Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1975-01-27
1976-04-06
Griffin, Robert L.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 34, H04N 946, H04N 9535
Patent
active
039494187
ABSTRACT:
In a signal receiver utilizing a video signal having a blanking signal with a backporch portion whereat a color burst signal is disposed includes a ramp potential development means responsive to a pulse signal as well as a potential storage, clamping, and slope altering means for effecting alterations in the width of a burst gate potential. In another aspect, a potential storage, clamping, and slope altering means is responsive to the ramp potential development means for effecting clamping of the backporch portion of the blanking signal.
REFERENCES:
patent: 2840703 (1968-06-01), Dobson
patent: 2892018 (1959-06-01), Baugh
patent: 3231669 (1966-01-01), Ronzheimer
patent: 3305637 (1967-02-01), Loughlin et al.
patent: 3358155 (1967-12-01), Crosby
patent: 3541235 (1970-05-01), Kreseck et al.
patent: 3544708 (1970-12-01), Buechel
patent: 3549801 (1970-12-01), Davies et al.
Buffton Thomas H.
Griffin Robert L.
GTE Sylvania Incorporated
Martin John C.
O'Malley Norman J.
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