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:
Jun. 02, 1992
Filed:
Mar. 19, 1990
Applicant:
Inventors:
Mark D Brown, Carrollton, TX (US);
Stephen B Kaiser, Flower Mound, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; F21V / ;
U.S. Cl.
CPC ...
356394 ; 356237 ;
Abstract
An apparatus and method for inspecting coatings on the surface of an object includes a light source of a ring light to uniformly light an object that is placed inside a diffusing view chamber. A video system measures the reflected light intensity from the surface of the object to determine if there are voids in the surface coating.