Multi-biometric finger sensor having different selectivities and associated methods
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United States of America Patent
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Apr 22, 2008
Grant Date -
Apr 28, 2005
app pub date -
Sep 3, 2004
filing date -
Sep 5, 2003
priority date (Note) -
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Abstract
A multi-biometric finger sensor may sense different biometric characteristics that have different matching selectivities and that have at least a known spatial relationship. The sensor may include an integrated circuit substrate for receiving a user's finger adjacent thereto, and a first set of biometric sensing pixels on the substrate for sensing a first finger biometric characteristic to generate first finger biometric characteristic data having a first matching selectivity. The sensor may also include a second set of biometric sensing pixels on the integrated circuit substrate for sensing a second finger biometric characteristic different than the first finger biometric characteristic to generate second finger biometric characteristic data with a known spatial relationship to the first fingerprint characteristic data. The second finger biometric characteristic data may have a second matching selectivity less than the first matching selectivity.
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