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. 30, 2004
Filed:
Jul. 19, 2002
Applicant:
Inventor:
Ken-ichiro Kitajima, Toride, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/502 ; G03G 2/114 ;
U.S. Cl.
CPC ...
G03G 1/502 ; G03G 2/114 ;
Abstract
An image forming apparatus includes a photosensitive member, a charger for electrically charging the photosensitive member at a charging position, an image forming system for forming an image on the photosensitive member charged by the charger, and an optical discharger for electrically discharging the photosensitive member. After a start of rotation of the photosensitive member, the optical discharger operates to discharge the photosensitive member and when a leading edge portion of a portion of the photosensitive member discharged by the optical discharger reaches the charging position the charger starts its charging operation.