Patent ID: 8335648
Filing Date: 2012-12-18
Classification: B61L,G01C

Abstract:
1. A route-searching system having route-searching network data memory means for storing transportation network data made of nodes and links connecting the nodes, point setting means for setting a departure point and a destination point, and route-searching means for searching for a route from the departure point to the destination point using the transportation network data, the route-searching system characterized in that the route-searching system comprises time zone data memory means for storing time zone information which is associated with the nodes constituting the transportation network and to which the nodes belong; reference-time time table data memory means for storing reference-time time table data which is time table data of a transportation system, and which is created using a predetermined reference time irrespective of the time zone to which the node belongs; time zone determination means for determining the time zone to which the departure point or the destination point belongs; and time conversion means, wherein the route-searching means searches for a route from the departure point to the destination point on the basis of the transportation network data and the reference-time time table data; and the time conversion means converts the time data of the searched route into guidance route data on the basis of the time zone to which the departure point or the destination point belongs.