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. 14, 2017
Filed:
Jun. 28, 2013
Applicant:
Hewlett-packard Indigo, B.v., Amstelveen, NL;
Inventors:
Amir Ofir, Amstelveen, NL;
Sasi Moalem, Amstelveen, NL;
Dmitry Maister, Amstelveen, NL;
Seongsik Chang, Palo Alto, CA (US);
Assignee:
HEWLETT-PACKARD INDIGO, B.V., Amstelveen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0275 (2013.01); G03G 15/0266 (2013.01); G03G 21/0094 (2013.01);
Abstract
In one implementation, an image forming apparatus may include a photoconductive unit and a refresh unit. The photoconductive unit may include a photoconductive layer. The photoconductive layer may have a first polarity during a print routine. The refresh unit may apply a voltage to the photoconductive layer to electrically bias the photoconductive layer to have a second polarity during a refresh routine.