Optical positioning method and system

Details Optical positioning method and system Optical positioning method and system

1989-06-23

1991-02-12

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

356 1, G01B 1114

Patent

active

049919660

ABSTRACT:
An optical positioning method and system (1) indicates achievement of a desired distance between a sprayhead (2) and a workpiece (4). The desired distance is indicated when a primary light pattern (16) converges with a secondary light pattern (20) directed from other than a coaxial orientation. A procedure for programming a workpiece's contours is described, which also allows for visual verification of the program.

REFERENCES:
patent: 3904280 (1975-09-01), Tate, Jr.
patent: 4627183 (1986-12-01), Stuckman
patent: 4777754 (1988-10-01), Reynolds, Jr.
patent: 4888490 (1989-12-01), Bass et al.

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