发明名称 |
Improvements in security substrates for security documents |
摘要 |
<p>The invention relates to improvements in security substrates for security documents. The security substrate has at least two sets of regions having a machine detectable characteristic, in which only a first set of regions is applied to a first surface of the substrate. At least two sets of regions together form a machine readable code.</p> |
申请公布号 |
AU2011225930(B2) |
申请公布日期 |
2014.08.28 |
申请号 |
AU20110225930 |
申请日期 |
2011.02.16 |
申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
SNELLING, JAMES PETER;DOWDALL, FERN |
分类号 |
G06K1/12;G06K19/06 |
主分类号 |
G06K1/12 |
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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