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:
Jul. 19, 2011
Filed:
Oct. 21, 2005
Tohru Nakahara, Osaka, JP;
Masaki Igarashi, Osaka, JP;
Ryuichi Okamoto, Osaka, JP;
Kouji Miura, Osaka, JP;
Katsumi Tokuda, Osaka, JP;
Tohru Nakahara, Osaka, JP;
Masaki Igarashi, Osaka, JP;
Ryuichi Okamoto, Osaka, JP;
Kouji Miura, Osaka, JP;
Katsumi Tokuda, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A contents using device (or a terminal device)is composed of: a license processing unitwhich judges, on the basis of a usage rule of a license, whether or not the content is available; a content reproduction unitwhich uses the content judged by the terminal deviceto be available; a restriction unit (or a content reproduction unit) which restricts the license corresponding to the contents from being used by another source by reason that the license is currently in use, for a time period between a start and a normal end of the content usage by the content reproduction unit; an event detection unitwhich detects a predetermined event that occurs between the start and the normal end of the content usage and that forcefully aborts the content usage; a restriction-relaxation necessity judgment unit (or a recovery/penalty judgment unit)which judges whether or not the predetermined event is against an intention of a user; and a restriction relaxation unit (or a license recovery unit)which relaxes the restriction on the content usage when the recovery/penalty judgment unitjudges that the predetermined event is against the intention of the user.