In a navigation apparatus Anavil, a CPU 1 searches for a plurality of routes from a starting point to a destination. Those route share the same starting point and the destination, but vary in course on the way. Then for route selection, the CPU 1 refers to position information provided by a locator 9...http://www.google.de/patents/US6466869?utm_source=gb-gplus-sharePatent US6466869 - Navigation apparatus