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.

Date of Patent:
Mar. 03, 2009

Filed:

Apr. 26, 2005
Applicants:

Kenji Izumiya, Hachioji, JP;

Satoshi Ogata, Hachioji, JP;

Eiji Nishikawa, Hino, JP;

Yumiko Higashi, Kokubunji, JP;

Inventors:

Kenji Izumiya, Hachioji, JP;

Satoshi Ogata, Hachioji, JP;

Eiji Nishikawa, Hino, JP;

Yumiko Higashi, Kokubunji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 (2006.01); B41J 2/47 (2006.01); B41J 2/525 (2006.01);
U.S. Cl.
CPC ...
Abstract

A color image forming apparatus for forming a color image on a recording medium, includes: an image carrier; a polygon mirror; a signal forming device for forming a pseudo main scanning reference signal having a fixed cycle; and a controller for controlling image formation on a predetermined surface of the recording medium on the basis of the pseudo main scanning reference signal formed by the signal forming device and a main scanning reference signal which is formed by detecting a light beam that is scanned by the polygon mirror.


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