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. 27, 2010
Filed:
Jan. 27, 2004
Noriko Sugimoto, Takarazuka, JP;
Yusuke Shimizu, Oaks, CA (US);
Masayuki Kozuka, Arcadia, CA (US);
Panasonic Corporation, Osaka, JP;
Abstract
A playback apparatus judges whether a region code assigned to a BD-ROM matches a region code assigned to the playback apparatus. When the judgment result is in the affirmative, the playback apparatus plays back the content recorded on the optical disc. When the judgment result is in the negative, the playback apparatus does not play back the content, except when an exceptional playback is authorized. The exceptional playback is authorized when a combination of the content identifier of the content to be played back and the apparatus region code satisfies a predetermined condition defined by the owner of the rights of the content.