US PATENT SUBCLASS 348 / 478
.~.~.~ During vertical blanking

Current as of: June, 1999
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469  DF  FORMAT {6}
473  DF  .~ Including additional information {5}
476  DF  .~.~ During sync, blanking, or overscan {4}
478.~.~.~ During vertical blanking

DEFINITION

Classification: 348/478

During vertical blanking:

(under subclass 476) Subject matter wherein the time interval is a time period of the vertical retrace.