Communication system

Details Communication system Communication system

2006-12-26

2006-12-26

Corrielus, Jean B (Department: 2611)

Pulse or digital communications

Cable systems and components

C375S285000, C375S350000, C375S319000, C327S309000, C327S321000, C333S001000, C333S017200

Reexamination Certificate

active

07154954

ABSTRACT:
A communication system in which a reception signal can be accurately obtained from a signal transmitted over two-wire type transmission lines without any significant reduction in the communication speed. The communication system utilizing two-wire type transmission lines for transmitting transmission signals in opposite phases has a plurality of nodes connected to the two-wire type transmission lines, and each of the nodes incorporates terminating resistors acting upon the two-wire type transmission lines. A node which includes a reception circuit for receiving a transmission signal has an AC coupling circuit for extracting AC components in a transmission signal input through the transmission lines, a bias circuit for applying a bias voltage to a signal output from the AC coupling circuit and a clip circuit for clipping the level of a signal output from the bias circuit, which are provided at each of the two-wire type transmission lines.

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German Office Action, dated Feb. 14, 2006.

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