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:
Apr. 17, 2007
Filed:
May. 29, 2003
MI Hyun Kim, Seoul, KR;
Sung Ryun Cho, Seoul, KR;
Byung Jin Kim, Kyunggi-do, KR;
Kang Soo Seo, Anyang, KR;
Sung Wan Park, Suwon-si, KR;
Mi Hyun Kim, Seoul, KR;
Sung Ryun Cho, Seoul, KR;
Byung Jin Kim, Kyunggi-do, KR;
Kang Soo Seo, Anyang, KR;
Sung Wan Park, Suwon-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The present invention relates to a method for managing playlists of a rewritable recording medium in order to prevent unlimited playback or illegal edition of television broadcast programs or movies wherein copyright protection is required. The present invention operates by adding information needed for automatic timed deletion of consecutively recorded clips of A/V streams and deletion time information into the playlists of a recording medium such as a high density rewritable optical disc (BD-RW), whereby referring to the recorded information, the corresponding clips of A/V streams are automatically deleted.