Data communications system that prevents undesired coupling betw

Details Data communications system that prevents undesired coupling betw Data communications system that prevents undesired coupling betw

1990-05-04

1992-09-08

Coles, Sr., Edward L.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, H04B 1000

Patent

active

051463571

ABSTRACT:
A data communications transceiver or configuration prevents undesired coupling between data stations by eliminating any connection between the ground path circuits of those data stations and line conductors connecting such stations together. The line conductors can be metallic and are coupled to the data stations by optical couplers. The optical couplers are powered from power sources that are totally separate and independent from any power sources associated with the data stations.

REFERENCES:
patent: 4225752 (1980-09-01), Looschen
patent: 4596048 (1986-06-01), Dunki-Jacobs
patent: 4638167 (1987-01-01), LeSeure
patent: 4691384 (1987-09-01), Jobe

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