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. 19, 2012
Filed:
Jul. 31, 2009
Christopher J. Edge, St. Paul, MN (US);
Christopher J. Edge, St. Paul, MN (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A color measurement device includes an aperture for obtaining light from a color sample to be measured; a plurality of sets of color filters associated with human observer functions at different regions of color space; at least one detector for measuring the intensity of filtered light; an analog to digital converter for converting voltage signals from the at least one detector to digital values representative of tristimulus values associated with each of the sets of color filters; and a processor to combine the sets of tristimulus values in order to calculate a final set of tristimulus values, the combining being a function of at least one of the sets of tristimulus values.