发明名称 |
Coding system for value documents |
摘要 |
The invention relates to a coding system having a luminescent basic substance and at least one luminescent additive, the possible codings of the coding system being formed by the presence or absence of a luminescent additive and/or the type of additives and/or the number of additives.
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申请公布号 |
US2007057072(A1) |
申请公布日期 |
2007.03.15 |
申请号 |
US20040574662 |
申请日期 |
2004.10.05 |
申请人 |
GIERING THOMAS;SCWENK GERHARD |
发明人 |
GIERING THOMAS;SCWENK GERHARD |
分类号 |
G06K19/06;G07D7/12 |
主分类号 |
G06K19/06 |
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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