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:
Mar. 22, 2016
Filed:
Apr. 29, 2013
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Javier González Bruno, Terrassa Barcelona, ES;
David Soriano Fosas, Terrassa, ES;
Juan Luis López Rodriguez, Subirats Barcelona, ES;
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04501 (2013.01); B41J 2/0458 (2013.01); B41J 2/04548 (2013.01);
Abstract
A printhead control system comprises a voltage supply control module to selectively supply an operating voltage to a printhead, and the voltage supply control module is configured to receive a first and a second control voltages, and to disconnect the supply of operating voltage to the printhead at least when the first and second control voltages have the same logical level.