ROUTE SEARCH DEVICE AND METHOD, INFORMATION PROVIDING DEVICE AND METHOD, AND ROUTE SEARCH SYSTEM

摘要

A route search device installed on a mobile unit includes: a database (106) in which map information (1062) and facility information (1064) are stored, a reference location information obtaining unit (104) that obtains reference location information as location information of a given point from an outside of the route search device, a location information obtaining unit (104) that obtains location information of a desired facility from the outside, a corresponding location information obtaining unit (104) that obtains corresponding location information as location information of a point corresponding to the given point, from the database (106), a location correction factor calculating unit (1042) that calculates a location correction factor, based on the reference location information and the corresponding location information, a location correction factor storage unit (108) that stores the location correction factor, a location information correcting unit (110) that corrects the location information of the desired facility, using the location correction factor, and a route searching unit (110) that makes a search for a route to the desired facility, based on the corrected location information of the desired facility.