发明授权
- 专利标题: Optical disk copy-protection using an optically changeable security material
- 专利标题(中): 使用光学可变安全材料的光盘复制保护
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申请号: US10359325申请日: 2003-02-06
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公开(公告)号: US07035200B2公开(公告)日: 2006-04-25
- 发明人: Richard H. Selinfreund , Peter Miller , Rakesh Vig , Junzhong Li
- 申请人: Richard H. Selinfreund , Peter Miller , Rakesh Vig , Junzhong Li
- 申请人地址: US CT Essex
- 专利权人: Verification Technologies, Inc.
- 当前专利权人: Verification Technologies, Inc.
- 当前专利权人地址: US CT Essex
- 代理机构: Kelley Drye & Warren LLP
- 主分类号: G11B5/84
- IPC分类号: G11B5/84
摘要:
A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes.
公开/授权文献
- US20030147339A1 Method and system for optical disc copy-protection 公开/授权日:2003-08-07
信息查询
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