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. 02, 2000
Filed:
Feb. 11, 1999
Mike Celentano, Indianapolis, IN (US);
Greg Wiley, Indianapolis, IN (US);
UMM Electronics, Inc., Indianapolis, IN (US);
Abstract
A method to compensate for lamp spectrum shift, comprises exposing a first detector to a first light from a lamp, thereby generating a first signal indicative of intensity of said first light; exposing a second detector to a wavelength (.lambda.) of a second light from said lamp, thereby generating a second signal indicative of intensity of said wavelength of said second light, after said second light has interacted with a sample; determining a new color temperature (T.sub.1) of said first light using the following equation
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