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:
Jun. 19, 1990
Filed:
Nov. 13, 1987
Applicant:
Inventors:
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355245 ; 355253 ; 355328 ;
Abstract
An image forming apparatus which includes a color editing function is provided with two developing units, each of the developing units contain an impeding device for impeding flow of the developer as it is transported on a peripheral surface of the developing sleeve locally in the axial direction of the roller. An image editing device is provided for specifying an optical area of a desired image to be produced and a controller is provided for controlling the developing units so as to permit development of a specified area by one developing unit and to develop any unspecified area by the other developing unit.