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. 21, 1998
Filed:
Apr. 03, 1997
Hideaki Kodama, Okazaki, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
An image forming apparatus which sequentially transfers and superimposes sequentially formed electrostatic latent images onto a sheet wound around a sheet support. The image forming apparatus have either a photoconductor where the electrostatic latent images are sequentially formed on the surface or a plurality of photoconductors where the electrostatic latent images are formed respectively and sequentially. The quantity of print dot misregister is detected by forming reference patterns on a sheet and by reading the formed reference patterns. The rotational speed of conveying rollers for delivering a sheet to the sheet support is switched over in response to the quantity of the print dot misregister. The rotational speed of the conveying rollers can also be switched over in response to the thickness of a sheet. In the case that the image forming apparatus is a full-color copying machine, the electrostatic latent images are of four types for cyan, magenta, yellow and black.