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. 24, 2009
Filed:
Mar. 07, 2007
Applicants:
Michael F. Zona, Holley, NY (US);
Christopher A. Dirubio, Webster, NY (US);
Aaron Michael Burry, West Henrietta, NY (US);
Palghat S. Ramesh, Pittsford, NY (US);
Inventors:
Michael F. Zona, Holley, NY (US);
Christopher A. Dirubio, Webster, NY (US);
Aaron Michael Burry, West Henrietta, NY (US);
Palghat S. Ramesh, Pittsford, NY (US);
Assignee:
Xerox Corporation, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Charging devices, electrostatic imaging devices, and methods generate a charging waveform having a DC bias component and an AC component for charging the imaging surface of a charge retentive member, the AC component having a substantially squarewave waveform.