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Method of Authorization

  • US 20080211620A1
  • Filed: 02/21/2005
  • Published: 09/04/2008
  • Est. Priority Date: 02/24/2004
  • Status: Active Grant
First Claim
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1. A method for granting access to a restricted area, said method comprising the steps of:

  • transmitting a stored access code from a central computer via radio waves to a radio terminal possessed by a user;

    transmitting the access code from the radio terminal a short-range radio link to an area to which access is sought;

    transmitting the access code from a transmitter unit associated with the restricted area to the central computer; and

    comparing in the central computer the received access code with the stored access code that the central computer transmitted to the radio terminal, to allow access to the restricted area when the received access code corresponds with the stored access code.

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