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Highway vehicle identification system with high gain antenna 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-013/74
  • G01S-013/80
출원번호 US-0446234 (1989-12-05)
발명자 / 주소
  • Brockelsby William K. (Edmonton CAX) Walker Conrad M. B. (Edmonton CAX) Hryciuk Michael L. (Edmonton CAX) Gillis Donald P. (Edmonton CAX)
출원인 / 주소
  • EID Electronic Identification Systems Ltd. (Montreal CAX 03)
인용정보 피인용 횟수 : 54  인용 특허 : 0

초록 ▼

An antenna system for mounting in a roadway comprised of an electrically lossy material. The antenna system has a reflector trough shield filled with a solid dielectric. An antenna, preferably comprised of coaxial cable, is positioned in the reflector trough, which prevents electromagnetic waves rad

대표청구항 ▼

An apparatus for communicating with a transponder carried by a vehicle moving along a multi-lane roadway, comprising: transmitter means for producing a triggering signal; an antenna system coupled to said transmitter means and having a portion driven by said triggering signal to produce a triggering

이 특허를 인용한 특허 (54)

  1. Ho,Thua Van; Terrier,Daniel, Adaptive channel bandwidth in an electronic toll collection system.
    상세보기
  2. Chon,Hae Don; Seol,Jong Chol, Apparatus for detecting position information of a moving object.
    상세보기
  3. Sharpe Claude Andrew (McKinney TX), Automatic vehicle identification system capable of vehicle lane discrimination.
    상세보기
  4. Ho,Thua Van; Tang,Wai Cheung, Compact microstrip transponder antenna.
    상세보기
  5. Woo,Henry Sun Yee; Tang,Wai Cheung; Manuel,Paul Anthony Laing; He,Weimin; Terrier,Daniel; Tong,Roger, Dual mode electronic toll collection transponder.
    상세보기
  6. Ho,Thua Van; Tong,Roger; Tang,Wal Cheung; Terrier,Daniel; Capper,Martin, Dynamic timing adjustment in an electronic toll collection system.
    상세보기
  7. Tuttle, John R., Electrically powered postage stamp or mailing or shipping label operative with radio frequency (RF) communication.
    상세보기
  8. Tuttle, Mark E., Electronic communication devices, methods of forming electrical communication devices, and communications methods.
    상세보기
  9. Tang,Wai Cheung; Ho,Thua Van, Electronic toll collection system.
    상세보기
  10. Kohli, Japjeev; Malarky, Alastair, Enhanced transponder programming in an open road toll system.
    상세보기
  11. Kohli, Japjeev; Malarky, Alastair, Enhanced transponder programming in an open road toll system.
    상세보기
  12. Zhu,Jeffrey; Tang,Wai Cheung, External indicator for electronic toll communications.
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  13. Allen, Jim; Allen, Sr., David C.; Ippolito, William J., Ferromagnetic loop.
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  14. Allen,Jim; Allen, Sr.,David C.; Ippolito,William J., Ferromagnetic loop.
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  15. Allen,Jim; Allen, Sr.,David C.; Ippolito,William J., Ferromagnetic loop.
    상세보기
  16. Tiernay, Robert, Intermodulation mitigation technique in an RFID system.
    상세보기
  17. Tiernay, Robert, Intermodulation mitigation technique in an RFID system.
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  18. Tiernay, Robert, Intermodulation mitigation technique in an RFID system.
    상세보기
  19. Tiernay, Robert W., Intermodulation mitigation technique in an RFID system.
    상세보기
  20. Tiernay, Robert W., Intermodulation mitigation technique in an RFID system.
    상세보기
  21. Bruce, Staffan, Method and device for continuous wave radar measurements.
    상세보기
  22. Tiernay, Robert Walter; Ho, Thua Van; He, Weimin; Cook, James Kenneth; Benvidi, Mohammed, Method and means for RF toll collection.
    상세보기
  23. Tang,Wai Cheung; Ho,Thua Van, Method of enabling two-state operation of electronic toll collection system.
    상세보기
  24. Tuttle,Mark E.; Lake,Rickie C., Methods for forming integrated circuits within substrates.
