Patent ID: 8140266
Filing Date: 2012-03-20
Classification: B60W,G01C,G08G

Abstract:
1. A vehicle positioning information updating system for updating positioning information concerning positioning of an own vehicle mounting an assistance control unit which carries out assistance control according to the own vehicle position, comprising: an updating condition setting unit configured to set an updating condition for updating the positioning information based on characteristics or a level of the assistance control by the assistance control unit; and an updating executing unit configured to execute updating of the positioning information according to the updating condition set by the updating condition setting unit, wherein: the characteristics or the level of the assistance control by the assistance control unit comprises accuracy in positioning required for executing the assistance control by the assistance control unit, the updating condition for the positioning information comprises a frequency of executing the updating the positioning information, and the positioning information comprises the own vehicle position obtained from map matching or map data stored in a map database of the own vehicle.