| 发明名称 |
Kapazitiver biometrischer Sensor |
| 摘要 |
In order to determine the actual maximum achievable contrast in grey scale value for the particular application, in particular, for a fingerprint (dynamic resolution of the sensor), at least one check point (4), made from a dielectric material is integrated in the sensor field (2), above each of the sensor electrodes (5). |
| 申请公布号 |
DE50011685(D1) |
申请公布日期 |
2005.12.29 |
| 申请号 |
DE2000511685 |
申请日期 |
2000.04.14 |
| 申请人 |
INFINEON TECHNOLOGIES AG |
发明人 |
GRESCHITZ, MANFRED;WOLF, FRANZ;GRUBER, KLAUS;HELMINGER, FRANZ |
| 分类号 |
G01B7/28;A61B5/117;G06F3/033;G06F3/044;G06K9/00;G06T1/00;(IPC1-7):G06K9/20 |
主分类号 |
G01B7/28 |
| 代理机构 |
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代理人 |
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| 主权项 |
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