(under subclass 277) Subject matter having means at a station to reduce, neutralize, or prevent transfer of an unwanted communication energy between a transmitter and a receiver so that the transmitted communication energy (e.g., carrier or message signal) does not adversely affect the receiver, or so that the received communication energy does not adversely
affect the transmitter.
(1) Note. Means may be provided to feed a portion of the transmission energy to the receiver, or a portion of the received energy to the transmitter for monitoring or cancellation.
