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.

Date of Patent:
Mar. 01, 2011

Filed:

Aug. 03, 2007
Applicants:

Julianna Elizabeth Lin, Rochester, NY (US);

Aaron Michael Burry, Ontario, NY (US);

Peter Paul, Webster, NY (US);

William C. Dean, Webster, NY (US);

William Lee Kennedy, Rochester, NY (US);

Inventors:

Julianna Elizabeth Lin, Rochester, NY (US);

Aaron Michael Burry, Ontario, NY (US);

Peter Paul, Webster, NY (US);

William C. Dean, Webster, NY (US);

William Lee Kennedy, Rochester, NY (US);

Assignee:

Xerox Corporation, Norwalk, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/55 (2006.01);
U.S. Cl.
CPC ...
Abstract

Aspects of the disclosure can provide a method of detecting a density of a pigmented layer on an object. The method can include emitting a first modulated light onto a first portion of the object having the pigmented layer, detecting a first reflected light of the first modulated light from the first portion of the object, and determining the density of the pigmented layer according to the first reflected light. Furthermore, the method can include emitting a second modulated light onto a second portion of the object, detecting a second reflected light of the second modulated light from the second portion of the object, and determining the density of the pigmented layer according to a relative ratio that is related to the first reflected light and the second reflected light.


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