| 摘要 |
<p>The vehicle navigation system of the present invention compares the distance from a preceding crossing or a conspicuous object to another conspicuous object with a value from a distance sensor (2) and clears the remaining distance to another conspicuous object to zero if the difference is below a predetermined value and the passing conspicuous object is detected by a radar (12) or a road surface sensor (13). Accordingly, whenever a passing conspicuous object is detected, a distance detection error is corrected and therefore even when the distance to the next turning crossing is long, an accurate driving distance can be obtained and the present position can be detected correctly.</p> |
