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. 21, 1988
Filed:
Sep. 03, 1986
Applicant:
Inventor:
Akio Ohno, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355-4 ;
Abstract
A color image forming apparatus is an apparatus in which toner images are successively transferred from a plurality of image bearing members to a transfer material, and which is for ensuring the toner images transferred to the transfer material to be transferred to a predetermined position. In the apparatus, patterns depicted on the surface of the image bearing members are read along with the movement of the image bearing members, and on the basis of the read result, control is effected so that the peripheral speed of the image bearing members is constant.