Patent ID: 6254201
Filing Date: 2001-07-03
Classification: B60R,B60T

Abstract:
A vehicle comprising:a tractor including a tractor cab for housing a tractor/trailer operator;a trailer mechanically and electrically connected to said tractor, said trailer including an antilock braking system and an antilock braking system interface responsive to said antilock braking system which produces a data signal representing a status of said antilock braking system;a power bus which distributes electrical power to said antilock braking system;power line carrier communicating means responsive to said antilock braking system interface for producing a data communications signal on said power bus from said data signal, wherein said power line carrier communicating means comprises spread spectrum signal producing means, responsive to the antilock braking system, for producing a spread spectrum data communications signal on said power bus from said data signal; andstatus determining means responsive to said power bus for determining the status of said antilock braking system from said data communications signal, wherein said status determining means comprises means for determining the status of the antilock braking system from said spread spectrum data communications signal.