Video signal mixing system

Details Video signal mixing system Video signal mixing system

H - Electricity

04

N

350/84

H04N 5/14 (2006.01) F02B 75/20 (2006.01) F02F 1/24 (2006.01)

Patent

CA 1128653

ABSTRACT OF THE DISCLOSURE A video signal mixing system in which a blanking portion is formed at a predetermined interval in a first video signal by a blanking signal, and a second video signal is inserted into the formed blanking portion of the first video signal, and in which a pedestal level of the first video signal is detected and held, and the blanking level of the blanking portion is clamped at the held pedestal level of the first video signal with the application of the blanking signal.

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