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Method of and apparatus for obtaining vehicle heading information 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/185
  • G01S-005/02
출원번호 US-0703224 (1991-05-20)
우선권정보 GB-0013527 (1990-06-18)
발명자 / 주소
  • Barnard Michael E. (Reigate GB2)
출원인 / 주소
  • U.S. Philips Corporation (New York NY 02)
인용정보 피인용 횟수 : 74  인용 특허 : 0

초록 ▼

When fewer than three of the satellites of a satellite global positioning system (GPS) such as NAVSTAR are visible to a user (15), the user cannot obtain independent positional information from the system. Since a satellite (11) in such a system is moving with respect to a user (15), its signals are

대표청구항 ▼

A method of obtaining vehicle heading information from a global positioning system (GPS), characterized in that the heading information is determined from kDD1Xㆍcosq1X+V1Yㆍcosq1Y+V1Zㆍcosq1Z-mㆍcosfq1N-mㆍsinfq1E where k is equal to the speed of light c divided by the GPS center frequency, DD1X is the

이 특허를 인용한 특허 (74)

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