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:
Feb. 15, 2005
Filed:
Sep. 16, 2002
Naoki Enomoto, Shizuoka, JP;
Takashi Shibuya, Shizuoka, JP;
Masaru Shimura, Shizuoka, JP;
Seiji Saito, Shizuoka, JP;
Naoki Enomoto, Shizuoka, JP;
Takashi Shibuya, Shizuoka, JP;
Masaru Shimura, Shizuoka, JP;
Seiji Saito, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an image forming apparatus comprising an image bearing member for bearing a toner image, a movable intermediate transferring member, a first charging member for charging toner on the intermediate transferring member when it is applied with a voltage including an AC component, and a second charging member for charging toner on the intermediate transferring member when it is applied with a DC voltage, the second charging member being located on an upstream side of the first charging member with respect to a moving direction of the intermediate transferring member, wherein a toner image on the image bearing member is temporarily transferred to the intermediate transferring member and then transferred to a transfer material.