Patent ID: 7298248

Claim:
A communication system for a vehicle traveling over a road surface and having a front end, a forward compartment, a passenger compartment, a wall dividing the forward compartment and the passenger compartment, and a rear end; a detector at the front end for sensing speed detection signals impinging on said vehicle, to monitor the speed of said vehicle or a nearby vehicle and to generate an output signal in response thereto; a radio frequency transmitter adjacent the front end for receiving said detector output signal and for transmitting a transmit signal indicative of said speed detection signals in response thereto directed toward said road surface so as to be deflected toward the passenger compartment; a receiver adjacent said wall, either in said front compartment or in said passenger compartment, for receiving said transmit signal from the road surface and for outputting an annunciator signal in response thereto; and an annunciator in said passenger compartment, coupled to said receiver to receive said annunciator signal and for outputting an annunciator indication in response thereto.