US PATENT SUBCLASS 348 / 598
.~.~.~ Specified details of signal combining

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}
598.~.~.~ Specified details of signal combining {2}
599  DF  .~.~.~.~> Color signal
600  DF  .~.~.~.~> Graphic or character insertion type

DEFINITION

Classification: 348/598

Specified details of signal combining:

(under subclass 584) Subject matter including a circuitry for forming a single signal from two or more input signals.