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:
Apr. 12, 1994
Filed:
Feb. 24, 1992
Applicant:
Inventor:
Michael G Taranowski, Milwaukee, WI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356406 ; 250226 ; 356402 ;
Abstract
A light transmitting source for a color sensor utilizes a plurality of light emitting diodes emitting light in a predetermined narrow range of wavelength whose emitted light strikes a surface of a lightpipe whereupon the light is reflected and refracted and directed to a common reflection point and where each emitted light is attenuated by the reflection and refraction a desired amount and directed to illuminate an object whose color is to be measured.