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:
Jun. 05, 2012
Filed:
Jul. 31, 2007
Jun Fujimoto, Koto-ku, JP;
Nobuyuki Nonaka, Koto-ku, JP;
Takao Nireki, Koto-ku, JP;
Universal Entertainment Corporation, Tokyo, JP;
Abstract
A sheet identifying device includes a reader for reading a sheet in a plurality of pixels, a respective one of which includes color information having a brightness, a predetermined size of which is defined as one unit. The sheet identifying device also includes a storage section for storing image data made up of the plurality of pixels read by the reader. Further, the sheet identifying device includes an increasing/decreasing section that increases/decreases a number of pixels in the image data. In addition, the sheet identifying device includes a sheet identifying section that identifies an authentication of the sheet, based upon the image data having the number of pixels increased/decreased by the increasing/decreasing section. The sheet identifying device further includes a variable wavelength light-emitting section which is capable of irradiating a print area of the sheet with light beams having different wavelengths.