Measurement system

Optics: measuring and testing – Angle measuring or angular axial alignment – With screen

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Details

356138, 427 10, 427596, G01B 1126, G01C 100, B05D 100

Patent

active

052989666

ABSTRACT:
A contact-free, optical measurement system for determining the precision with which an article rotates. A reflective surface is secured to a rotating surface and a light source, such as a laser, is disposed thereabove. A target is likewise secured in association with the light source to receive the reflected light from the spinning surface. In this manner, any dynamic angular misalignment, or wobble, in the spinning surface will be manifested in movement of the reflected light upon the target. The degree of wobble of the spinning surface may then be readily ascertained.

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patent: 4995726 (1991-02-01), Fujita et al.

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