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:
Oct. 12, 2004
Filed:
Apr. 11, 2003
Yasunao Otomo, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide an image forming apparatus including: an image bearing member; an electrostatic latent image forming means for forming an electrostatic latent image on the image bearing member; a developing means for developing the electrostatic latent image in a development position, the developing means developing the electrostatic latent image using a developer containing a toner and an externally added agent having a charged polarity opposite to that of the toner; a cleaning blade for cleaning the image bearing member; and a bias controlling means for controlling a bias to be applied to the developing means, in which the bias controlling means sets a bias applied to the developing means at the time when an interval area passes the development position according to information related to a length of the interval area at the time when electrostatic latent images for a plurality of pages pass the development position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile