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System for obtaining a velocity of a moving object from a speed sensor with an improved adjustment of a speed conversion 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-005/02
출원번호 US-0495966 (1995-06-28)
우선권정보 JP-0150269 (1994-06-30)
발명자 / 주소
  • Maeda Hiroyuki (Yokohama JPX) Ajima Takumi (Zama JPX)
출원인 / 주소
  • Matsushita Electric Industrial Co., Ltd. (Osaka JPX 03)
인용정보 피인용 횟수 : 23  인용 특허 : 11

초록

A speed conversion coefficient calculating section 104 calculates a ratio of a GPS Doppler velocity calculated by a GPS velocity calculating section 101 to a vehicle speed measured by a speed sensor 102, thereby obtaining a speed conversion coefficient. There are provided a plurality of filtering se

대표청구항

A method for obtaining a velocity of a moving object comprising steps of: calculating a GPS traveling velocity of a moving object based on a Doppler shift observed by a global positioning system; measuring a traveling speed of the moving object and generating a speed signal representing said measure

이 특허에 인용된 특허 (11)

  1. Shaw Rudy L. (Huber Heights OH) Pequignot Nicholas A. (Kettering OH), Angle-of-arrival measurement via time doppler shift.
  2. Yokouchi Kazuhiro (Hyogo JPX) Kageyama Tatsumi (Hyogo JPX) Sekine Chogo (Tokyo JPX) Hojo Harumasa (Tokyo JPX) Yamada Koji (Tokyo JPX) Mikuriya Makoto (Hyogo JPX) Hirata Seiichiro (Hyogo JPX), GPS/self-contained combination type navigation system.
  3. Ashjaee Javad (San Jose CA) Helkey Roger J. (Goleta CA) Lorenz Robert G. (Palo Alto CA) Sutherland Robert A. (Newark CA), Global positioning system receiver with improved radio frequency and digital processing.
  4. Sekine Hiroshi (Wako JPX), Intercommunication system for vehicle.
  5. Tendler Robert K. (19 Lawrence Ave. Chestnut Hill MA 02167), Knotmeter impeller eliminator system.
  6. Toyama Yasuhiro (Anjo JPX) Yamada Takashi (Anjo JPX), Navigation apparatus for vehicle.
  7. Odagawa Satoshi (Kawagoe JPX), Navigation system with navigational data processing.
  8. Chia Si T. S. (Ipswich GB2), Speed estimation.
  9. Takemura Shinichi (Saitama JPX) Honda Tsutomu (Saitama JPX) Kawasaki Kenichiro (Saitama JPX) Endo Isao (Saitama JPX) Sakaguchi Shozaburo (Saitama JPX), Vehicle navigation apparatus.
  10. Shibata Akihito (Yokohama JPX) Tsuji Hiroaki (Yokohama JPX) Suga Yoichiro (Yokohama JPX), Vehicle navigation system using GPS including correction of coefficients for velocity sensor.
  11. Fujii Yutaka (Hiroshima JPX), Vehicle speed control system.

이 특허를 인용한 특허 (23)

  1. Liu, Zhixing; Kawabata, Akihiro, Distance factor learning device, distance factor learning method and current position calculating device.
  2. Jandrell Louis H. M., Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path.
  3. Jandrell, Louis H. M., Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path.
  4. Louis H. M. Jandrell, Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path.
  5. Jandrell, Louis Henry Martin, Method and system for determining carrier frequency offsets for positioning signals.
  6. Bromley, Patrick G.; Jandrell, Louis H. M.; Wise, Michael D., Method and system for processing positioning signals based on predetermined message data segment.
  7. Bromley, Patrick G.; Jandrell, Louis H. M.; Wise, Michael D., Method and system for processing positioning signals based on predetermined message data segment.
  8. Bromley, Patrick G.; Jandrell, Louis H. M.; Wise, Michael D., Method and system for processing positioning signals based on predetermined message data segment.
  9. Bromley, Patrick G.; Jandrell, Louis H. M.; Wise, Michael D., Method and system for processing positioning signals based on predetermined message data segment.
  10. Bromley,Patrick G.; Jandrell,Louis H. M.; Wise,Michael D., Method and system for processing positioning signals based on predetermined message data segment.
  11. Jandrell, Louis Henry Martin, Method and system for processing positioning signals in a geometric mode.
  12. Jandrell, Louis Henry Martin, Method and system for processing positioning signals in a geometric mode.
  13. Jandrell, Louis Henry Martin, Method and system for processing positioning signals in a stand-alone mode.
  14. Jandrell,Louis Henry Martin, Method and system for processing positioning signals in a stand-alone mode.
  15. Takanashi, Hiroaki; Kondoh, Takahiro, Method for deriving conversion coefficient used for specifying position from value detected by various sensors, and navigation apparatus.
  16. Chengshan Xiao CA; Karl D. Mann CA; Jan C. Olivier CA, Mobile speed estimation for digital cellular radio systems.
  17. Bando, Mikio; Aoki, Toshiyuki; Hiruta, Tomoaki; Yokota, Takayoshi; Kohida, Hiroyuki; Okada, Kazuhiro; Liu, Zhixing, Position estimation device and position estimation method.
  18. Ross Monte, Radar detector responsive to vehicle speed.
  19. Toda, Hiroyuki; Suyama, Masaki; Hamada, Hiroshi; Tanaka (Ninomiya), Mika; Hashimoto, Kunihiko, Satellite navigation/dead-reckoning navigation integrated positioning device.
  20. Jung, Mun Ho; Yi, Dong Hoon, Self-tuning apparatus of vehicle speed pulse coefficient and method thereof.
  21. Okada Tsuyoshi,JPX, Sensing device for detecting movement of vehicle by lane-marker.
  22. Wheatley, Timothy John, System and method for odometer calibration.
  23. Fanselow, Timothy William; Thode, Justin Forbes; Estep, Ryan Michaels, Systems and methods for materials handling vehicle odometry calibration.
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