发明公开
- 专利标题: INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD
- 专利标题(中): 信息管理机构,信息管理系统
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申请号: EP96932824.4申请日: 1996-10-04
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公开(公告)号: EP0802535A1公开(公告)日: 1997-10-22
- 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-fu, 571 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-fu, 571 JP
- 代理机构: Kügele, Bernhard
- 优先权: JP261266/95 19951009
- 国际公布: WO9714147 19970417
- 主分类号: G11B19/00
- IPC分类号: G11B19/00
摘要:
An information recording medium includes a lead-in area and a data recording area. Key information is recorded in the lead-in area. Scrambled data is recorded in the data recording area. The scrambled data is descrambled based on the key information.
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