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:
Mar. 16, 2010
Filed:
Aug. 18, 2004
Hisashi Inoue, Fukuoka, JP;
Masataka Ejima, Osaka, JP;
Kenichi Noridomi, Fukuoka, JP;
Takashi Katsura, Fukuoka, JP;
Shugo Horikami, Ichikawa, JP;
Hisashi Inoue, Fukuoka, JP;
Masataka Ejima, Osaka, JP;
Kenichi Noridomi, Fukuoka, JP;
Takashi Katsura, Fukuoka, JP;
Shugo Horikami, Ichikawa, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Information embedding is performed by extracting vertices constituting a polygon from vector data, and changing a number of points that exist on sides of the polygon based on embedment information. Further, information reading is performed by extracting points existing on the sides of the polygon from the embedment information and embedded vector data, and by reading the embedment information according to a predetermined rule.