Internet based geographic location referencing system and method

CAFC
  • US 6,202,023 B1
  • Filed: 02/25/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 08/22/1996
  • Status: Expired due to Term
First Claim
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1. A method for automatically providing informational services based on a geographical location of a client computer system, wherein said informational services are provided by a server attached to a computer network, said method comprising the steps of:

  • executing an application program on said client computer system for collecting user data and location information representative of the geographical location of the client computer system;

    constructing a data packet comprising said user data and location information;

    connecting to the server;

    transmitting said data packet to the server;

    parsing said data packet to extract said user data and location information;

    converting said location information into a grid coordinate system comprising a plurality of pre-defined grids, each of said grids corresponding to a geographical area and having;

    a plurality of cells;

    a reference location;

    global coordinates of said reference location; and

    at least one parameter defining cell size and orientation;

    formulating a database query from said user data and location information;

    issuing a database query on a database coupled to the server; and

    downloading a result from said database query relating to the geographical location of the client computer system to said client.

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