    상세보기
  25. Sharpe Claude A. (McKinney TX) Hurta Dwaine S. (Garland TX) Hamlett Mark A. (Garland TX), Multi-stage transponder wake-up, method and structure.
    상세보기
  26. Allen, Jim; Zhong, Sheng; Venugopal, Raghavan; Xie, Tiegang; Sun, Fajie; Reddy, Sangmesh; Chawla, Brijesh Rai; Banna, Balaraju; Harinath, Shyamnath, Multilane vehicle information capture system.
    상세보기
  27. Allen, Jim; Banna, Balaraju; Harinath, Shyamnath; Sun, Fajie; Talley, Malcolm, Multiple RF read zone system.
    상세보기
  28. Tiernay,Robert W.; He,Weimin, Multiple protocol transponder.
    상세보기
  29. Akutsu Eisaku,JPX ; Ohkuwa Yoshihiro,JPX, On-road object detecting system.
    상세보기
  30. Ohta,Yoshiji; Hara,Keita; Hamamoto,Masaki, Position detecting system, and transmitting and receiving apparatuses for the position detecting system.
    상세보기
  31. Oomen Peter,CAX ; Cook James Kenneth,CAX ; Terrier Daniel L.,CAX, Radio frequency highway management system.
    상세보기
  32. Tuttle, John R., Radio frequency identification device and method.
    상세보기
  33. Tuttle, John R., Radio frequency identification device and method.
    상세보기
  34. Tuttle, John R., Radio frequency identification device and method.
    상세보기
  35. Michael John Brady ; Dah-Weih Duan ; Venkata S. R. Kodukula ; Paul Andrew Moskowitz, Radio frequency identification transponder having a reflector.
    상세보기
  36. Malarky, Alastair, Real-time vehicle position determination using communications with variable latency.
    상세보기
  37. Malarky, Alastair, Real-time vehicle position determination using communications with variable latency.
    상세보기
  38. Yoshida Yasuharu,JPX, Simple mobile object position detecting system.
    상세보기
  39. Pressel Richard J. ; Pressel Michael G. ; Groupp Barry A., System and method for communicating location and direction specific information to a vehicle.
    상세보기
  40. Allen, Jim, System and method for loop detector installation.
    상세보기
  41. Zhu,Jeffrey, System and method for secure mobile commerce.
    상세보기
  42. Tuttle, John R., System and method to track articles at a point of origin and at a point of destination using RFID.
    상세보기
  43. Mullet, Willis J.; Mamaloukas, Jason L., System and methods for automatically moving access barriers initiated by mobile transmitter devices.
    상세보기
  44. Mullet, Willis J.; Mamaloukas, Jason L.; Murray, James S., System and methods for automatically moving access barriers initiated by mobile transmitter devices.
    상세보기
  45. Mullet, Willis Jay; Rodriguez, Yan; Swift, Michael Scott, System and methods for automatically moving access barriers initiated by mobile transmitter devices.
    상세보기
  46. Mullet,Willis J.; Mamaloukas,Jason L., System and methods for automatically moving access barriers initiated by mobile transmitter devices.
    상세보기
  47. Mullet,Willis J.; Mamaloukas,Jason L.; Murray,James S., System and methods for automatically moving access barriers initiated by mobile transmitter devices.
    상세보기
  48. Allen, Jim; Banna, Balaraju; Talley, Malcolm; Allen, Sr., David C.; Jacobs, Allen, System and synchronization process for inductive loops in a multilane environment.
    상세보기
  49. Tuttle,John R., Thin flexible, RFID labels, and method and apparatus for use.
    상세보기
  50. Tuttle,John R., Thin, flexible, RFID label and system for use.
    상세보기
  51. Ho, Thua Van; Terrier, Daniel; Tong, Roger; Tang, Wai-Cheung; Kohli, Japjeev, Transceiver redundancy in an electronic toll collection system.
    상세보기
  52. Hurta Dwaine S. (Garland TX) Frazee Francis B. (Plano TX), Transponder maintenance mode method.
    상세보기
  53. Allen, Jim; Zhong, Sheng; Venugopal, Raghavan; Banna, Balaraju; Zheng, Xidong, Vehicle image capture system.
    상세보기
  54. Mian, Zahid F., Wireless railroad monitoring.
    상세보기

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