US PATENT SUBCLASS 370 / 266
.~.~.~ Using summation of conferee signals

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

259  DF  SPECIAL SERVICES {3}
260  DF  .~ Conferencing {2}
263  DF  .~.~ Conferee signals combined or distributed via time channels {3}
266.~.~.~ Using summation of conferee signals {2}
267  DF  .~.~.~.~> Digital summation {1}
269  DF  .~.~.~.~> Including cancellation of certain signals

DEFINITION

Classification: 370/266

Using summation of conferee signals:

(under subclass 263) Subject matter including a technique for adding conferee signals.