US PATENT SUBCLASS 348 / 584
.~.~ Combining plural sources


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.~.~ Combining plural sources {7}
585  DF  .~.~.~> Including priority key
586  DF  .~.~.~> Foreground/background insertion {1}
588  DF  .~.~.~> Multiple distinct images (e.g., splitscreen)
589  DF  .~.~.~> Including insertion of characters or graphics (e.g., titles)
590  DF  .~.~.~> Specified details of key signal generation or processing {3}
598  DF  .~.~.~> Specified details of signal combining {2}
601  DF  .~.~.~> Marker or pointer generator


DEFINITION

Classification: 348/584

Combining plural sources:

(under subclass 578) Subject matter including a specific circuitry for forming a single signal from more than one source.