Patent ID: 7164988
Filing Date: 2007-01-16
Classification: G01C

Abstract:
1. A map display system comprising: a map data storing unit for storing map data used to draw a map and intersection data, wherein the intersection data includes names of roads and data of nodes of the respective roads, wherein each of the nodes includes at least one of an intersecting point, a branching point, and a merging point, wherein a name of a given road and data of nodes of the given road are mutually correlated; a road name input unit for inputting only a name of a road so as to prevent limitation of the road; a point designating unit for designating nodes, in ascending order of distances between the respective designated nodes and a given point, with reference to intersection data corresponding to the inputted name of the road; and a display control unit for displaying on a screen one of the nodes designated by the point designating unit and a peripheral map corresponding to the one of the designated nodes.