Patent ID: 8305206
Filing Date: 2012-11-06
Classification: B60W,G08G

Abstract:
1. A method for generating a speed alert with an electronic device in a vehicle, the method comprising; receiving a vehicle speed signal indicating the speed at which the vehicle is traveling on a road; receiving a speed limit signal indicating a posted speed limit for the road traveled on by the vehicle; adding a predetermined speed buffer to the posted speed limit; comparing the posted speed limit and the predetermined speed buffer to the vehicle speed signal; generating an alert if the vehicle speed signal is greater than the posted speed limit and the predetermined speed buffer; receiving a class signal indicating a functional class for the road; assigning a first assigned speed limit to the functional class for the road; determining whether the posted speed limit is available; and comparing the first assigned speed limit and the predetermined speed buffer to the vehicle speed signal if the posted speed limit is unavailable.