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. 25, 2003
Filed:
Oct. 30, 2001
Hironori Kato, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus has an image bearing member; a transferring member for transferring a toner image from the image bearing member onto a recording material at a transfer portion; and a voltage applicator for applying a voltage to the transferring member The voltage applicator is capable of applying to the transferring member a first voltage, a second voltage higher than the first voltage and a third voltage higher than the second voltage; and the voltage applicator applies the first voltage to the transferring member, then the second voltage prior to the recording material reaching the transfer portion, and then the third voltage after the recording material reaching the transfer portion.