| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology of a navigation device capable of intuitively grasping the direction not allowed to go ahead. <P>SOLUTION: A navigation device includes: a restriction specification means which specifies the branch direction where entering is restricted for every branch based on restriction information on respective roads of branch destinations; a road sign specification means which specifies a road sign displaying the restriction in the advancing direction in accordance with the branch direction having the restriction specified by the restriction specification means; and a road sign output means in which the road sign specified by the label specification means is superposed on a map and outputted. <P>COPYRIGHT: (C)2013,JPO&INPIT |
