发明名称 |
Fingerprint identification system using a pliable optical prism |
摘要 |
A pliable optical prism for use in an optical imaging system such as a fingerprint reader where the prism is physically contacted and the nature of the contact determines the efficiency of the device. The pliable prism deforms under applied pressure to partially mirror the topographic configuration of the source of applied pressure.
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申请公布号 |
US4120585(A) |
申请公布日期 |
1978.10.17 |
申请号 |
US19760743424 |
申请日期 |
1976.11.19 |
申请人 |
CALSPAN CORPORATION |
发明人 |
DEPALMA, VITO A.;KING, RAYMOND W. |
分类号 |
A61B5/117;G06K9/00;(IPC1-7):G06K9/08 |
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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