Dark level restoring circuit

Details Dark level restoring circuit Dark level restoring circuit

H - Electricity

04

N

350/83

H04N 5/16 (2006.01)

Patent

CA 1220851

ABSTRACT OF THE DISCLOSURE A dark signal component below a predetermined level of a video signal is varied such that a dark peak level is made to coincide with a pedestal level by feedback control. According to this configuration, a signal component toward a white level side above the predetermined level is not changed by dark restoration, thus obtaining stable color reproduction and stable brightness which are not affected by the dark restoring operation.

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