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:
Sep. 27, 2005
Filed:
Oct. 09, 2003
Yutaka Hasegawa, Tokyo, JP;
Takeshi Ukai, Kanagawa, JP;
Hideaki Yamagata, Kanagawa, JP;
Kazuhisa Ohtsubo, Kanagawa, JP;
Mamoru Maeda, Kanagawa, JP;
Yutaka Hasegawa, Tokyo, JP;
Takeshi Ukai, Kanagawa, JP;
Hideaki Yamagata, Kanagawa, JP;
Kazuhisa Ohtsubo, Kanagawa, JP;
Mamoru Maeda, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The present specific document determining apparatus according to the present invention comprises a microwave sensor for irradiating a microwave to and scanning a document, detecting a reflected portion of the irradiated microwave, outputting a first detection signal, again irradiating a microwave and scanning the document after the document is placed on a contact glass, detecting a reflected portion of the irradiated microwave, and outputting a second detection signal; a signal processing section for using the first detection signal as a reference signal and comparing a level of the reference signal to a level of the second detection signal to make determination as to whether metallic fiber is included in the document or not, and a controller for making determination as to whether the document is a specific one or not according to a result of determination by the signal processing section.