Patent ID: 7161472
Filing Date: 2007-01-09
Classification: B60Q,G01V

Abstract:
1. A warning system for a host vehicle comprising: a first magneto-resistive sensor coupled to the host vehicle, said first magneto-resistive sensor sensing a first magnetic field variation in a first sensor area external to the host vehicle and generating a first sensor signal therefrom; and a controller coupled to the host vehicle receiving said first sensor signal, said controller generating a signal for activating a vehicle system in response to said first sensor signal; and a vehicle bus receiving various vehicle control signals and generating therefrom a vehicle bus signal, wherein said controller generates said signal for activating said vehicle system as a function of said vehicle bus signal; wherein said vehicle bus receives at least one of a vehicle type information signal, a vehicle speed signal, an RPM signal, a heading of host vehicle signal, a location of vehicle signal, a host vehicle directional signal, a steering wheel angle signal, or a brake status signal and generates said vehicle bus signal as a function of said at least one of said signals.