Gamma correction circuit which selects one of a plurality of gamma corrected signals as an output signal based on the level of an input signal
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United States of America Patent
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Jan 2, 1996
Issued Date -
N/A
app pub date -
Sep 9, 1994
filing date -
Jan 14, 1992
priority date (Note) -
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Abstract
A gamma correction circuit includes a plurality of gamma function forming circuits, each of which modifies an input signal to provide different gamma correction signals. The input signal level is compared with a predetermined signal level, and based on the comparison one of the different gamma correction signals is selected as an output signal of the gamma correction circuit.
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