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. 25, 1998
Filed:
Jan. 30, 1997
Nobumasa Furuya, Ashigarakami-gun, JP;
Shigehito Ando, Ashigarakami-gun, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A developing apparatus comprises: a developer support being disposed in the proximity of or in contact with an image support having a surface on which an electrostatic latent image is formed, the developer support having a peripheral surface supported turnably; and a developing bias power supply for supplying a developing bias voltage between the developer support and the image support, wherein a dual component developer including toner and magnetic carriers is supported on the peripheral surface of the developer support to be transported, and the toner is transferred to the image support in an electric field formed at a position where the image support faces the developer support for forming a toner image, and the developer support has a plurality of magnetic poles for attracting almost one layer of the carriers on the peripheral surface of the developer support almost uniformly.