发明名称 |
Optical Media with Reduced Areal-Sized Optical shutters |
摘要 |
An optical medium incorporates an optical shutter of limited area for controlling access to information contained in the medium. Also disclosed are a system and method for using the optical medium. In one variation, the optical medium incorporates plural optical shutters for selectively permitting access to partitioned portions of the information.
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申请公布号 |
US2008028420(A1) |
申请公布日期 |
2008.01.31 |
申请号 |
US20070625566 |
申请日期 |
2007.01.22 |
申请人 |
ATKINSON PAUL;RILUM JOHN H |
发明人 |
ATKINSON PAUL;RILUM JOHN H. |
分类号 |
G11B7/24 |
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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