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:
Apr. 11, 2006
Filed:
Dec. 19, 2002
Applicant:
Shigekazu Enoki, Kanagawa, JP;
Inventor:
Shigekazu Enoki, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing method and apparatus of the present invention develops a latent image formed on an image carrier with a two-ingredient type developer, which consists of toner grain and carrier grains, deposited on a developer carrier in the form of a brush. A distance L between a zero field point at which the magnetic field of a main magnet is zero and the image carrier is 4 mm or smaller.