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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0679317 (2000-10-04) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 577 인용 특허 : 58 |
System and method for preventing vehicle accidents in which GPS ranging signals relating to a host vehicle's position on a roadway on a surface of the earth are received on a first communication link from a network of satellites and DGPS auxiliary range correction signals for correcting propagation
System and method for preventing vehicle accidents in which GPS ranging signals relating to a host vehicle's position on a roadway on a surface of the earth are received on a first communication link from a network of satellites and DGPS auxiliary range correction signals for correcting propagation delay errors in the GPS ranging signals are received on a second communication link from a station or satellite. The host vehicle's position on a roadway on a surface of the earth is determined from the GPS, DGPS, and accurate map database signals with centimeter accuracy and communicated to other vehicles. The host vehicle receives position information from other vehicles and determines whether any other vehicle from which position information is received represents a collision threat to the host vehicle based on the position of the other vehicle relative to the roadway and the host vehicle. If so, a warning or vehicle control signal response to control the host vehicle's motion is generated to prevent a collision with the other vehicle.
1. 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 roadwa
1. 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.
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