Selectable hybrid circuitry for transmission systems and...

Details Selectable hybrid circuitry for transmission systems and... Selectable hybrid circuitry for transmission systems and...

2006-10-23

2009-08-18

Bocure, Tesfaldet (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C375S219000, C375S295000, C375S377000, C379S093010

Reexamination Certificate

active

07577189

ABSTRACT:
A method is provided that includes selectively engaging impedance circuits one at a time from a plurality of selectable impedance circuits in-line with a communication channel. Each of the plurality of selectable impedance circuits includes a hybrid circuit responsive to a modem and to the communication channel. The method further includes determining a performance characteristic for each of the impedance circuits and selecting one of the plurality of selectable impedance circuits for transmission based on the respective performance characteristic.

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