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Personal biometric key

  • US 20020140542A1
  • Filed: 04/01/2002
  • Published: 10/03/2002
  • Est. Priority Date: 04/02/2001
  • Status: Active Grant
First Claim
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1. A personal biometric key for a user, comprising:

  • a biometric sensor selectable and maintainable by the user;

    a source of a unique output code;

    a sensor processor which produces a personal biometric code from the biometric sensor;

    a composite processor which produces a composite code from the biometric code and the unique output code;

    a transmitter which broadcasts the composite code to a compatible receiver, said receiver having a universal biometric lock to which the user has enrolled for access to a portal, wherein the unique output code is different for each broadcast and the universal biometric lock uses the composite code to confirm access of the enrolled user to the portal.

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