发明名称 |
Optical feature, in particular for documents of value, and a manufacturing method for the later individualization or data storage |
摘要 |
The invention relates to an optical feature, in particular for documents of value, having at least one at least dual-channel hologram for the holographic reconstruction of different images from different directions of gaze, wherein different regions of the hologram are associated with the different channels and the regions of the hologram reconstructing the respective image under incident light have sub-regions which do not take part in the image reconstruction, to a data carrier having at least one optical feature of the invention and to a method for the manufacture of an optical feature, in particular for documents of value.
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申请公布号 |
US6876472(B2) |
申请公布日期 |
2005.04.05 |
申请号 |
US20010940913 |
申请日期 |
2001.08.28 |
申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
MENZ IRINA;DAUSMANN GUENTHER |
分类号 |
G03H1/22;B42D15/10;G03H1/26;G07D7/12;G09F19/12;(IPC1-7):G03H1/00 |
主分类号 |
G03H1/22 |
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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