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:
Aug. 19, 2014
Filed:
May. 31, 2007
Hitoshi Yoshio, Kahoku, JP;
Satoru Arai, Kahoku, JP;
Hitoshi Yoshio, Kahoku, JP;
Satoru Arai, Kahoku, JP;
PFU Limited, Ishikawa, JP;
Abstract
Configuring a paper medium information encrypting system to include a digital image acquiring unit acquiring a digital image of information by capturing an image of a paper medium, an encryption area designating unit designating an encryption target partial area in the digital image, an image converting unit converting the image of the partial area into a processed image on the basis of an encryption key, a pixel value converting unit generating a converted image having a regularity at a spaced interval, used for specifying a position of the partial area when performing decryption, by regularly converting pixel values of the processed image, and an output unit outputting an encrypted image containing the converted image, wherein the encryption area designating unit designates, as the encryption target partial area, an area specified by an area designating information for specifying the area on the digital image.