Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 30, 2017
Patent Application Number
14474164
Date Filed
August 31, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
Some methods may involve determining whether an object is positioned on or near a portion of a fingerprint sensor system. If an object is positioned on or near the portion of the fingerprint sensor system, an acoustic impedance of at least a portion of the object may be determined. Based at least in part on the acoustic impedance, it may be determined whether the object is a finger.
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