Patent ID: 9074909
Filing Date: 2015-07-07
Classification: G01C

Abstract:
1. A navigation system comprising: a current position detecting unit that detects a current position of a movable body; and a controller that: identifies a destination for the moveable body; searches for a going route from a departure point to the destination; searches for a returning route from the destination to the departure point; selects a landmark for a branch point along the returning route; and after the movable body passes the branch point on the going route and while the movable body is still traveling the going route, provides returning-route guidance regarding the branch point using the selected landmark to help a user remember an importance of the selected landmark when later traveling the returning route wherein the controller: provides guidance regarding the branch point a plurality of times and provides the returning-route guidance regarding the branch point on the returning route by using the selected landmark only when providing the guidance regarding the branch point a last time among the plurality of times of providing guidance regarding the branch point.