Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1981-07-15
1983-12-20
Martin, John C.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455 15, 455606, H04B 900
Patent
active
044221797
ABSTRACT:
An electrical-optical interface network for use in a carrier-sense, multiple-access system with collision-detection provides two-way transmission between an electrical circuit (5,7,9) and a pair of lightguides (21,22), but prevents signal transmission between the lightguides.
REFERENCES:
patent: 3991287 (1976-09-01), May, Jr. et al.
patent: 4124776 (1978-11-01), Nocker
patent: 4234970 (1980-11-01), Beasley et al.
patent: 4271536 (1981-06-01), Copeland
Fourth European Conference on Optical Communications, Genoa, Italy, Sep. 1978 Conference Proceedings-"Fibernet: A Fiber Optic Computer Network Experiment"-Rawson-Metcalfe-Norton-Naffarate-Cronshaw.
Bell Telephone Laboratories Incorporated
Coles Edward L.
Martin John C.
Sherman S.
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