Patent ID: 7480563
Filing Date: 2009-01-20
Classification: G01C

Abstract:
1. A mobile object location providing device, installed in a mobile object, for receiving distribution data including information about an area surrounding a location information of the mobile object from a base station by using a communication unit and providing the distribution data, the mobile object location providing device comprising: a distribution condition information storage unit configured to store distribution condition information that includes information about times required for distribution of the distribution data; a current location movement history calculating unit configured to calculate a current location and a movement history of the mobile object; a distribution time estimating unit configured to estimate, upon receiving an area information acquisition request, distribution time of distribution date based on the distribution condition information; and a future location estimating unit configured to estimate a future location of the mobile object after lapse of the distribution time from the current location based on the movement history, and to output a request to the base station by using the communication unit for the base station to distribute area information that is information about an area surrounding the future location, wherein the distribution condition information is recorded according to the movement speed of the mobile object or the communication condition of the communication unit, or according to both thereof, and the distribution time estimating unit estimates the distribution time based on the distribution condition information.