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:
Feb. 22, 2005
Filed:
Aug. 02, 2000
Applicant:
Tzyy-shuh Chang, Ann Arbor, MI (US);
Inventor:
Tzyy-Shuh Chang, Ann Arbor, MI (US);
Assignee:
OG Technologies, Inc., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B011/30 ;
U.S. Cl.
CPC ...
Abstract
An optical system for viewing hot objects is disclosed. The system projects electromagnetic radiation to the part surface and detects the reflected portion. Based on wavelength and/or modulation of the applied illumination, the surface characteristics of the part can be observed without interference from self-emitted radiation.