| 摘要 |
<P>PROBLEM TO BE SOLVED: To guide a route from a current location to a destination by constantly indicating one optimum recommended lane. <P>SOLUTION: An on-vehicle navigation device comprises a lane determination section 9 which determines one recommended lane by making a reverse-driving lane calculation from a target location set by a target location extraction section 5 to a current location, using lane information acquired by a lane information acquisition section 7 and a rule read out from a lane calculation rule storage section 8, and an output section 10 which guides the determined recommended lane following the reverse-driving locus on the lane determination section 9. <P>COPYRIGHT: (C)2012,JPO&INPIT |
