发明名称 |
Fingerprint acquisition apparatus and method therefor |
摘要 |
A fingerprint acquisition apparatus including a plurality of sensing units is provided. The fingerprint acquisition apparatus is used for sensing the ridge portion and the valley portion of a fingerprint. Each sensing unit includes a built-in capacitor. There is an inducing capacitance generated between each of the sensing units and the fingerprint while the fingerprint touches each of the sensing units. The fingerprint acquisition apparatus of the invention generates a fingerprint pattern by detecting the difference of inducing capacitances between the ridge portion of the fingerprint and the valley portion of the fingerprint.
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申请公布号 |
US7715601(B2) |
申请公布日期 |
2010.05.11 |
申请号 |
US20060498959 |
申请日期 |
2006.08.04 |
申请人 |
HIMAX TECHNOLOGIES LIMITED;NATIONAL CHI NAN UNIVERSITY |
发明人 |
SHEU MENG-LIEH;YANG HUNG-MING |
分类号 |
G06K9/00;G01R27/26 |
主分类号 |
G06K9/00 |
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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