| 发明名称 |
Security deterrent mark and methods of forming the same |
| 摘要 |
A security deterrent mark (10) includes one or more areas of interest (12), and at least one entropy-enhancing region (EER, 14) within the one or more areas of interest (12). |
| 申请公布号 |
GB2464417(A) |
申请公布日期 |
2010.04.21 |
| 申请号 |
GB20100001099 |
申请日期 |
2008.07.16 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
STEVEN J SIMSKE;GUY DE WARRENNE BRUCE ADAMS |
| 分类号 |
B42D15/00;G06K9/00 |
主分类号 |
B42D15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
