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Navigation system and method for providing departure times

  • US 9,037,390 B2
  • Filed: 10/22/2008
  • Issued: 05/19/2015
  • Est. Priority Date: 10/22/2008
  • Status: Active Grant
First Claim
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1. A navigation system comprising:

  • a processing resource and an output device for providing a departure time to a user, wherein the processing resource is configured to;

    receive destination data representative of a destination;

    determine, for each of a plurality of possible routes to the destination, a reliability measure representative of an expected reliability of an expected travel time for the route;

    select a route in dependence upon the reliability measures for the routes;

    determine an expected travel time to the destination based on the selected route; and

    determine the departure time in dependence upon the expected travel time to the destination,the processing resource being further configured to;

    receive an indication whether an appointment associated with the destination is of high importance; and

    ,when the appointment is of high importance, select a route only from amongst routes having a reliability measure above a predetermined threshold.

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