Method and apparatus for determining object position and dimensi

Details Method and apparatus for determining object position and dimensi Method and apparatus for determining object position and dimensi

1976-11-24

1978-12-26

Clark, Conrad J.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356400, 356387, G01B 902, G01B 1126

Patent

active

041313658

ABSTRACT:
The disclosed invention relates to methods and apparatus for obtaining the dimension, position or angle of an object using a point on the object boundary surface to create a diffraction wave when illuminated by a laser beam or other source of electro-magnetic radiation. This diffraction wave is then analyzed to obtain information as to the position point tangent to the laser beam or the angular orientation of the object boundary at said object point.

REFERENCES:
patent: 3749500 (1973-07-01), Carlson
patent: 3781115 (1973-12-01), Rader

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