| 摘要 |
PROBLEM TO BE SOLVED: To make a navigation apparatus perform display in such a way as to enable its user to intuitively compare error ranges of estimated arrival times up to a destination concerning a plurality of routes to the destination. SOLUTION: The navigation apparatus calculates the estimated arrival times up to the destination and the error ranges 23, 24 for the estimated arrival times concerning the plurality of routes up to the destination, and makes an image display device display together the error ranges calculated respectively for the plurality of routes. COPYRIGHT: (C)2010,JPO&INPIT |
