Apparatus for clipping or limiting color signals to maintain color balance
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United States of America Patent
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-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Mar 31, 1992
filing date -
Mar 31, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A color video signal processing system determines when one component color signal has been limited by clipping and limits the other component color signals to maintain accurate hue in the reproduced image. In one system, the other color signals are held at their values at the instant the one signal was detected as being clipped until the signal is no longer clipped. In another system, an attenuation function is applied to the unclipped color signals when any one color signal is detected as being clipped.
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