发明名称 |
System for reading and authenticating a composite image in a sheeting |
摘要 |
A system for reading and authenticating a composite image in a sheeting. A exemplary embodiment of the invention provides a system for reading and authenticating a sheeting including a composite image that appears to the unaided eye to be floating above or below the sheeting or both. The present invention also relates to methods of reading and authenticating a composite image that appears to the unaided eye to be floating above or below the sheeting or both. |
申请公布号 |
US8072626(B2) |
申请公布日期 |
2011.12.06 |
申请号 |
US20090544932 |
申请日期 |
2009.08.20 |
申请人 |
KENNER MARTIN A.;3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
KENNER MARTIN A. |
分类号 |
G06F15/00;G06F11/00 |
主分类号 |
G06F15/00 |
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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