Blanking signal mixing circuit

Details Blanking signal mixing circuit Blanking signal mixing circuit

1984-08-07

1986-12-16

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 30, 358 17, H04N 967

Patent

active

046301038

ABSTRACT:
A blanking signal mixing circuit for mixing blanking signals in each of a plurality of picture signals flowing in parallel includes individual inputs for receiving in parallel picture signals into the mixing circuit, a single switching transistor which controls a common connection between a power source and each of the individual inputs, the single switching transistor being rendered conductive by a blanking signal, and a plurality of diodes which prevent leakage of any of the picture signals into other picture signals through the common connection.

REFERENCES:
patent: 4458263 (1984-07-01), Schutte
patent: 4481529 (1984-11-01), Kerling
"Color-Television" pp. 362-366, Section 5.5.12 Process Amplifier, published in 1961 by Nippon Hoso Kyokai.

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