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. 03, 2015
Filed:
Jun. 09, 2010
Kumiko Tadano, Tokyo, JP;
Kumiko Tadano, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A digital content management system () includes a digital watermark embedding device () which generates a file having a file name used as a digital watermark, and embeds it into a digital content to be managed; a digital watermark information storage device () which stores, as digital watermark information, the file name used as the digital watermark embedded in the digital content by the digital watermark embedding device (), while correlating it with identification information of the digital content having the digital watermark embedded therein; and a digital watermark detection device () which detects the file name used as the digital watermark, stored in the digital watermark information storage device (), from the digital content to be verified, referring to the digital watermark information stored in the digital watermark information storage device ().