The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1986
Filed:
Oct. 17, 1984
Applicant:
Inventor:
Steven J White, Seattle, WA (US);
Assignee:
Technical Arts Corporation, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G02B / ;
U.S. Cl.
CPC ...
364560 ; 356376 ; 358107 ; 358903 ; 364830 ;
Abstract
A method and apparatus are disclosed for determining the spatial coordinates of a workpiece including: a planar light source for illuminating the workpiece; an electronic imaging device adapted to view the intersection of the planar light and the workpiece; pulse signals including pulses representative of said intersections; and a device for determining the centroid of the pulse by integrating the pulse signal over a selected interval including the pulse, integrating the result of the first integration in like manner and dividing the result of the second integration by the result of the first integration.