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Method and system for detecting gases or vapors in a monitored area

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-021/31
출원번호 US-0009421 (1998-01-20)
발명자 / 주소
  • Goldenberg Ephraim,ILX
  • Serero Shaul,ILX
  • Cohen David,ILX
  • Spector Yechiel,ILX
  • Jacobson Esther,ILX
출원인 / 주소
  • Spectronix Ltd., ILX
대리인 / 주소
    Friedman
인용정보 피인용 횟수 : 29  인용 특허 : 6

초록

A method of detecting the presence of a predetermined vapor of a predetermined concentration in a monitored area, the method including the steps of (a) exposing gas in or from the monitored area to radiation at wavelengths at least covering and surrounding from both sides a main absorption peak of t

대표청구항

[ What is claimed is:] [1.] A method of increasing the sensitivity of detecting the presence of a predetermined first vapour of a predetermined threshold concentration having a first main absorption peak in a monitored area in optional presence of a second vapour having a second, yet close, main abs

이 특허에 인용된 특허 (6)

  1. Jacobson Esther (Tel Aviv ILX) Spector Yechiel (Tel Aviv ILX) Goldberg Ephraim (Tel Aviv ILX), Method and apparatus for detecting hydrocarbon vapors in a monitored area.
  2. Shinohara Akio (Fujisawa JPX), Method and apparatus for measuring methane concentration in gas.
  3. Sachse Glen W. (Yorktown VA) Wang Liang-Guo (Hampton VA), Non-mechanical optical path switching and its application to dual beam spectroscopy including gas filter correlation rad.
  4. Wilcox Steven ; Goldman Don S., Photometer apparatus.
  5. Smith Charles R. (421 Westminster Wenonah NJ 08090), Photosensitive color monitoring device and method of measurement of concentration of a colored component in a fluid.
  6. Bunge Konrad (Cologne DT), Two-beam photometer with rotatable graded interference filter.

이 특허를 인용한 특허 (29)

  1. Clegg, Samuel M; Fessenden-Rahn, Julianna E, Apparatus and method for monitoring of gas having stable isotopes.
  2. Parsons, Robert, Apparatus and method for multi-spectral dual balanced imaging.
  3. Hummel,Rolf E.; Fuller,Ann Marie; Schollhorn,Claus; Holloway,Paul H., Differential reflection spectroscopy system and method for detecting explosives and other target materials.
  4. Tindall David,GBX ; Innes David,GBX, Flame detector units and flame management systems.
  5. Kittleson, Travis J., Hydrocarbon vapor detector apparatus and method.
  6. Smith,Patrick G., Infrared gas detector.
  7. Lee Richman GB, Infrared radiation detector for monitoring the presence of alkanes.
  8. Gunn, Scott Edwin; Debliek, John Wesley, Method and apparatus for detecting gas conveyed by drilling fluids.
  9. Shifflett, Peter S.; Johnson, James H.; Webster, Jason K.; Smith, Dennis L., Method and apparatus for measuring particulates in vehicle emissions.
  10. Grant,Michael; Marin,Ovidiu; Penfornis,Erwin; Von Drasek,William A., Method and apparatus for real-time monitoring of furnace flue gases.
  11. Zhang, Haihong; Guan, Cuntai; Hamadi Charef, Brahim Ahmed Salah; Wang, Chuanchu; Phua, Kok Soon, Method and system for concentration detection.
  12. DeBono, Reno; Carroll, John J.; Sandor, Robert, Method and system for establishing the cleanliness of a device.
  13. Morris, Jonathan M.; Zeng, Yousheng, Methods and systems for detecting a chemical species.
  14. Zeng, Yousheng; Morris, Jonathan M.; Abdelmoati, Hazem M., Methods and systems for detecting a chemical species.
  15. Morris, Jonathan M.; Zeng, Yousheng, Methods for calibrating a multiple detector system.
  16. Zeng, Yousheng; Morris, Jonathan M.; Abdelmoati, Hazem M., Methods for differential image quality enhancement for a multiple detector system, systems and use thereof.
  17. Lu, Liangju; King, John, Open path gas detector.
  18. Bristol, L. Rodney, Optical gas detector.
  19. Thoma, Eben Daniel; Secrest, Cary Doman; Mitchell, William A.; Squier, William C., Optical remote sensing of fugitive releases.
  20. Scanlon, Tom; Woolaway, James T.; Madding, Robert P., Portable multi-function inspection systems and methods.
  21. Scanlon, Tom; Woolaway, James T.; Madding, Robert P., Portable multi-function inspection systems and methods.
  22. Scanlon, Tom; Woolaway, James T.; Madding, Robert P., Portable multi-function inspection systems and methods.
  23. Friedrich Schlemm DE, Process and devices for monitoring facilities in the chemical industry.
  24. Wong, Jacob Y., Re-calibration methodology for NDIR gas sensors.
  25. Tolton, Boyd T.; Banica, Adrian; Miller, Douglas W., Remote sensing of gas leaks.
  26. Sandor, John L., Sample cell.
  27. Sandor, John L., Sample cell for gas monitoring.
  28. Smith, Patrick L; Beck, Steven M, System and apparatus for monitoring concentration of greenhouse gas.
  29. Morris, Jonathan M.; Zeng, Yousheng, Systems for detecting a chemical species and use thereof.
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