US PATENT SUBCLASS 348 / 596
.~.~.~.~.~ Window signal generator (e.g., rectangle)

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
578  DF  .~ Special effects {3}
584  DF  .~.~ Combining plural sources {7}
590  DF  .~.~.~ Specified details of key signal generation or processing {3}
593  DF  .~.~.~.~ Artificial key generation {3}
596.~.~.~.~.~ Window signal generator (e.g., rectangle)

DEFINITION

Classification: 348/596

Window signal generator (e.g., rectangle):

(under subclass 593) Subject matter including a circuitry for defining an area in the image.