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:
Jan. 31, 1989
Filed:
Jul. 13, 1987
Applicant:
Inventor:
Dusan A Koso, Cambridge, MA (US);
Assignee:
Gerber Scientific, Inc., South Windsor, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250572 ; 250216 ; 356430 ;
Abstract
An elliptical reflector illumination system for inspection of printed wiring boards including an elliptical reflector element for mounting above the board to be inspected with a region of the board generally at a first elliptical focus of the reflector element. There is a light source mounted generally at a second elliptical focus of the elliptical reflector element for illuminating substantially all facets of the region of the board at the first focus. One or more detectors are provided for sensing light reflected from the illuminated facets of at least a portion of the illuminated region of the board at the first focus.