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:
May. 16, 2000
Filed:
Sep. 29, 1997
Applicant:
Inventors:
Detlef Paul, Stutensee, DE;
Heribert Geisselmann, Stutensee, DE;
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
3562371 ; 3562372 ; 3562381 ;
Abstract
In a method of and an apparatus for detecting three-dimensional defects in he automatic inspection of moving surfaces by means of a color vision system the surface of a moving test specimen which is to be inspected is illuminated with light of different colors simultaneously from at least two different directions, such that edges of three-dimensional defects on the surface appear with a different coloring, and on the basis of the altered coloring, at least two channels of the color image are evaluated to detect three-dimensional defects and to differentiate same from planar defects.