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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0076502 (1993-06-11) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 581 인용 특허 : 0 |
An automobile is equipped with an inertial measuring unit, an RF GPS satellite navigation unit and a local area digitized street map system for precise electronic positioning and route guidance between departures and arrivals, is equipped with RF receivers to monitor updated traffic condition inform
An automobile is equipped with an inertial measuring unit, an RF GPS satellite navigation unit and a local area digitized street map system for precise electronic positioning and route guidance between departures and arrivals, is equipped with RF receivers to monitor updated traffic condition information for dynamic rerouting guidance with a resulting reduction in travel time, traffic congestion and pollution emissions, is also equipped with vehicular superceding controls substantially activated during unstable vehicular conditions sensed by the inertial measuring unit to improve the safe operation of the automobile so as to reduce vehicular accidents, and is further equipped with telecommunications through which emergency care providers are automatically notified of the precise location of the automobile in the case of an accident so as to improve the response time of road-side emergency care.
A vehicular guidance, control, and safety system within a vehicle for receiving GPS signals transmitted from GPS satellites, for receiving radio data signals encoded with traffic flow data transmitted from a radio data signal transmitter, the traffic flow data indicating levels of traffic, and for t
A vehicular guidance, control, and safety system within a vehicle for receiving GPS signals transmitted from GPS satellites, for receiving radio data signals encoded with traffic flow data transmitted from a radio data signal transmitter, the traffic flow data indicating levels of traffic, and for transmitting emergency signals to emergency care receivers, said vehicle having electronic controls connected to vehicular actuators and sensors for controlling the operation of said vehicle, said system comprising: map storage means for storing digitized road maps having roads digitized as map coordinates, entry means for entering a destination, inertial means for sensing acceleration and velocity of said vehicle and providing acceleration and velocity digital signals to indicate that an emergency has occurred, antenna means for receiving said GPS signals, for receiving said radio data signals, and for transmitting said emergency signals, GPS receiving means connected to said antenna for demodulating said GPS signals into digital GPS signals, radio data receiving means for demodulating said radio data signals into digital radio data signals, emergency transmitter means for transmitting said emergency signals, processor means connected to said GPS receiving means, said emergency transmitter means, said radio data receiving means, said map storage means, and said entry means, said processor means for computing a current position of said vehicle according to said digital GPS signals and said acceleration and velocity digital signals, and for computing a first route through said digitized map coordinates between said current position and said destination, for computing a second route when said traffic flow data indicates high levels of traffic along said first route, for transmitting said emergency signals encoded with said current position when said acceleration exceeds predetermined deceleration limits, and for dynamically controlling the operation of said vehicle through said vehicular electronic controls, wherein said processor means comprises inertial processor means for receiving said acceleration and velocity digital signals and for presenting formatted acceleration and velocity digital signals, GPS processor means for receiving said digital GPS signals, for receiving said acceleration and velocity formatted digital signals, and for computing therefrom a current position of said vehicle, navigation processor means connected to said inertial processor means and said GPS processor means for communicating said acceleration and velocity formatted digital signals to GPS processor means, and for receiving said current position, translator processor means connected to said navigation means for receiving said current position and translating the same into current position coordinates, radio data signal processor means receiving said digital radio data signals and decoding said traffic flow data into traffic flow coordinates, entry controller processor means for communicating said digitized road maps, for translating said destination into destination coordinates and communicating the same, and for communicating said current position coordinates to said emergency transmitter, route processor means connected to said translator processor means for receiving said current position coordinates, connected to said entry controller processor means for receiving said digitized road maps and said destination coordinates, connected to said radio data signal processor means for receiving said traffic flow coordinates, said route processor means for computing a route between said current position coordinates and said destination coordinates within said digitized road maps, and for recomputing a new route between said current position coordinates and said destination coordinates within said digitized road maps but avoiding said traffic flow coordinates, said route processor means also for communicating said current position coordinates to said entry controller processor means for transmitting said emergency signals, and dynamic control processor means connected to said navigation processor means for receiving said acceleration and velocity formatted digital signals, connected to said vehicular electronic controls for controlling the operation and sensing the condition of said vehicle, said dynamic control processor means for sending control signals to said vehicle\s electronic controls in response to unstable conditions determined from said acceleration and velocity formatted digital signals and sensed from said sensors, said dynamic control processor means further connected to said entry controller processor means for initiating the transmission of said emergency signals when said acceleration exceeds predetermined deceleration limits.
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