Patent ID: 7492284
Filing Date: 2009-02-17
Classification: G01C,G06Q,G08G

Abstract:
1. A method for obtaining additional information pertaining to a route R along which a vehicle is traveling from a current location P to a destination D, said method comprising: acquiring, by an in-vehicle computer positioned within the vehicle, location information of the vehicle, said location information comprising the current location P of the vehicle; transmitting, by the in-vehicle computer to a server via a network, the location information, movable range information, and selection criteria information, wherein a movable range C derivable from the movable range information is an area relative to the current location P in which the vehicle can travel from the current location P by using a remaining amount of fuel in the vehicle when the vehicle is at the current location, wherein a limited range F with respect to the route R is a function of the location information, the movable range information, and the selection criteria information, and wherein the selection criteria information constrains the limited range F to be a subset of the movable range C that is less than the movable range C; and receiving, by the in-vehicle computer from the server, additional information limited to information concerning locations within the limited range F.