Optical radius gauge

Details Optical radius gauge Optical radius gauge

G - Physics

01

B

33/60

G01B 11/24 (2006.01)

Patent

CA 2013337

A non-contacting system for measuring the radius of a curved surface. The system includes a light source for illuminating the surface along the intersection of the surface with a plane which includes the radius to be measured. A lens, arranged such that its principal axis is perpendicular to the plane which includes the radius to be measured, is utilized to project a distortion free image of the intersection onto the photosensitive array within a video camera. The video signal generated by the camera is provided to a microcomputer which calculates surface radius from the image data included in the video signal.

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