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:
Aug. 07, 2007
Filed:
Feb. 18, 2005
Takeshi Kawamura, Shizuoka-ken, JP;
Jun Suzuki, Numazu, JP;
Bunro Noguchi, Mishima, JP;
Masahiro Shibata, Numazu, JP;
Takeshi Kawamura, Shizuoka-ken, JP;
Jun Suzuki, Numazu, JP;
Bunro Noguchi, Mishima, JP;
Masahiro Shibata, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member; a developer carrying member, disposed opposed to the image bearing member, for carrying a developer, wherein an electric field is formed between the developer carrying member and the image bearing member during a developing operation using the developer carrying member, and the electric field including an oscillating portion in which the electric field is an oscillating electric field, wherein a supply electric field of the oscillating electric field which is effective to supply the developer to the image bearing member from the developer carrying member is variably controllable in accordance with a peripheral speed of the image bearing member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile