Unified geographic database and method of creating, maintaining and using the same

  • US 8,935,220 B2
  • Filed: 06/17/2005
  • Issued: 01/13/2015
  • Est. Priority Date: 08/22/1996
  • Status: Expired due to Fees
First Claim
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1. A portable navigational apparatus for locating one or more locations of interest within a geographical area, comprising:

  • an input device for entering a proprietary search term uniquely associated with an entity within a district of the geographical area and identifying one or more locations of interest within the geographical area;

    a processor coupled to the input device for receiving the entered proprietary search term, the processor configured for generating a search query comprising the entered proprietary search term and locational information associated with the navigational apparatus;

    a communications interface coupled to the processor for communicating with a server via a wireless network, the interface configured for sending the search query to the server, and for receiving a search result from the server, the search result comprising one or more locations for the entity uniquely associated with the proprietary search term that have a relationship with the locational information;

    an output device coupled to the processor for outputting the one or more locations comprising the search result; and

    an automatic location identification (“


    ) device that identifies the current location of the navigational apparatus within the geographic area, the processor coupled to the ALI device for obtaining the current location of the navigational apparatus from the ALI device at the time of sending the search query, the locational information in the search query comprising at least one of the current location and a projected location of the navigational apparatus based at least in part on the current location.

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