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:
Feb. 16, 2010
Filed:
Mar. 10, 2006
Norikazu Sakai, Kanagawa, JP;
Norikazu Sakai, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A document deciding apparatus includes: a light source; a light-quantity detection unit detecting a reference light quantity based on irradiation of the light source, and respective light quantities of plural colors based on reflection from or transmission through a document; a decision unit deciding whether the document is colorless or colored, in accordance with a predetermined criterion on the basis of the light quantities of plural colors detected by the light-quantity detection unit; and a control unit performing a control so as to alter the criterion of the decision unit or a value corresponding to the light quantities detected by the light-quantity detection unit, on the basis of a change of the reference light quantity detected by the light-quantity detection unit.