Method and apparatus for enabling the transmission of multiple w

Details Method and apparatus for enabling the transmission of multiple w Method and apparatus for enabling the transmission of multiple w

1996-07-03

1999-10-12

Lee, Benny T.

Wave transmission lines and networks

Plural channel systems

With balanced circuits

333236, 174 32, 174 34, 348 8, 348 12, H01P 304

Patent

active

059660562

ABSTRACT:
Method and apparatus for enabling the transmission of high bandwidth analog and digital data over cable lengths of more than 1000 feet through low cost semishielded or unshielded four wire cable are disclosed. Three balanced mode signals are transmitted using four conductors. In this configuration, the components A+ and A- of a first balanced mode signal A are respectively carried on a first pair of conductors, the components B+ and B- of a second balanced mode signal B are respectively carried on a second pair of conductors, and the components C+ and C- of a third balanced mode signal C are respectively carried on a pair of conductors synthesized through the commonality of the first and second conductor pairs, respectively. Using this technique, a new additional virtual ground plane is created wherein signal energy can be transmitted without interfering or combining with the other signals being transmitted on the remaining conductor pairs.

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patent: 5064966 (1991-11-01), Palmer
patent: 5304856 (1994-04-01), Rainal
patent: 5321372 (1994-06-01), Smith
patent: 5379005 (1995-01-01), Aden et al.

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