Systems and methods for illuminating objects for vision systems

Details Systems and methods for illuminating objects for vision systems Systems and methods for illuminating objects for vision systems

G - Physics

01

B

240/126

G01B 11/00 (2006.01)

Patent

CA 1293232

Abstract of the Disclosure An illumination system, particularly suitable for use with automatic vision system, employing an image sensing device or system, illuminates an object under analysis with the cone of light that may cover 360° or only an arc segment about a part of the object under analysis. Light from a ring source is directed toward a curved parabolic surface on a light collector ring that substantially collimates the light and tans it out radially out toward a toroidal reflector surface on an encompassing ring, the relative position of which determines the angle of incidence of a cone of light formed to fall in the region of the object, so as to illuminate particular features with optimal efficiency. To change the angle of incidence while maintaining focus, a differential drive mechanism moves the parabolic collector ring and the toroidal angle generator ring in differential fashion concurrently.

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