Mobile navigation system

CAFC
  • US 6,292,743 B1
  • Filed: 01/06/1999
  • Issued: 09/18/2001
  • Est. Priority Date: 01/06/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for providing an optimal route using real-time information for a navigation system comprising a client and a server, said server coupled to a computer network, said method comprising the steps of:

  • establishing a wireless connection between the client and the server;

    transmitting start and end route designations from the client to the server;

    accessing real-time information by the server;

    calculating the optimal route by the server, based on the real-time information and said start and end route designations;

    formatting the optimal route into a non-proprietary, natural language description;

    downloading said non-proprietary, natural language description to the client;

    reconstructing the optimal route by the client using a local mapping database; and

    displaying said optimal route on a display system coupled to the client.

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