发明名称 |
Copy-protected optical media and method of manufacture thereof |
摘要 |
A method for fabricating read-only copy protected optical medium comprising a light-sensitive material at positions capable of altering the data read during copying of the optical medium but permitting read of the underlying data in the reading of the optical medium. |
申请公布号 |
AU5903301(A) |
申请公布日期 |
2002.01.14 |
申请号 |
AU20010059033 |
申请日期 |
2001.03.29 |
申请人 |
VERIFICATION TECHNOLOGIES, INC. |
发明人 |
JEFFREY M. DREW;RICHARD H. SLINFREUND;RAKESH VIG |
分类号 |
G11B7/24;G11B7/243;G11B7/26;G11B19/04;G11B19/12;G11B20/00;G11B23/28 |
主分类号 |
G11B7/24 |
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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