Electro-optical sensors with fiber optic bundles

Details Electro-optical sensors with fiber optic bundles Electro-optical sensors with fiber optic bundles

1980-07-29

1984-04-10

Rosenberger, R. A.

Optics: measuring and testing

By polarized light examination

With light attenuation

356384, 350 9624, 250227, 250578, G01B 1114

Patent

active

044418175

ABSTRACT:
Method and apparatus for determining physical characteristics of an object, such as its location, utilizing a non-coherent fiber optic bundle. In one embodiment, a non-coherent fiber optic bundle containing up to 30% randomly non-aligned fibers is utilized and an object is imaged onto one end of the bundle and the image is transferred from the other end of the bundle to a photodetector comprising a plurality of discrete photodetector elements. The area of the lighted or unlighted portion at the other end of the bundle is utilized to determine the physical characteristics of the object.

REFERENCES:
patent: 3244894 (1966-04-01), Steele et al.
patent: 3652855 (1972-03-01), McIntyre et al.
patent: 3663822 (1972-05-01), Uchida
patent: 4147977 (1979-04-01), Dimmick
patent: 4150287 (1979-04-01), Perkins
patent: 4287414 (1981-09-01), Soo et al.
Hamrick et al., "Optical Displacement Measuring Device", IBM Disclosure Bulletin, vol. 4, No. 7, (Dec. 1961), p. 85.

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