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:
Nov. 10, 2009
Filed:
Sep. 26, 2006
Masahiro Higashitani, Osaka, JP;
Masahiro Higashitani, Osaka, JP;
Kyocera Mita Corporation, , JP;
Abstract
By reading an image of a reference plate, whether or not a likeliness that a linear abnormal image is occurred in the image of the document due to a foreign matter and the like attached on a contact glass exists is determined. In the case where there is the likeliness of occurrence of the linear abnormal image, the occurrence of the abnormal image is suppressed by changing an image reading position. At this time, a reading sensitivity is measured by reading a reference document having a single white color instead of a normal document. An adjustment data is generated according to the measurement result and stored in a memory. Then, light quantity of an exposure lamp is regulated in accordance with the document reading position by using the adjustment data.