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METHOD AND NAVIGATION DEVICE FOR DETERMINING THE ESTIMATED TIME OF TRAVEL

  • US 20100217519A1
  • Filed: 02/25/2010
  • Published: 08/26/2010
  • Est. Priority Date: 02/26/2009
  • Status: Abandoned Application
First Claim
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1. Navigation method for determining the estimated time of travel and time of arrival in the route determination on a digital road map by means of a navigation device comprising:

  • a) providing a navigation system including a position determining unit, a speed determining unit, a processor unit, a mass storage unit and an input/output device;

    b) classifying a road network of the digital road map into road sections, each road section being allocated at least one corresponding road category and each road category being allocated an average speed in a speed table, wherein the estimated time of travel of a route is calculated from the lengths and from the average speeds, stored in the table, of the road sections of the route, and wherein the user speeds calculated by the speed determining unit can additionally be included into the speed table; and

    c) classifying the speed table into temporal classes for at least one road category, wherein one temporal class is respectively allocated separate average speeds as a function of the weekday and/or the time of day.

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