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公开(公告)号:EP1656760A4
公开(公告)日:2008-07-09
申请号:EP04781630
申请日:2004-08-19
IPC分类号: G11B20/00 , G11B20/10 , G06F11/30 , G06F12/14 , G11B20060101 , G11B7/004 , G11B7/005 , G11B7/007 , G11B7/24 , G11B7/243 , G11B7/246 , G11B7/26 , G11B19/04 , G11B19/12 , G11B20/12 , G11B23/28 , H04L9/00
CPC分类号: G11B23/281 , G11B7/00736 , G11B7/24 , G11B7/243 , G11B7/245 , G11B7/246 , G11B7/2472 , G11B7/26 , G11B19/04 , G11B19/12 , G11B20/00086 , G11B20/00173 , G11B20/0021 , G11B20/00253 , G11B20/00586 , G11B20/00608 , G11B20/00659 , G11B20/00768 , G11B20/00797 , G11B20/00876 , G11B20/00884 , G11B20/00927
摘要: A method and apparatus for controlling access to a storage medium (20), such as an optically readable medium, Light sensitive or other materials (21) that are adapted to change state and affect reading of a storage medium (20) are used to control access to data that may be stored on optical medium and/or to control use of the medium (20).
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公开(公告)号:EP1303858A4
公开(公告)日:2009-12-02
申请号:EP01950748
申请日:2001-06-29
IPC分类号: G11B7/007 , G11B7/24 , G11B7/243 , G11B7/246 , G11B7/257 , G11B7/26 , G11B19/04 , G11B19/12 , G11B20/00 , G11B23/28
CPC分类号: G11B23/281 , G11B7/00736 , G11B7/0079 , G11B7/013 , G11B7/24 , G11B7/243 , G11B7/2433 , G11B7/244 , G11B7/246 , G11B7/2472 , G11B7/252 , G11B7/2534 , G11B7/257 , G11B7/2572 , G11B7/2578 , G11B7/26 , G11B7/261 , G11B7/266 , G11B19/04 , G11B19/12 , G11B19/122 , G11B20/00086 , G11B20/00586 , G11B20/00608 , G11B20/00768 , G11B20/00876 , G11B20/00927 , G11B23/28 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/2571 , Y10T428/21 , Y10T428/24802 , Y10T428/31507
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