Remote muting for CATV/STV converters

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

358198, 358 86, H04N 716, H04N 712

Patent

active

043957340

ABSTRACT:
A television signal processing apparatus is responsive to a received television signal for translating the frequency spectrum thereof to a frequency band characterized by a fixed frequency carrier signal frequency modulated in accordance with a baseband audio signal. The frequency modulated carrier signal is combined with an unmodulated CW muting signal having a frequency approximately equal to the frequency of the carrier signal to facilitate remotely controlled muting of the baseband audio signal in accordance with the FM capture effect.

REFERENCES:
patent: 3202758 (1965-08-01), Brownstein
patent: 3760097 (1973-09-01), Burroughs
patent: 3896262 (1975-07-01), Hudspeth
patent: 4039954 (1977-08-01), den Toonder
patent: 4148064 (1979-04-01), Reed
patent: 4317214 (1982-02-01), Attinello

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