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.:

US 7667878 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 23, 2010

Filed:

Mar. 07, 2006
Applicants:

John V. Korhonen, Letchworth Garden City, GB;

James R. Finnie, St. Albans, GB;

Inventors:

John V. Korhonen, Letchworth Garden City, GB;

James R. Finnie, St. Albans, GB;

Assignee:

Xerox Corporation, Norwalk, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a document handling system for moving documents for imaging over a transparent platen that is subject to contamination, and having a shared repositionable document illumination system that is normally positioned in a park position substantially spaced from this moving documents imaging platen area, wherein in response to lifting the document handling system and the activation of a diagnostics routine, which can be activated from detected image contamination, the repositionable document illumination system is automatically moved under the moving documents platen and activated to illuminate that platen area from underneath to illuminate the contamination thereon for cleaning.


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