Optical sensors

Details Optical sensors Optical sensors

1976-08-02

1978-05-30

Buczinski, S. C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

250203R, 356141, 356172, G01B 1126

Patent

active

040920720

ABSTRACT:
An angular position sensor having a housing with an aperture in the form of two mutually inclined slits. Behind the aperture is a linear array of light sensitive elements which intercepts laminar light beams developed by the slits from light from a small light source. The positions of interception of the light on the array constitute a measure of the angular position of the light source in elevation and azimuth.

REFERENCES:
patent: 3147384 (1964-09-01), Fenton et al.
patent: 3717413 (1973-02-01), Kubo et al.
patent: 3827807 (1974-08-01), Fletcher et al.
patent: 3951550 (1976-04-01), Slik
patent: 3989384 (1976-11-01), Friedman

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