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:
Aug. 27, 2019
Filed:
Oct. 30, 2015
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Marcos Casaldaliga, Sant Cugat del Valles, ES;
M. Isabel Borrell, Sant Cugat del Valles, ES;
Marti Rius, Sant Cugat del Valles, ES;
Jordi Sender, Sant Cugat del Valles, ES;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); B41J 2/045 (2006.01); B41J 2/155 (2006.01); H04N 1/60 (2006.01); H04N 1/407 (2006.01); B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
B41J 2/2146 (2013.01); B41J 2/04508 (2013.01); B41J 2/155 (2013.01); B41J 2/2132 (2013.01); H04N 1/4078 (2013.01); H04N 1/6041 (2013.01); B41J 2029/3935 (2013.01); B41J 2202/20 (2013.01);
Abstract
Examples describe a method in which first and second test patterns are printed onto a print medium. The first and second test patterns each vary in print density in opposing directions. A location is determined along the first and second test patterns having at least substantially equal visual density.