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:
Feb. 02, 1993
Filed:
Jul. 27, 1990
Applicant:
Inventors:
Kazuyoshi Tanaka, Hachioji, JP;
Toshifumi Isobe, Hachioji, JP;
Masahiko Itaya, Hachioji, JP;
Akiko Naganuma, Hachioji, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
346-11 ; 346108 ; 358296 ; 358 75 ;
Abstract
A color image forming method and apparatus for sequentially forming toner images of a plurality of colors on a photosensitive body so as to form a color toner image. The method and apparatus maintain a substantially constant developing bias so that a first exposure potential of a photosensitive surface and a second exposure potential of the photosensitive surface are substantially equal to one another.