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:
May. 07, 2002
Filed:
Feb. 27, 2001
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member, image forming device for forming a toner image on the image bearing member, the image forming device including a charging member for electrically charging the image bearing member, an intermediary transfer member, voltage applying device for applying a voltage to send intermediary transfer member to electrically transfer the toner image on the image bearing member formed by the image forming device onto the intermediary transfer member, wherein the toner image on the intermediary transfer member is transferred onto a transfer material, and a controller for controlling the voltage applied to send intermediary transfer member by the voltage applying device in accordance with the voltage applied to the charging member when the voltage applied to the charging member is controlled to change a surface potential of the image bearing member.