发明授权
- 专利标题: INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD
- 专利标题(中): 信息记录介质,信息再生装置及信息再现
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申请号: EP96932824.4申请日: 1996-10-04
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公开(公告)号: EP0802535B1公开(公告)日: 2005-06-15
- 发明人: UEDA, Hiroshi , FUKUSHIMA, Yoshihisa , ITO, Motoshi , TATEBAYASHI, Makoto , MATSUZAKI, Natsume
- 申请人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 申请人地址: 1006, Oaza-Kadoma Kadoma-shi, Osaka 571-8501 JP
- 专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址: 1006, Oaza-Kadoma Kadoma-shi, Osaka 571-8501 JP
- 代理机构: Kügele, Bernhard
- 优先权: JP26126695 19951009
- 国际公布: WO1997014147 19970417
- 主分类号: G11B19/00
- IPC分类号: G11B19/00
摘要:
An information recording medium including a lead-in region and a data recording region, wherein key information is recorded in the lead-in region and scrambled data are recorded in the data recording region. The scrambled data are descrambled on the basis of the key information.
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