发明名称 |
Optical disk and optical method |
摘要 |
An optical disk according to the present invention is the optical disk on which secret information on unique information given to a specific optical disk manufacturer or a specific optical disk and information recorded on an infringement disk list of identifying an illegitimate optical disk manufacturer or an illegitimate optical disk are recorded in advance, and the optical disk has an area in which reproduction-only encrypted data encrypted based on the secret information and the information on the infringement disk list is recorded in advance or an area capable of recording the encrypted data to be encrypted based on the secret information and the information on the infringement disk list.
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申请公布号 |
US7339869(B2) |
申请公布日期 |
2008.03.04 |
申请号 |
US20040479356 |
申请日期 |
2004.05.04 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ISHIBASHI KENZO;HINO YASUMORI;NAGAI TAKAHIRO;ISHIHARA HIDESHI;TANAKA SHINICHI |
分类号 |
G11B11/03;G11B7/00;G11B20/00;G11B20/10;G11B23/28;H04L9/10 |
主分类号 |
G11B11/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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