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Method and apparatus for satellite positioning system based time measurement 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-071/85
  • G01S-005/02
출원번호 US-0074521 (1998-05-07)
발명자 / 주소
  • Krasner Norman F.
출원인 / 주소
  • SnapTrack, Inc.
대리인 / 주소
    Blakely, Sokoloff, Taylor & Zafman
인용정보 피인용 횟수 : 286  인용 특허 : 17

초록 ▼

A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first record is compar

대표청구항 ▼

[ What is claimed is:] [1.] A computer readable storage medium containing executable computer program instructions which when executed cause a digital processing system to perform a method comprising:receiving at an entity a first record of at least a portion of a satellite data message of a satelli

이 특허에 인용된 특허 (17)

  1. Janky James M. (Los Altos CA) Schipper John F. (Palo Alto CA), Accurate time standard for vehicle operation.
    상세보기
  2. Kirk Geoffrey R. ; Allison Michael Timo ; Viney Ian,NZX ; Skoog Paul N., Automatic transference between real-time operation and post-processing in a GPS survey system.
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  3. Brown Alison K. (Monument CO) Sturza Mark A. (Woodland Hills CA), GPS tracking system.
    상세보기
  4. Cantwell Robert H. (Sudbury MA), Global system positioning receiver.
    상세보기
  5. Bulgier Lawrence W. (West Suffield CT), Method and apparatus for measuring elapsed time between an initiating event and a dependent event.
    상세보기
  6. Krasner Norman F., Method and apparatus for satellite positioning system based time measurement.
    상세보기
  7. Taylor Ralph E. (Silver Spring MD) Sennott James W. (Bloomington IL), Navigation system and method.
    상세보기
  8. Grobert Paul H. (Granada Hills CA), Null processing and beam steering receiver apparatus and method.
    상세보기
  9. Grobert Paul H. (Granada Hills CA), Null processing receiver apparatus and method.
    상세보기
  10. Kennedy Joseph P. (Fairfax VA) Roller Christopher D. (Burke VA) Hooper Robert W. (Arlington VA), Passive high accuracy geolocation system and method.
    상세보기
  11. Desai Simon (San Jose CA) MacKnight James G. (Morgan Hill CA), Precise universal time for vehicles.
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  12. Abraham Charles (Cupertino CA) Janky James M. (Los Altos CA), Provision of SPS timing signals.
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  13. Aguado Morton M. (New York NY), Retransmitted GPS interferometric system.
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  14. Johnson Russell K. (Half Moon Bay CA), Separated GPS sensor and processing system for remote GPS sensing and centralized ground station processing for remote m.
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  15. Fitzgerald Brendan T. (Indialantic FL) Powshok Andrew T. (Indian Harbour Beach FL) Belcher Donald K. (Rogersville TN) White Jeffrey R. (Melbourne Village FL) Darby ; Jr. Albert D. (Valkaria FL) Nelso, Technique for determining propagating and clear frequency to be used in wide area wireless data communications network.
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  16. Loomis Peter V. W. (Sunnyvale CA), Time transfer system.
    상세보기
  17. Brown Alison K. (Monument CO) Sturza Mark A. (Woodland Hills CA), Vehicle tracking system employing global positioning system (GPS) satellites.
    상세보기

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