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Method and structure for distribution of travel information using network

  • US 5,959,577 A
  • Filed: 08/28/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 08/28/1997
  • Status: Expired due to Term
First Claim
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1. A vehicle locating system comprising:

  • a data processing station connected to a data network accessible by wireless communication, said data processing station having a database including maps; and

    a mobile unit including a global positioning system (GPS) receiver and a wireless transmitter, said receiver receiving positional information from GPS satellites and transmitting said positional information to said data processing station via said data network;

    wherein when said data processing station receives said positional information, said data processing station computes a measured position for said mobile unit, stores said measured position of said mobile unit in said database, associates said measured position of said mobile unit with a map in said database, creates from said may a second map embedded therein a marker indicating said measured position of said mobile unit, and provides said second map for display through a data network.

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