| 发明名称 |
SUPPORT PROVIDED WITH SECURITY ELEMENT |
| 摘要 |
A support is provided with a machine-detectable security element, particularly a copying-security element. The security element comprises a first image perceptible to the human visual system, said first image incorporating a second image that is substantially imperceptible to the human visual system. <IMAGE> |
| 申请公布号 |
IL100352(D0) |
申请公布日期 |
1992.09.06 |
| 申请号 |
IL19910100352 |
申请日期 |
1991.12.12 |
| 申请人 |
JOH. ENSCHEDE EN ZONEN GRAFISCHE INRICHTING B.V. |
发明人 |
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| 分类号 |
G03G21/00;B42D15/00;G03G21/04;G06T1/00;H04N1/00;H04N1/32;H04N1/387;H04N1/40;(IPC1-7):B42D/ |
主分类号 |
G03G21/00 |
| 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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