Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1980-11-17
1982-11-23
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
367 76, 367 78, 367 79, G01V 122
Patent
active
043607292
ABSTRACT:
A seismic cable connector is provided for use with a dual fiber cable in a fiber optic seismic exploration system. The connector contains a digital transceiver which includes an optical detector connected to one fiber of the cable and a fiber optic transmitter connected to the other fiber. The digital transceiver is housed in an environmentally sealed case to protect the transceiver and the ends of the optical fibers from being affected or damaged during use in the field. The transceiver is activated by transistor-transistor logic contained within the connector. The optical fibers are protected by buffer tubes extending the length of the cable. A sixty-one pin electrical plug is provided in the cable connector for mating the connector with remote seismic data gathering units.
REFERENCES:
patent: 3792284 (1974-02-01), Kaelin
patent: 3877052 (1975-04-01), Dixon et al.
patent: 3968564 (1976-07-01), Springthorpe
patent: 3995935 (1976-12-01), McCartney
patent: 4072399 (1978-02-01), Love
patent: 4092061 (1978-05-01), Stigliani, Jr.
patent: 4117448 (1978-09-01), Siems
patent: 4118100 (1978-10-01), Goell et al.
patent: 4130343 (1978-12-01), Miller et al.
"Fiber-Optic Data Transmission: A Practical, Low-Cost Technology," Electronics (Sep. 2, 1976).
"High Radiance Light Emitting Diode As Optical Fiber Transmission Line Sources," Review of the Electrical Communication Laboratories, (vol. 24, Nos. 3-4, Mar.-Apr. 1976).
3M New Product Bulletin, 3M Brand Fiber Optic Data Link.
Bacha Donald J.
Harvey Donald W.
Geosource Inc.
Hostetter Darwin R.
Nelms David C.
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