| 摘要 |
PURPOSE: Communication of vehicle information is provided to improve the safety of automobiles through radio communication between an automobile and another and/or a roadside device and the automobiles. CONSTITUTION: The external device may be mounted as a receiver in an adjacent vehicle which is provided with a display to display a parameter of the information transmitted. The vehicle may have a receiver adapted to receive information from a roadside transmitter and preferably a database is populated by the measurement information received from a plurality of vehicles in the vicinity. The information transmitted may include vehicle speed, direction, location, an indication of braking, wheel slippage, lane or general performance of the vehicle. In use the transmitter and receiver form a temporary local area network between at least two vehicles and preferably form a Bluetooth . o. piconet. Other embodiments provide for the collation of real time traffic data based on the transmitted information and transmission of a speed limit to a vehicle from a road side transmitter or roadway sign. Another embodiment adjusts a driving control of a vehicle in response to a received transmission where the driving control is the accelerator, brakes or steering control.
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