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:
Nov. 09, 1993
Filed:
May. 26, 1992
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355273 ; 355271 ; 3553 / ; 430 42 ; 430 48 ;
Abstract
An image forming method in which toner images are registered onto an image retainer by conducting sequentially a cycle of charging, imagewise exposing and developing by the method of reversal development not less than twice. The imagewise exposing, based on all image data which have formed latent images is performed again only on the toner image portion after all the developing steps have been completed, then the toner images are transferred onto a transfer sheet at one time.