- 专利标题: Protection of data on media recording disks
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申请号: US11980125申请日: 2007-10-30
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公开(公告)号: US07813504B2公开(公告)日: 2010-10-12
- 发明人: Gershon Bar-On
- 申请人: Gershon Bar-On
- 申请人地址: GB Middlesex
- 专利权人: NDS Limited
- 当前专利权人: NDS Limited
- 当前专利权人地址: GB Middlesex
- 代理机构: Ladas & Parry LLP
- 优先权: IL123028 19980122
- 主分类号: H04N7/167
- IPC分类号: H04N7/167
摘要:
This invention discloses a secure recording medium having at least one of audio, video and software content, comprising a plurality of media recording disks (DVD's) with a disk security chip embedded in each the DVD, each the disk chip comprising a security key, wherein at least two of the DVD's have different disk security keys.A method for protecting access to content recorded on a media recording disk (DVD) is also disclosed.
公开/授权文献
- US20080101602A1 Protection of data on media recording disks 公开/授权日:2008-05-01
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