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.:

US 9116470 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 25, 2015

Filed:

Jul. 31, 2012
Applicants:

Yasuhito Shirafuji, Kashiwa, JP;

Tomohisa Itagaki, Abiko, JP;

Nobuhiko Zaima, Kashiwa, JP;

Takahiro Ishihara, Maebashi, JP;

Inventors:

Yasuhito Shirafuji, Kashiwa, JP;

Tomohisa Itagaki, Abiko, JP;

Nobuhiko Zaima, Kashiwa, JP;

Takahiro Ishihara, Maebashi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/16 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/161 (2013.01); G03G 15/0131 (2013.01); G03G 15/5058 (2013.01); G03G 2215/00059 (2013.01);
Abstract

An image forming apparatus configures a normal transfer potential in a yellow primary transfer unit, and configures a transfer potential which does not cause any retransfer phenomenon of a yellow measurement image in image carriers located on the downstream side of the yellow primary transfer unit. When a color difference obtained from a reference density and a density of a measurement image on an intermediate transfer belt becomes equal to or larger than a prescribed value, the image forming apparatus determines that multinary-color density adjustment is required.


Find Patent Forward Citations

Shirafuji, Yasuhito. (2015). Adjustment of image density, using a density adjustment condition, in image forming apparatus (U.S. Patent No. 9116470). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9116470

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