US PATENT SUBCLASS 348 / 15
.~.~ Conferencing

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}
15.~.~ Conferencing

DEFINITION

Classification: 348/15

Conferencing:

(under subclass 14) Subject matter wherein three or more terminals intercommunicate.