| 摘要 |
PURPOSE:To prevent the difficulty for recognizing a target object on a map by frequently rotating the map in accordance with the direction of this own vehicle. CONSTITUTION:The direction for displaying the map is set in accordance with the running direction of the own vehicle, which is detected by an own vehicle direction detecting means 52, the map is rotated in the set direction and given to a display 56 so as to be displayed and also an own vehicle mark is displayed at the location corresponding to the own vehicle location by executing superimposing on the map displayed in the display 56 in a navigation system. In the system, the direction for displaying the map is updated when it is detected that the own vehicle direction does not successively change for prescribed time based on the output of the own vehicle direction detecting means 52. |
