| 发明名称 |
Laser reactive dyes for DVD copy protection system |
| 摘要 |
A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state when exposed to a wavelength of about 630 nm to about 660 nm and software code to detect such change in optical state.
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| 申请公布号 |
US2004110088(A1) |
申请公布日期 |
2004.06.10 |
| 申请号 |
US20030641784 |
申请日期 |
2003.08.15 |
| 申请人 |
VIG RAKESH;GERGER SCOTT;SELINFREUND RICHARD H.;MILLER PETER;LI JUNZHONG;COOK EWELL;SAGLIMBENI ANTHONY A. |
发明人 |
VIG RAKESH;GERGER SCOTT;SELINFREUND RICHARD H.;MILLER PETER;LI JUNZHONG;COOK EWELL;SAGLIMBENI ANTHONY A. |
| 分类号 |
B29D17/00;B32B3/02;G02B;G11B7/24;(IPC1-7):G11B7/24 |
主分类号 |
B29D17/00 |
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