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특허 상세정보

Vehicle navigation system and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06G-007/48   
미국특허분류(USC) 701/213 ; 701/214 ; 701/215 ; 701/208 ; 73/178R
출원번호 US-0580150 (1995-12-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Howard & Howard
인용정보 피인용 횟수 : 187  인용 특허 : 77
초록

The improved vehicle navigation system and method uses information from a Global Positioning System (GPS) to obtain velocity vectors, which include speed and heading components, for "dead reckoning" the vehicle position from a previous position. If information from the GPS is not available, then the improved vehicle navigation system uses information from an orthogonal axes accelerometer, such as two or three orthogonally positioned accelerometers, to propagate vehicle position. Because the GPS information should almost always be available, the improved ...

대표
청구항

[ We claim:] [12.] An improved vehicle navigation system, comprising:a GPS receiver which provides GPS velocity information, said vehicle navigation system uses said GPS velocity information to propagate a previous position to a current position;an orthogonal axes accelerometer provides motion signals having longitudinal and lateral acceleration information and zero offsets, including longitudinal and lateral acceleration information, said vehicle navigation system determines heading change using said lateral acceleration information and longitudinal spe...

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