US PATENT SUBCLASS 348 / 476
.~.~ During sync, blanking, or overscan

Current as of: June, 1999
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348 /   HD   TELEVISION

469  DF  FORMAT {6}
473  DF  .~ Including additional information {5}
476.~.~ During sync, blanking, or overscan {4}
477  DF  .~.~.~> During both vertical and horizontal blanking
478  DF  .~.~.~> During vertical blanking
479  DF  .~.~.~> During horizontal blanking {1}
482  DF  .~.~.~> Sound signal {1}

DEFINITION

Classification: 348/476

During sync, blanking, or overscan:

(under subclass 473) Subject matter wherein the signal component occupies a time interval not occupied by the normal display video.