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:
Dec. 07, 2010
Filed:
Jul. 02, 2007
Applicant:
Zhenhuan Wen, Pittsford, NY (US);
Inventor:
Zhenhuan Wen, Pittsford, NY (US);
Assignee:
Xerox Corporation, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of converting black to composite/process black in a digital color print engine. A lightness adjustment is employed for converting input image (O, O, O, K) to Kand initial values of C, M, Yare set equal to Kand then converted to C, M, Y, Kby GCR strategy. Values of C, M, Y, Kare determined by Gray Balance Adjustment for values of C, M, Y, Kand inputted to the color print engine. The user may disable the conversion to composite black and print black ink/tones if desired. The user may also input different parameters for Lightness Adjustment, Gray Component Replacement and Gray Balance Adjustment.