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:
Aug. 26, 2014

Filed:

Jul. 16, 2012
Applicants:

Helen Haekyung Shin, Fairport, NY (US);

David A. Mantell, Rochester, NY (US);

Jeffrey J. Folkins, Rochester, NY (US);

Patricia J. Donaldson, Pittsford, NY (US);

John Gary Shaw, Victor, NY (US);

Inventors:

Helen HaeKyung Shin, Fairport, NY (US);

David A. Mantell, Rochester, NY (US);

Jeffrey J. Folkins, Rochester, NY (US);

Patricia J. Donaldson, Pittsford, NY (US);

John Gary Shaw, Victor, NY (US);

Assignee:

Xerox Corporation, Norwalk, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04588 (2013.01); B41J 2/0459 (2013.01); B41J 2/04591 (2013.01);
Abstract

A method of operating an inkjet printer reduces ink drop placement errors in a process direction. The method includes generating firing signals for inkjets in a printhead at a first frequency and initiating the generation of the firing signals to a first plurality of inkjets in the printhead at a second frequency, the first frequency being greater than the second frequency.


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