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GPS enabled key management system

  • US 8,040,218 B2
  • Filed: 05/30/2008
  • Issued: 10/18/2011
  • Est. Priority Date: 12/31/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving at a server positional data for a lockbox provided by satellite navigation system receiver circuitry associated with the lockbox;

    determining whether the lockbox is associated with any real estate listing stored in the server;

    determining, when said lockbox is associated with a real estate listing stored in the server, a proximity of the received positional data to said real estate listing;

    determining whether to update stored positional data for the lockbox based upon the proximity of the received positional data to said real estate listing;

    comparing, when the lockbox is not associated with any listing stored in the server and there are a plurality of listings within a predetermined distance of said received positional data, said received positional data with each listing in said plurality;

    assigning the lockbox to one of the listings if only said one of the listings is within the predetermined distance of the received positional data; and

    transmitting a query comprising a result of said comparison if more than one listing is within the predetermined distance of the received positional data.

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