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:
Jul. 13, 1993
Filed:
Apr. 17, 1992
Applicant:
Inventors:
James S Nakos, Essex, VT (US);
Paul E Bakeman, Jr, South Burlington, VT (US);
Dale P Hallock, Bristol, VT (US);
Jerome B Lasky, Essex Junction, VT (US);
Scott L Pennington, South Burlington, VT (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ;
U.S. Cl.
CPC ...
374133 ; 374126 ; 2503381 ;
Abstract
An improved contactless temperature measurement system is provided which includes a workpiece, a chamber containing the workpiece with the walls thereof being substantially transmissive to radiation at wavelengths other than a given wavelength and substantially reflective at the given wavelength to remove the dependence of the apparent or measured temperature on the workpiece emissivity variations or fluctuations.