Automatic chroma level system

Details Automatic chroma level system Automatic chroma level system

H - Electricity

04

N

350/60

H04N 9/68 (2006.01)

Patent

CA 1090464

ABSTRACT OF THE DISCLOSURE A color television receiver chrominance channel has first and second chrominance amplifiers supplying chrominance demodulators. An automatic chrominance control (ACC) is opera- tive upon the first chrominance amplifier to maintain a substan- tially constant signal level. An automatic chrominance level control including a symmetrical amplitude limiter having a non- linear gain characteristic for chrominance signals above a pre- determined amplitude threshold is interposed between the first and second chrominance amplifiers. - 2 -

291407

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