, H04N 544, H04N 562, H04N 560, H04B 700

Patent

active

045919151

ABSTRACT:
A TV frequency modulation feedback loop (FMFB) remote volume control includes an RF input and a mixing means with the RF input being connected to and providing one input for the mixing means. A voltage controlled oscillator is connected to the mixing means and provides the other input thereto. The output from the mixing means is an IF FM sound signal which is connected to a demodulator. A remotely operable deviation control is connected to the output of the demodulator for changing the amplitude of the demodulated sound signal. The deviation control is connected to and provides a deviation controlled input for the VCO.

REFERENCES:
patent: 4470071 (1984-09-01), Rindal
patent: 4490943 (1984-12-01), Mycynek et al.

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