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:
Apr. 08, 2014
Filed:
Jan. 06, 2012
Applicants:
Kartheek Chandu, Longmont, CO (US);
Mikel J. Stanich, Longmont, CO (US);
Chai Wah Wu, Hopewell Junction, NY (US);
Barry M. Trager, Yorktown Heights, NY (US);
Inventors:
Kartheek Chandu, Longmont, CO (US);
Mikel J. Stanich, Longmont, CO (US);
Chai Wah Wu, Hopewell Junction, NY (US);
Barry M. Trager, Yorktown Heights, NY (US);
Assignee:
InfoPrint Solutions Company LLC, Boulder, CO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is disclosed. The method includes generating a seed pattern which ensures one dot per column, computing an auto correlation function and performing pixel error processing. Pixel error processing includes performing multiple operations during each iteration to create visually pleasing halftone mask patterns which follow a one dot per column constraint.