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Secure personal identification document and system for preventing unauthorized use of same

  • US 20070012761A1
  • Filed: 03/03/2006
  • Published: 01/18/2007
  • Est. Priority Date: 07/18/2005
  • Status: Abandoned Application
First Claim
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1. A system for preventing unauthorized use of a personal identification document, said document including a person identifier arranged to be viewed by another person, said system comprising a remote controller and said document, said remote controller being arranged to provide an input signal over the air to said document, said document comprising:

  • circuitry arranged to respond to said input signal from said remote controller;

    a signal receiving means;

    a memory device having at least one stored code;

    a comparator for comparing said input signal with said code; and

    an obfuscating means, said comparator being arranged for comparing said input signal to said stored code and for causing said obfuscating means to obfuscate said person identifier if said input signal matches said code.

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