Fiber optic angular sensor

Details Fiber optic angular sensor Fiber optic angular sensor

1983-03-09

1984-07-10

Buczinski, S. C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

250221, 250227, G01B 1126, G01V 904, G06M 700, G02B 514

Patent

active

044590229

ABSTRACT:
A device for responding to the angular orientation of a control handle or other object comprises an electrically passive sensing head connected to a measurement device by an optical cable. In the sensing head, light is emitted from an optical fiber, reflected from a concave mirror mounted on the handle and intercepted by a plurality of optical fibers. The intensity of light intercepted by these fibers provides a measure of the tilt of the handle.

REFERENCES:
patent: 3182291 (1965-05-01), Nassimbene
patent: 3395287 (1968-07-01), Rajac
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patent: 3521072 (1970-07-01), Wipson et al.
patent: 3811047 (1974-05-01), Shragel
patent: 3886361 (1975-05-01), Wester
patent: 4201443 (1980-05-01), Hodge
patent: 4210029 (1980-07-01), Porter
patent: 4250378 (1981-02-01), Mutton
patent: 4260187 (1981-04-01), Frosch et al.
M. W. Carmichael, IBM Tech. Discl. Bulletin, vol. 19, No. 6, Nov. 1976, p. 2226, 340/365 P.

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