US PATENT SUBCLASS 348 / 636
.~.~ At transmitter

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
634  DF  .~ Picture blanking {3}
636.~.~ At transmitter

DEFINITION

Classification: 348/636

At transmitter:

(under subclass 634) Subject matter wherein the blanking is preformed at the signal source.