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Methods to authenticate access and alarm as to proximity to location

  • US 8,225,380 B2
  • Filed: 10/31/2007
  • Issued: 07/17/2012
  • Est. Priority Date: 05/25/2006
  • Status: Active Grant
First Claim
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1. A method of authenticating access, the method comprising in any order at least the acts of:

  • receiving from a person seeking access, identification indicia and a present password for the person seeking the access;

    comparing the present password to a previous password stored in memory;

    proceeding to provide the access only if the resent password matches the previous password stored in memory;

    identifying a person having authority for the access;

    sending a first automated message through a mobile phone network to a mobile phone of the person having authority for the access, the first automated message is encrypted and containing;

    an identification of the access requested and a request for an affirmative action to indicate authorization of the access; and

    a password;

    receiving the password in the first automated message at the mobile phone of the person having authority for the access; and

    receiving from the mobile phone of the person having authority for the access, a second message that is encrypted and containing the password and indicating that the person having authority for the access has taken the affirmative action to indicate authorization of the access.

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