发明名称 |
INVISIBLE ENCODED INDICIA COMPRISED OF LATENT IMAGE |
摘要 |
A security device and method for visually scrambling a graphic element to provide a scrambled image and imparting the scrambled image to a substrate to form an invisible latent image that can be visualized by rendering the invisible latent image temporarily visible and descrambling the temporarily visible latent image. The device further comprises a decoding device for visualizing the graphic element by rendering the latent image ternporarily visible and descrambling the temporarily visible latent image. |
申请公布号 |
WO2005036474(A3) |
申请公布日期 |
2005.12.08 |
申请号 |
WO2004US33740 |
申请日期 |
2004.10.12 |
申请人 |
AMERICAN BANK NOTE HOLOGRAPHICS, INC.;MENTZ, BRIAN |
发明人 |
MENTZ, BRIAN |
分类号 |
G07D;G07D7/00;G07D7/12;G07D7/20;H04L9/00 |
主分类号 |
G07D |
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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