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Security access system with wireless identification

  • US 20030006879A1
  • Filed: 06/20/2002
  • Published: 01/09/2003
  • Est. Priority Date: 10/20/2000
  • Status: Abandoned Application
First Claim
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1. A wireless identification device for use with an identification checking system, the device comprising:

  • means for receiving a first wireless signal from a source;

    means for wireless-transmitting a first responsive signal incorporating a random security code;

    means for receiving a second wireless signal from the source;

    means for checking whether the second wireless signal incorporates a derivative code of the random security code; and

    means for wirelessly transmitting a second responsive signal confirming the incorporation of the derivative code into the second wireless signal.

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