US PATENT SUBCLASS 348 / 17
.~.~ Transmission scheme

Current as of: June, 1999
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348 /   HD   TELEVISION

13  DF  TWO-WAY (E.G., INTERACTIVE) {1}
14  DF  .~ With voice capability (e.g., videophone) {4}
17.~.~ Transmission scheme {2}
18  DF  .~.~.~> Still frame (i.e., freeze frame)
19  DF  .~.~.~> Field or frame difference (e.g., moving frame)

DEFINITION

Classification: 348/17

Transmission scheme:

(under subclass 14) Subject matter including particular details for formatting, modulating, or combining voice and video signals which may include control or synchronization signals for transmission between stations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

469, for formatting a video signal in general.