Telegraphy – Systems – Simplex-reversing periodic
Patent
1975-11-21
1976-07-13
Martin, John C.
Telegraphy
Systems
Simplex-reversing periodic
178DIG26, H04N 514
Patent
active
039695794
ABSTRACT:
A secondary control circuit including contrast control, brightness control, and a peaking circuit means are all disposed on a printed circuit board and coupled into the video circuit of a television receiver by one pair of connectors.
REFERENCES:
patent: 2295059 (1942-09-01), Smyth
patent: 2514112 (1950-07-01), Wright et al.
patent: 3225139 (1965-12-01), Massman
patent: 3240875 (1966-03-01), Thomas
patent: 3306976 (1967-02-01), Massman et al.
Logan Robert Patrick
Wheeler Robert Charles
Buffton Thomas H.
GTE Sylvania Incorporated
Krenzer Cyril A.
Martin John C.
O'Malley Norman J.
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