System for detecting the angular position of a mechanical device

Details System for detecting the angular position of a mechanical device System for detecting the angular position of a mechanical device

1984-10-24

1987-04-21

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

250230, G01B 1126, G01C 100, G01D 530

Patent

active

046592199

ABSTRACT:
The invention provides a system for detecting the angular position of a mechanical device.
The invention consists in providing the image of a slit of predetermined width on a mirror firmly fixed to said mechanical device and in reflecting the image on a semi conductor receiver comprising an array of photosensitive elements and a charge coupling device, deducing therefrom the angular position of said mechanical device and correcting the reading of the measurement supplied.

REFERENCES:
patent: 3885877 (1975-05-01), Horwath et al.
patent: 4127781 (1978-11-01), Sato
patent: 4152588 (1979-05-01), Klatt et al.
patent: 4395123 (1983-07-01), Minott
patent: 4521112 (1985-06-01), Kuwabara et al.
patent: 4568182 (1986-02-01), Modjallal
Technisches Messen, vol. 46, No. 6, Jun. 1979, pp. 249-254, Munich, DE; W. Schulz: "Optoelektronische Messverfahren mit Doppeldioden" (p. 253, para. 3.6; FIG. 8).
Soviet Instrumentation and Control Journal, No. 8, Aug. 1971, pp. 32-35, Oxford, GB; A. P. Grammatin et al.: "Measuring instrument with a light-beam pointer and a flat scale" (pp. 32-35; FIGS.).

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