Gauging surfaces by remotely tracking multiple images

Details Gauging surfaces by remotely tracking multiple images Gauging surfaces by remotely tracking multiple images

1975-05-08

1976-10-19

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging to a point with two or more projected...

356 4, 356167, G01B 1124

Patent

active

039867749

ABSTRACT:
A system for measuring the surface contour of an object by tracking the image of a spot of radiation focused on the surface is disclosed. The radiation spot is imaged on a plurality of suitable detectors which are remote to the surface and connected electrically in parallel. Continuous data on the contour of the surface is provided even though irregularities on the surface interfere with the scattered radiation propagating along the line of sight to one of the detectors. This highly accurate system is servocontrolled and can be automated for recording, storing or displaying data.

REFERENCES:
patent: 3655990 (1972-04-01), Nordquist
patent: 3858983 (1975-01-01), Foster et al.
patent: 3909131 (1975-09-01), Waters

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