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Electrical System, Method, and Apparatus of Fingerprint Sensor Using Acoustic Impediography

  • US 20120092026A1
  • Filed: 10/19/2011
  • Published: 04/19/2012
  • Est. Priority Date: 10/19/2010
  • Status: Abandoned Application
First Claim
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1. A fingerprint sensor, comprising:

  • mechanical oscillators, and an electrical system to measure the impedance and/or the electrical current through each mechanical oscillator.

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