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Personal authentication method and device

  • US 20020118864A1
  • Filed: 02/27/2002
  • Published: 08/29/2002
  • Est. Priority Date: 02/28/2001
  • Status: Active Grant
First Claim
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1. A personal authentication method using biological information, wherein during registration, acquired biological information is frequency-analyzed using a plurality of frequencies to generate a feature for each frequency and register the feature, and wherein the method comprises the steps of:

  • selecting a frequency used for frequency analysis for authentication from the plurality of frequencies;

    performing frequency analysis for acquired biological information of a person to be authenticated using the selected frequency to generate a feature for the frequency; and

    comparing the generated feature with the feature generated for the same frequency during the registration to perform personal authentication.

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