发明名称 |
SECURITY DEVICES FOR SECURITY SUBSTRATES |
摘要 |
The invention relates to a security device for security substrates, such as paper used for making security documents, such as banknotes, having anti-counterfeitable features. The invention therefore provides a security device comprising a carrier of at least partially light transmitting polymeric material. A carrier bears a plurality of first indicia which are easily visible to the human eye. The first indicia are defined by a plurality of smaller second indicia which are less visible to the human eye positioned relative to each other to enable the first indicia to be visualised. |
申请公布号 |
EA015048(B1) |
申请公布日期 |
2011.04.29 |
申请号 |
EA20080000602 |
申请日期 |
2006.07.20 |
申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
COMMANDER LAWRENCE, GEORGE |
分类号 |
D21H21/44;B42D15/00;D21H21/42 |
主分类号 |
D21H21/44 |
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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