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. 03, 2012
Filed:
Apr. 29, 2008
Applicant:
Katsuyuki Kitao, Kanagawa, JP;
Inventor:
Katsuyuki Kitao, Kanagawa, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pattern forming unit forms a color-misalignment detection pattern on an image carrier. A light-intensity detecting unit detects the color-misalignment detection pattern formed on the image carrier by irradiating the image carrier with a light and detecting light intensity of a reflected light from the image carrier. A color-misalignment-amount detecting unit detects an amount of a color misalignment of an image based on the light intensity of the reflected light detected by the light-intensity detecting unit. A spot of the light on the image carrier is elongated in a main-scanning direction.