Fiber optics duplex module

Details Fiber optics duplex module Fiber optics duplex module

1978-10-18

1981-04-14

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350 9615, 350 9621, H04B 900

Patent

active

042623626

ABSTRACT:
A duplex module for simultaneous bidirectional transmit-receive communication with the end of an optical fiber or fiber bundle. The end face of an optical fiber in optical coupling registry with one end of a common bidirectional transmit-receive optical path is tilted to divert any transmit signal back-reflected from such end out of such path. The other end of the transmit-receive path is affiliated with signal receiver and transmitter means via a beam splitter.

REFERENCES:
patent: 3297875 (1967-01-01), Garwin et al.
patent: 3953727 (1976-04-01), d'Avria et al.
patent: 4158477 (1979-06-01), Phillips et al.
d'Auria et al., Composants pour Liaisons par Faisceaux des Fibres Optiques Revue Technique Thompson CSF, vol. 7, #4, Dec. 1975, pp. 651-658.

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