| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device capable of reducing unpleasant feeling of a user even when a difference arises between an arrival prediction time and an actual arrival time, and providing information by which the user can cope aptly even with a case of delayed arrival or the like. SOLUTION: This navigation device for performing route guidance to the destination based on a route searched for by a route search means is equipped with an arrival prediction time calculation means for calculating an arrival prediction time to the destination, an arrival prediction time information means for informing of the arrival prediction time calculated by the arrival prediction time calculation means, an error state calculation means for calculating the arrival error state which is an error state of the arrival prediction time, and an error state information means for informing of the arrival error state calculated by the error state calculation means. COPYRIGHT: (C)2005,JPO&NCIPI |
