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. 17, 2001
Filed:
Apr. 12, 1999
Applicant:
Inventor:
Yoshinobu Hada, Aichi-Ken, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/500 ; G03G 1/514 ;
U.S. Cl.
CPC ...
G03G 1/500 ; G03G 1/514 ;
Abstract
A color image forming apparatus that forms color images by synthesizing multiple single-color images formed by multiple image forming units. The image forming apparatus forms resist marks using the multiple image forming units and detects the positions of the marks in order to determine the timing of the synthesis of the single-color images. In order to obtain the positions of the marks with accuracy, the size or darkness of the marks formed are determined such that the waveforms formed from the output signals from the sensor that detects the marks comprise peaked waveforms having a peak.