US PATENT SUBCLASS 348 / 654
.~.~ By phase change of chrominance signal or subcarrier

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
649  DF  .~ Hue control {4}
654.~.~ By phase change of chrominance signal or subcarrier

DEFINITION

Classification: 348/654

By phase change of chrominance signal or subcarrier:

(under subclass 649) Subject matter including apparatus for changing the phase of the chrominance signal and/or reference signal to adjust the hue of the displayed signal.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

141+, for miscellaneous synchronizing circuits and subclasses 231+ for miscellaneous phase shift circuits.