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:
Dec. 20, 2005
Filed:
May. 18, 2001
Masayuki Taniguchi, Tokyo, JP;
Hideki Yamamoto, Tokyo, JP;
Masaki Sato, Tokyo, JP;
Norio Kondo, Tokyo, JP;
Atsushi Ikeno, Kyoto, JP;
Masayuki Taniguchi, Tokyo, JP;
Hideki Yamamoto, Tokyo, JP;
Masaki Sato, Tokyo, JP;
Norio Kondo, Tokyo, JP;
Atsushi Ikeno, Kyoto, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A system and method for distributing digital content is capable of preventing illegal use of digital content and leak of user information. A creator terminalforwards content, copyright information and conditions for quotation to a content distribution server. A user terminalforwards an application for using the content to the content distribution server. The content distribution serverembeds copyright information in the content to which the user terminalhas forwarded the application for using the content and the user information is embedded in the content to which the user terminalhas forwarded the application for using the content. The relation among a content size Sq which is permitted to be quoted according to conditions for quotation, a content size Sc in which the copyright information is embedded and a content size Su in which the user information is embedded is expressed by Sc<Sq<Su.