Patent ID: 6405132
Filing Date: 2002-06-11
Classification: B60N,B60R,B60W,G01S,G05D,G08G

Abstract:
A system for preventing accidents between first and second vehicles, comprisinga first positioning system arranged in the first vehicle for determining the absolute position of the first vehicle, a memory unit arranged in the first vehicle for storing map data relating to edges of lanes of roadways, edges of roadways and the location of traffic control devices, a second positioning system arranged in the second vehicle for determining the absolute position of the second vehicle, communication means arranged at least partially in the second vehicle and coupled to said second positioning system for transmitting the position of the second vehicle to the first vehicle, first receiver means arranged in the first vehicle for receiving position information from the second vehicle, second receiver means arranged in the first vehicle for providing status information about the status of traffic control devices, processor means coupled to said first positioning system, said first receiver means, said second receiver and said memory unit for predicting a collision between the first vehicle and the second vehicle based on the position of the first and second vehicles, the map data and status information, and a reactive component or system arranged in the first vehicle and coupled to said processor means, said component or system being arranged to initiate an action or change its operation when a collision is predicted.