Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1982-07-14
1984-09-18
Martin, John C.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
H04N 552
Patent
active
044727399
ABSTRACT:
AGC system for a television receiver having a keyed AGC circuit, a peak or average AGC circuit and a switching circuit between a video signal intermediate frequency amplifier circuit and an video signal detection circuit, wherein automatic gain control (AGC) for video signals is effected by the keyed AGC circuit, which is commuted by using the switching circuit after having had the peak or average AGC circuit operated at the switch-on moment of the power supply.
REFERENCES:
patent: 4213151 (1980-07-01), Harford
Arima Kenji
Igarashi Hiroshi
Kishida Toshio
Yoshizawa Kunihiro
Clarion Co. Ltd.
Martin John C.
Sutherland Jeffrey
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