US PATENT SUBCLASS 370 / 291
.~.~.~.~ Using a transversal filter

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

276  DF  DUPLEX {6}
282  DF  .~ Transmit/receive interaction control {4}
286  DF  .~.~ Echo suppression or cancellation {5}
290  DF  .~.~.~ Using a particular adaptive filter {1}
291.~.~.~.~ Using a transversal filter

DEFINITION

Classification: 370/291

Using a transversal filter:

(under subclass 290) Subject matter wherein the filtering apparatus is consists of one or more tapped delay lines with a summing or weighing circuit.