Electro-optical communication station with built-in test means

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

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359152, 371 201, 370 13, H04B 1008

Patent

active

055067093

ABSTRACT:
A station-to-station communication system with a built-in testing arrangement in at least one of the stations. The testing arrangement includes a transmitter/receiver pair with associated light/electricity and electricity/light transducers connectable at will by controlled switching means. When the transmitter/receiver pair is connected to each other, electro-optical light signals emitted by the transmitter are returned to the receiver and produce perceptible signals.

REFERENCES:
patent: 4994675 (1991-02-01), Levin et al.
patent: 5210703 (1993-05-01), Hodgson
patent: 5345230 (1994-09-01), Jackson et al.
patent: 5367394 (1994-11-01), Chuter et al.

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