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. 10, 2011
Filed:
Mar. 18, 2008
Shoichi Sakata, Osaka, JP;
Takahisa Nakaue, Osaka, JP;
Kiyotaka Kobayashi, Osaka, JP;
Yukihiro Mori, Osaka, JP;
Shoichi Sakata, Osaka, JP;
Takahisa Nakaue, Osaka, JP;
Kiyotaka Kobayashi, Osaka, JP;
Yukihiro Mori, Osaka, JP;
Kyocera Mita Corporation, , JP;
Abstract
An image forming apparatus is provided with a photoconductive member on which a latent image is to be formed, a developing roller for developing the latent image formed on the photoconductive member by a first bias, and a magnetic roller for forming a magnetic brush thereon with a two-component developer and forming a thin toner layer on the developing roller by a second bias. If (D) denotes the duty ratio of a first alternating-current bias included in the first bias and (D) denotes the duty ratio of a second alternating-current bias included in the second bias, the duty ratios (D, D) satisfy the following relationship:1>100−2.