Fiber optic sensor system with a redundancy means and optimized

Details Fiber optic sensor system with a redundancy means and optimized Fiber optic sensor system with a redundancy means and optimized

1991-09-23

1993-03-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022723, 25022724, H01J 516

Patent

active

051912082

ABSTRACT:
A dual wavelength fiber optic monitoring system utilizes the principle of conservation of throughput to permit the use of a plurality of transducers illuminated by a single source unit. Redundancy is provided by using a plurality of sources and detector units and by the use of optical couplers to transmit the light beams between these elements.

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patent: 4760250 (1988-07-01), Loeppert
patent: 4888480 (1989-12-01), Dakin et al.
patent: 4907857 (1990-03-01), Giuliani et al.
patent: 5031985 (1991-07-01), Shinoda et al.

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