US PATENT SUBCLASS 348 / 688
.~.~ By subtracting averaged active video portion (e.g., flare)

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
687  DF  .~ Brightness control {2}
688.~.~ By subtracting averaged active video portion (e.g., flare)

DEFINITION

Classification: 348/688

By subtracting averaged active video portion (e.g., flare):

(under subclass 687) Subject matter including circuitry for detecting an average level of the active TV signal and subtracting the detected level therefrom.