| 摘要 |
PURPOSE:To obtain a position notifying system having function for informing a designated point on a highway. CONSTITUTION:The position notifying system comprises a current position measuring unit 1 and a positional information memory section 2 storing information relevant to highway inlets/outlets, service areas, and branch positions over the countery. The position notifying system further comprises a branch information processing section 6 confirming the highway branch points to be passed between the inlet and outlet of a highway, a notifying/deciding section 9 for deciding approach to the highway branch point, a service area, or an outlet based on measurements from the current position measuring unit 1. |
