Optical sensor system

Details Optical sensor system Optical sensor system

1989-05-18

1990-12-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250216, H01J 516

Patent

active

049788507

ABSTRACT:
An optical sensor system comprising a measuring head, a light source and a light detector which are connected to each other via flexible optical fiber cables. Since the measuring head may be made lightweight and vibration of the measuring head may be insulated from the light source and the light detector by the optical fiber cables, even when the object to be measured consists of a vibrating object, a high level of accuracy can be attained. In particular, if the measuring head comprises a coaxial light projector and light receiver, it can be designed as a highly compact structure which is highly resistant to vibrations. The measurement by the measuring head may be based on the use of the light receiver for the detection of fluorescent light produced from the object to be measured as a result of light radiation from the light projector.

REFERENCES:
patent: 3711723 (1973-01-01), McMurtry
patent: 4377086 (1983-03-01), Linder et al.
patent: 4425788 (1984-01-01), Franke et al.
patent: 4500204 (1985-02-01), Ogura et al.
patent: 4661695 (1987-04-01), Mori et al.
patent: 4750835 (1988-06-01), McMurtry

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