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Method and apparatus for the secure identification of the owner of a portable device

  • US 6,957,185 B1
  • Filed: 02/25/2000
  • Issued: 10/18/2005
  • Est. Priority Date: 02/25/1999
  • Status: Expired due to Fees
First Claim
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1. A method for identifying the owner of a portable device, comprising the steps of:

  • computing a dynamic identification code at the portable device;

    encoding the identification code into an acoustic signature at the portable device;

    causing the portable device to transmit the acoustic signature over a voice line to a service provider;

    decoding the acoustic signature into the identification code at the service provider;

    transmitting the identification code from the service provider to a certification service;

    generating indicia of the identification code at the certification service;

    comparing the indicia of the identification code to a plurality of possible owners;

    producing a true owner from the comparison; and

    causing the certification service to transmit to the service provider a digital certificate corresponding to a digital signature of the true owner.

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  • 6 Assignments
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