发明授权
- 专利标题: Information recording device, information reproducing device, and information recording medium
- 专利标题(中): 信息记录装置,信息再现装置和信息记录介质
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申请号: US12921976申请日: 2009-12-10
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公开(公告)号: US08254233B2公开(公告)日: 2012-08-28
- 发明人: Masaru Yamaoka , Yuji Takagi , Makoto Usui
- 申请人: Masaru Yamaoka , Yuji Takagi , Makoto Usui
- 申请人地址: JP Osaka
- 专利权人: Panasonic Corporation
- 当前专利权人: Panasonic Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Wenderoth Lind & Ponack, L.L.P.
- 优先权: JP2009-004226 20090113
- 国际申请: PCT/JP2009/006752 WO 20091210
- 国际公布: WO2010/082271 WO 20100722
- 主分类号: G11B20/18
- IPC分类号: G11B20/18
摘要:
An information recording device, an information reproducing device, and an information recording medium securely protect copyright of main information, and prevent illegal access to the recorded main information. The information recording device includes a medium unique information generating section that generates second sub information by data-converting stamper unique information based on disc identification information that differs for each optical disc after transferring main information and first sub information from a stamper having the main information and the first sub information recorded thereon onto an optical disc, and a medium unique information recording section that records the second sub information on the optical disc having recorded thereon in advance the main information and the first sub information in a form different from the forms of the main information and the first sub information.