Apparatus and method for recognizing fingerprint dually
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United States of America Patent
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-
Oct 12, 2010
Grant Date -
Aug 7, 2008
app pub date -
Mar 21, 2007
filing date -
Feb 5, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are an apparatus and a method for recognizing a fingerprint dually. In the method, an optical sensor unit and a semiconductor sensor unit are prepared such that they are adjacent to each other. The optical sensor unit is driven to obtain a first fingerprint image of a user's fingerprint according to an optical fingerprint recognizing method. A second fingerprint image of the fingerprint is obtained using the semiconductor sensor unit. First fingerprint data is generated from the first fingerprint image, and second fingerprint data is generated from the second fingerprint image. Data that matches with the first fingerprint data and the second fingerprint data are searched for from registration fingerprint data registered in advance so that authentication is performed. When authentication of the first fingerprint data and authentication of the second fingerprint data succeed, it is judged that authentication for the user's fingerprint has finally succeeded.
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