US PATENT SUBCLASS 348 / 633
.~.~ Including picture blanking

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
632  DF  .~ Sound muting {1}
633.~.~ Including picture blanking

DEFINITION

Classification: 348/633

Including picture blanking:

(under subclass 632) Subject matter including an apparatus for cutting off the electron beam during selected portions of the television signal.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

384, for cathode-ray tube deflection circuits with ray blanking.