Telegraphy – Systems – Simplex-reversing periodic
Patent
1974-02-27
1976-03-30
Griffin, Robert L.
Telegraphy
Systems
Simplex-reversing periodic
178 73DC, H04N 516
Patent
active
039476316
ABSTRACT:
An automatic video signal control circuit for a television receiver includes apparatus for generating horizontal and vertical pulse signals to effect cancellation of the horizontal and vertical blanking pulse signals in a received television signal and for providing a video signal having a black level derived from the peak black level in the video portion of the received signal and a white level derived from the combined average and peak white level in the video portion of the received signal.
REFERENCES:
patent: 3514533 (1970-05-01), Weger
patent: 3760099 (1973-09-01), Kong
Rhee Dong Woo
Thomas Joseph Edward
Buffton Thomas H.
Griffin Robert L.
GTE Sylvania Incorporated
Krenzer Cyril A.
O'Malley Norman J.
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