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:
Feb. 26, 2008
Filed:
Nov. 03, 2004
Akashi Satoh, Yamato, JP;
Koichi Kamijo, Yokohama, JP;
Akashi Satoh, Yamato, JP;
Koichi Kamijo, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Provided is a content play back apparatus including: a play back means for playing content including audio or video; a play list managing means for managing a play list which is a list of identification information on content previously played by the play back means; a blacklist acquiring means for acquiring a blacklist which is a list of identification information on content illegally copied in the past; and a play back restricting means for restricting content play back of the play back means when any of identification information included in the play list is included in the blacklist.