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:
Nov. 13, 2012
Filed:
Sep. 16, 2009
Applicant:
Ryo Inoue, Kawasaki, JP;
Inventor:
Ryo Inoue, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A charging apparatus includes a corona charger which includes a discharging wire and a grid electrode that are configured to charge a member to be charged, a cleaning device configured to clean an inner surface of the grid electrode, and a discharging device configured to electrically discharge the grid electrode before the cleaning device cleans the grid electrode.