Computer network interconnecting apparatus

Details Computer network interconnecting apparatus Computer network interconnecting apparatus

1987-10-14

1989-06-13

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural load circuit systems

Transformer connections

333 25, H02J 300, H03H 500

Patent

active

048395315

ABSTRACT:
An interconnect device permits use of 150 ohm twisted pair transmission lines to interconnect computers designed for use with 75 ohm coaxial cable. The device includes a pair of toroidal transformers mounted in an aluminum housing and separated by a Faraday shield. The primary winding of each transformer is connected to a separate coaxial connector. The second winding of each transformer is connected over a separate a twisted conductor pair to one terminal of a balanced data connector assembly.

REFERENCES:
patent: 2754415 (1956-07-01), Schmidt, Jr.
patent: 3066266 (1962-11-01), Fisher
patent: 4631504 (1986-12-01), Matsuda et al.
patent: 4697051 (1987-09-01), Beggs et al.
patent: 4717896 (1988-01-01), Graham
patent: 4755629 (1988-07-01), Beggs et al.

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