US PATENT SUBCLASS 455 / 284
.~.~.~.~ Balancing or cancelling


Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
269  DF  .~ With wave collector (e.g., antenna) {4}
280  DF  .~.~ With coupling to a stage of the receiver {7}
283  DF  .~.~.~ Undesired signal or noise control (e.g., antistatic) {5}
284.~.~.~.~ Balancing or cancelling


DEFINITION

Classification: 455/284

Balancing or cancelling:

(under subclass 283) Subject matter including significant means for producing a balancing or neutralizing current or voltage of opposite phase and equal intensity to that resulting from the unwanted signal whereby the unwanted signal is suppressed at the input to the receiver.