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Sonic/ultrasonic authentication device

  • US 20020169608A1
  • Filed: 05/10/2001
  • Published: 11/14/2002
  • Est. Priority Date: 10/04/1999
  • Status: Active Grant
First Claim
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1. A method for verifying and identifying users, and for verifying users'"'"' identity, by means of an authentication device capable of transmitting, receiving and recording audio and ultrasonic signals, and capable of converting said signals into digital data, and performing digital signal processing, the method comprising:

  • a) recording on said authentication device voice pattern(s) of one or more authorized user(s);

    b) storing on said authentication device user information providing identifying details of said authorized user(s);

    c) inputting to said authentication device a vocal identification signal from a user; and

    d) comparing the voice pattern of said vocal identification signal with the recorded voice pattern(s) of said authorized user(s), and if a match is detected issuing an indication that said user is identified as an authorized user.

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