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Verification techniques for biometric identification systems

  • US 20030072475A1
  • Filed: 03/14/2002
  • Published: 04/17/2003
  • Est. Priority Date: 10/09/2001
  • Status: Abandoned Application
First Claim
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1. A living tissue determination device, comprising:

  • an antenna arranged in proximity to a sensor;

    first circuitry for detecting at least one characteristic of an electrical circuit including the antenna and an object proximate the sensor; and

    second circuitry for determining whether the object comprises living tissue with reference to the at least one characteristic.

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