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Method and system for authenticating use of item

  • US 7,832,636 B2
  • Filed: 02/23/2009
  • Issued: 11/16/2010
  • Est. Priority Date: 04/26/2005
  • Status: Expired due to Fees
First Claim
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1. A method to assess authorization for use of an item at a first location by an identity, comprising the steps of:

  • updating a position database to cache a pre-use position of a first wireless terminal;

    receiving a notification to authenticate the use of the item at the first location, wherein the identity is associated with the first wireless terminal;

    determining whether the position database is stale based on a predetermined time period;

    determining a second location of the first wireless terminal based on the cached pre-use position if the position database is not stale;

    determining a third location if the position database is stale;

    determining whether the first and second locations match in geographical proximity;

    authenticating use if the first location matches in geographical proximity with the second location;

    generating an alert if the first and second locations do not match in geographical proximity;

    determining whether the first and third locations match in geographical proximity;

    authenticating use if the first location matches in geographical proximity with the third location; and

    generating an alert if the first and third locations do not match in geographical proximity.

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