Optical interface to an electrical central office

Details Optical interface to an electrical central office Optical interface to an electrical central office

1983-08-29

1986-06-17

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455612, H04B 900

Patent

active

045960518

ABSTRACT:
An electro-optical interface unit is shown for interfacing an all-optical telephone to a conventional electrical-metallic-type telephone communications system, having conventional electrical subscriber units, switching, and supervisory systems. An overall all-optical telephone communication system, of which an all-optical telephone is a part, is envisioned. The disclosed system makes use of optical-acoustic-electrical types of transducer elements, light modulators, and optical junctions, among other novel elements.

REFERENCES:
patent: 4002897 (1977-01-01), Kleinman et al.
patent: 4284858 (1981-08-01), Nicholson
Feldman--An All Optical Telephone Set-Conf. 1981, Intern. Conf. on Comm. Denver Co., Jun. 14-18, 1981, pp. 31.5.1-31.5.4.

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