Mobile navigation system operating with a remote server

  • US 9,528,843 B2
  • Filed: 08/14/2015
  • Issued: 12/27/2016
  • Est. Priority Date: 01/06/1999
  • Status: Expired due to Fees
First Claim
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1. A method for navigation in a mobile device integrated with phone functions so that the mobile device makes or receives calls via a cellular telephonic network, the method comprising:

  • displaying on an electronic map a current location of the mobile device determined from wireless signals, the electronic map being locally generated in the mobile device;

    accepting an inquiry from a user for a destination;

    communicating with a server over a wireless data network;

    sending the inquiry to the server, wherein the inquiry includes the current location and the destination, the server is configured to calculate a route from the current location to the destination using real time data to ensure that the route is optimum;

    receiving routing data from the server, wherein the routing data is a plain text description for each link in the route using pre-defined generic terms;

    reconstructing the route from the routing data by interfacing with local mapping data in a format required by the mobile device; and

    displaying on a display screen the route from the current location to the destination, wherein the route is highlighted on the electronic map, the electronic map is automatically updated to accommodate an indication that the mobile device has been travelling from the current location.

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