US PATENT SUBCLASS 348 / 597
.~.~.~.~ For generation of soft edge (e.g., blending)

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}
597.~.~.~.~ For generation of soft edge (e.g., blending)

DEFINITION

Classification: 348/597

For generation of soft edge (e.g., blending):

(under subclass 590) Subject matter including a circuitry for increasing the amplitude of one image signal while reducing the other image signal where the two images meet.