| 发明名称 |
A SYSTEM FOR READING AND AUTHENTICATING A COMPOSITE IMAGE IN A SHEETING. |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
MX2007006450(A) |
申请公布日期 |
2007.07.20 |
| 申请号 |
MX20070006450 |
申请日期 |
2005.10.27 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
MARTIN A. KENNER |
| 分类号 |
G07D7/12 |
主分类号 |
G07D7/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
