发明名称 |
Security device and system |
摘要 |
A security device ( 100 ) comprises at least one magnetic element ( 102 ). The magnetic element ( 102 ) is responsive to an applied magnetic field to provide a characteristic response. The characteristic response can be used to identify a particular security device ( 100 ) when interrogated by a security system, thereby aiding in prevention of copying of the security device ( 100 ).
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申请公布号 |
US2005283839(A1) |
申请公布日期 |
2005.12.22 |
申请号 |
US20050527443 |
申请日期 |
2005.03.10 |
申请人 |
INGENIA TECHNOLOGY LIMITED |
发明人 |
COWBURN RUSSELL P. |
分类号 |
G06K19/06;G06K19/12;(IPC1-7):H04L9/00;G06F11/30;G06F12/14;H04L9/32 |
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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