Patent ID: 7222018
Filing Date: 2007-05-22
Classification: G01C,G08G

Abstract:
1. In a vehicle navigation system having a visual display screen, a method for filtering traffic information received from a remote location, comprising the steps of: (a) determining a current location of the vehicle navigation system; (b) receiving traffic information from the remote location; (c) determining whether the traffic information received in said step (b) relates to traffic conditions located within a predetermined distance from the vehicle navigation system; (d) discarding traffic information that is determined in said step (c) to relate to traffic conditions located farther than the predetermined distance from the vehicle navigation system; (e) calculating a travel route, based at least in part on the traffic information received in said step (b) that relates to traffic conditions located within the predetermined distance from the vehicle navigation system; and (f) displaying the travel route calculated in said step (e) on the visual display screen.