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특허 상세정보

Transfer of calibrated time information in a mobile terminal

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-003/02   
미국특허분류(USC) 342/464;
출원번호 US-0951856 (2010-11-22)
등록번호 US-8253628 (2012-08-28)
우선권정보 EP-04250403 (2004-01-26); EP-04253427 (2004-06-09); GB-0421351.8 (2004-09-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Roylance, Abrams, Berdo & Goomdan, LLP
인용정보 피인용 횟수 : 17  인용 특허 : 16
초록

A method of and system for calibrating un-calibrated time information within a mobile terminal 101 is disclosed. The terminal has a receiver 203 capable of receiving signals from which calibrated time information carried by a calibrated system (a satellite positioning system) can be extracted, and a receiver 200 capable of receiving signals from which un-calibrated time information carried by an un-calibrated stable system (a cellular communications system) may be extracted. The time offset between calibrated time information extracted from the calibrate...

대표
청구항

1. A method of calibrating un-calibrated time information within a mobile terminal having one or more receivers, a first receiver capable of receiving signals from which calibrated time information carried by a calibrated system can be extracted, and the first or second receiver being capable of receiving signals from multiple transmitters of an un-calibrated stable communications system, said transmitters having offsets in their signal transmission times, from which signals un-calibrated time information carried by said un-calibrated stable communicatio...

이 특허에 인용된 특허 (16)

  1. Carlsson, Hans; Koorapaty, Havish; Bloebaum, Leland Scott. Accurate GPS time estimate based on information from a wireless communications system. USP2003086603978.
  2. Watters J. Michael,CAX ; Strawczynski Leo,CAX ; Steer David G.,CAX. Combining GPS with TOA/TDOA of cellular signals to locate terminal. USP1999115982324.
  3. Eshenbach Ralph F. (Woodside CA). GPS receiver using a radio signal for improving time to first fix. USP1997095663735.
  4. Drane Christopher R.,AUX ; MacNaughtan Malcolm D.,AUX ; Scott Craig A.,AUX. Location and tracking system. USP2001086275705.
  5. Drane, Christopher R.; MacNaughtan, Malcolm D.; Scott, Craig A.. Location and tracking system. USP2003026522890.
  6. Thomas M. King ; George J. Geier ; Gerald J. Gutowski. Method and apparatus for calibrating base station locations and perceived time bias offsets in an assisted GPS transceiver. USP2002096445927.
  7. Samir S. Soliman. Method and apparatus for determining search center and size in searches for GPS transmissions. USP2002086429815.
  8. Stein,Jeremy M.; Weissman,Haim. Method and apparatus for estimating the position of a terminal based on identification codes for transmission sources. USP2006117139580.
  9. Duffett-Smith Peter James,GBX ; Woan Graham,GBX. Navigation and tracking system for shielded spaces. USP1998115838279.
  10. Jaeckle,Thomas H.; Johnson,Richard L.; Koets,Michael A.; Bushman,M. LaVarre. Passive GSM-based self-locating device. USP2008047363043.
  11. Duffett-Smith Peter James,GBX ; Grainge Keith James Bruno,GBX. Position determining system. USP2000076094168.
  12. Peter James Duffett-Smith GB; Keith James Bruno Grainge GB. Position determining system. USP2002016342854.
  13. Duffett-Smith, Peter James; Brice, James Paul. Positioning systems and methods. USP2005086937866.
  14. Duffett-Smith, Peter James; Brice, James Paul; Hansen, Paul. Radio positioning systems. USP2003036529165.
  15. Duffett-Smith, Peter James; MacNaughtan, Malcolm David; Clarke, John Christopher; Rowe, Robert Willem. Radio positioning systems. USP2005056894644.
  16. Duffett-Smith, Peter James; Pratt, Anthony Richard; Bartlett, David William. Transfer of calibrated time information in a mobile terminal. USP2010127852267.

이 특허를 인용한 특허 피인용횟수: 17

  1. Rovinsky, Jacob. Anti-rocket system. USP2015129207049.
  2. Rovinsky, Jacob. Anti-rocket system. USP2018069995559.
  3. Krasner, Norman; Raghupathy, Arun. Cell organization and transmission schemes in a wide area positioning system (WAPS). USP2015119176217.
  4. Krasner, Norman; Raghupathy, Arun. Cell organization and transmission schemes in a wide area positioning system (WAPS). USP2016069372266.
  5. Krasner, Norman; Raghupathy, Arun. Cell organization and transmission schemes in a wide area positioning system (WAPS). USP2016039291712.
  6. Krasner, Norman; Raghupathy, Arun. Coding in a wide area positioning system (WAPS). USP2015089119165.
  7. Krasner, Norman; Raghupathy, Arun. Coding in a wide area positioning system (WAPS). USP2014128917209.
  8. Rovinsky, Jacob; Solomon, Ernest; Hankin, Maxim; Kashani, Israel. Relative time measurement system with nanosecond level accuracy. USP2014118880372.
  9. Raghupathy, Arun; Pattabiraman, Ganesh; Kumar, Shubham; Clark, Henry; Sendonaris, Andrew; Willhoff, Steven J.. Systems and methods for location positioning of user device. USP2016019247392.
  10. Raghupathy, Arun; Meiyappan, Subramanian; Joseph, Deepak; Vajjhala, Varaprasad. Systems and methods for providing conditional access to transmitted information. USP2016079390279.
  11. Raghupathy, Arun; Meiyappan, Subramanian; Joseph, Deepak; Vajjhala, Varaprasad. Systems and methods for providing conditional access to transmitted information. USP2016039286490.
  12. Pattabiraman, Ganesh; Meiyappan, Subramanian; Raghupathy, Arun; Sankar, Hari. Wide area positioning system. USP2014018629803.
  13. Pattabiraman, Ganesh; Meiyappan, Subramanian; Raghupathy, Arun; Sankar, Hari. Wide area positioning system. USP2014028643540.
  14. Raghupathy, Arun; Meiyappan, Subramanian S; Wolf, Thomas. Wide area positioning system. USP2014108874398.
  15. Raghupathy, Arun; Pattabiraman, Ganesh; Meiyappan, Subramanian S. Wide area positioning system. USP2016089408024.
  16. Wolf, Tom; Raghupathy, Arun; Meiyappan, Subramanian. Wide area positioning system. USP2015069057606.
  17. Raghupathy, Arun; Sendonaris, Andrew; Krasner, Norman F.. Wide area positioning systems and methods. USP2015059035829.