US PATENT SUBCLASS 348 / 712
.~.~ Luminance channel circuitry

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
708  DF  .~ Color television signal processing {5}
712.~.~ Luminance channel circuitry

DEFINITION

Classification: 348/712

Luminance channel circuitry:

(under subclass 708) Subject matter including specific circuitry of particular utility in the luminance section of a color television device.

(1) Note. Examples of devices classified herein are luminance delay lines, brightness controls, and contrast controls.