H - Electricity – 04 – B
Patent
H - Electricity
04
B
333/12
H04B 1/58 (2006.01) H04B 3/03 (2006.01)
Patent
CA 1208715
AN ADAPTIVE HYBRID Abstract of the Disclosure An adaptive hybrid arrangement for interfacing a bidirectional communications channel with two unidirectional channels, especially for connecting a two-wire telephone line to a four-wire telephone trunk or repeater, comprises a hybrid having four ports. One port is for the two-wire or bidirectional channel, the second and third are for the unidirectional channels. A multi-element balancing network is connected to the fourth port, i.e. opposite to the port connected to the bidirectional channel. A correlation detector detects correlation between a signal in one of the unidirectional channels and an error signal in the other. If correlation exists, an adjusting device adjusts the balancing network so as to reduce such correlation. (i)
453967
Adams Thomas
Nortel Networks Limited
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