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Land vehicle navigation apparatus

  • US 5,323,321 A
  • Filed: 06/25/1990
  • Issued: 06/21/1994
  • Est. Priority Date: 06/25/1990
  • Status: Expired due to Term
First Claim
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1. Land vehicle navigation apparatus comprising:

  • means for calculating a desired navigational route for a vehicle, via fixed road paths, between a start location and a desired destination location;

    means for determining desired vehicle maneuvers at predetermined road locations along said navigation route, anddisplay means coupled to said vehicle maneuver determining means for receiving vehicle maneuver information therefrom and for visually displaying to a driver of the vehicle on a display screen said desired vehicle maneuvers to be implemented at said predetermined road locations,wherein the improvement comprises said maneuver determining means providing data to said display means such that said display means indicates said desired vehicle maneuvers by providing a visual arrow graphic representation;

    wherein said means for determining said desired vehicle maneuvers at said predetermined road locations also includes means for providing data indicating the distance of additional vehicle travel which must be implemented prior to the execution of said calculated desired vehicle maneuver, and wherein said additional distance travel data is visually displayed on said display means as an effective bar graph which is superimposed on and displayed within and without touching boundaries of said visually displayed arrow graphic representation.

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