发明名称 |
Verification techniques for biometric identification systems |
摘要 |
<p>Methods and apparatus are described for determining whether an object comprises living tissue. An antenna is provided which is operable to form an electrical circuit with the object. Detection circuitry is provided which is operable to detect at least one parameter corresponding to the electrical circuit. Determination circuitry is provided which is operable to determine whether the object comprises living tissue with reference to the at least one parameter. <IMAGE></p> |
申请公布号 |
EP1302908(A2) |
申请公布日期 |
2003.04.16 |
申请号 |
EP20020252499 |
申请日期 |
2002.04.06 |
申请人 |
JP |
发明人 |
JP |
分类号 |
A61B5/117;A61B5/053;G06K9/00;G07C9/00;(IPC1-7):G07C9/00 |
主分类号 |
A61B5/117 |
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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