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:
Apr. 22, 2003
Filed:
Sep. 07, 2001
Applicant:
Inventor:
Ryo Inoue, Shizuoka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/500 ; G03G 2/108 ;
U.S. Cl.
CPC ...
G03G 1/500 ; G03G 2/108 ;
Abstract
An image forming apparatus capable of making potential control executable immediately after starting copying and shortening a first copying time includes a photosensitive drum ( ), a charging magnetic brush charger ( ) for charging the photosensitive drum ( ) and a main electricity eliminating light irradiating apparatus ( ) for irradiating light to eliminate a light memory in the photosensitive drum . The main electricity eliminating light irradiating apparatus ( ) irradiates the photosensitive drum ( ) with an exposure amount larger than a minimum exposure amount for eliminating a light memory in at least a part of an irradiation process.