发明名称 |
Method of verifying the authenticity of security paper such as a banknote that uses an embedded electronic circuit that responds to an external interrogation signal |
摘要 |
Paper used for such as banknotes have an embedded electronic circuit (1,4,7) that is interactively accessed. In order to check the authenticity of the banknote a carrier frequency signal is transmitted to the circuit and an output signal is generated that identifies a characteristic feature.
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申请公布号 |
DE19849762(A1) |
申请公布日期 |
2000.05.04 |
申请号 |
DE1998149762 |
申请日期 |
1998.10.28 |
申请人 |
BROSOW, JOERGEN;SIEMENS AG |
发明人 |
BROSOW, JOERGEN |
分类号 |
B42D15/00;G06K19/077;G07D7/00;(IPC1-7):D21H21/40;H01Q1/22;H01Q1/38 |
主分类号 |
B42D15/00 |
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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