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Non-dispersive infrared gas sensor

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01J-005/02
출원번호 US-0574578 (2000-05-17)
발명자 / 주소
  • Hong T. Sun
  • Peter C. Hsi
출원인 / 주소
  • Rae Systems, Inc.
대리인 / 주소
    Skjerven Morrill LLP
인용정보 피인용 횟수 : 54  인용 특허 : 13

초록

An NDIR sensor includes a cylindrical metallic tube, a printed circuit board platform that fits into one end of the tube, a diffusion filter that fits into the opposite end of the tube, and an optical system. The optical system includes an infrared source on the platform, a mirror on the inner wall

대표청구항

1. A gas sensor comprising:a tube having an inner wall that includes a reflective portion; a platform in a first end of the tube; a filter in a second end of the tube, wherein the filter allows gas to enter through the filter into the tube; an infrared source on the platform; and a detector assembly

이 특허에 인용된 특허 (13)

  1. Wong Jacob Y. (Santa Barbara CA), Gas sample chamber.
  2. Hirayama Noritomo,JPX ; Sakaue Satoru,JPX ; Uno Masahiro,JPX ; Sekine Yosheyuki,JPX, Infrared gas analyzer.
  3. Sukigara Kunio (Yokosuka JPX) Taniguchi Harutaka (Yokosuka JPX), Infrared gas analyzer.
  4. Wang Annie Q. (Pittsburgh PA), Method and apparatus for determining the concentration of a gas.
  5. Wong Jacob Y. (Santa Barbara CA), NDIR gas analysis using spectral ratioing technique.
  6. Wong Jacob Y., NDIR gas sensor.
  7. Wong Jacob Y. (Santa Barbara CA), NDIR gas sensor.
  8. Wong Jacob Y. (Santa Barbara CA), Nondispersive gas analyzer having no moving parts.
  9. Johnson Kevin M. (Rochester NY), Overridable worm gear drive for multicolor image forming apparatus.
  10. Wong Jacob Y., Passive and active infrared analysis gas sensors and applicable multichannel detector assembles.
  11. Wong Jacob Y. (Goleta CA), Passive infrared analysis gas sensor.
  12. Wong Jacob Y. (Santa Barbara CA), Self-calibrating carbon dioxide analyzer.
  13. Wong Jacob Y. (Santa Barbara CA), Spectral ratioing technique for NDIR gas analysis using a differential temperature source.

이 특허를 인용한 특허 (54)

  1. Tsai,Ming Lang; Chang,Jin Sheng; Chiou,Yii Tay; Chu,Chun Hsun, Apparatus for sensing plural gases.
  2. Hsueh, Wenpeng; Yeh, Weili; Hsi, Peter C.; Sun, Hong T., Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors.
  3. Wong, Jacob Y, Calibration methodology for NDIR dew point sensors.
  4. Tice,Lee D.; Petrovic,Dragan P., Chamber for gas detector.
  5. Hopper, Richard Henry; De Luca, Andrea; Ledins, Kaspars; Ali, Syed Zeeshan; Chowdhury, Mohamed Foysol, Chemical sensor.
  6. Weckstr철m,Kurt; Karlsson,Kai, Detection assembly and measuring arrangement for multigas analyzers.
  7. Petrovic,Dragan P.; Tice,Lee D., Detector with condenser.
  8. Petrovic,Dragan P.; Tice,Lee D., Detector with condenser.
  9. Amplatz, Kurt; Heidner, Matthew C.; Russo, Patrick; Ren, Brooke; Adams, Daniel O., Device for occluding vascular defects.
  10. Stock, Burkhard; Haack, Nils; Diekmann, Wilfried; Lange, Björn, Device with a measurement arrangement for optical measurement of gases and gas mixtures, with compensation of environmental effects.
  11. Manahan, Joseph Michael; Kozlowski, Marc Raymond, Explosion-proof enclosures with active thermal management by heat exchange.
  12. Manahan, Joseph Michael; Kozlowski, Marc Raymond, Explosion-proof enclosures with active thermal management by heat exchange.
  13. Manahan, Joseph Michael; Kozlowski, Marc Raymond, Explosion-proof enclosures with active thermal management using sintered elements.
  14. Manahan, Joseph Michael; Kozlowski, Marc Raymond, Explosion-proof enclosures with active thermal management using sintered elements.
  15. Lange,Bj철rn; Haack,Nils; Wulf,Lars; Chrzan,Rigobert, Explosion-proof gas sensor.
  16. Schlichte, Mladen; Lange, Björn, Explosion-proof sensor.
  17. Friedman, Bert, Gas detector and method for monitoring gas in a confined space.
  18. Tröllsch, Arne, Gas detector system.
  19. Cutler, Stuart Christopher; Vass, Alexander, Gas sensor.
  20. Lange,Bj��rn; Haack,Nils; Wulf,Lars; Chrzan,Rigobert, Gas sensor.
  21. Ludwig, Ronny, Gas sensor.
  22. Stuttard, David Michael, Gas sensor.
  23. Stuttard,David Michael, Gas sensor.
  24. Frodl,Robert, Gas sensor arrangement with improved long term stability and measuring method.
  25. Hopkins,Graham Paul; Hayward,Andrew Stephen, Gas sensors.
  26. Udrea, Florin; Gardner, Julian; Ali, Syed Zeeshan; Chowdhury, Mohamed Foysol; Poenaru, Ilie, IR emitter and NDIR sensor.
  27. Schubert,Axel, Infrared sensor with explosion-proof protection for gas metering appliances.
  28. Arno, Jose, Infrared thermopile detector system for semiconductor process monitoring and control.
  29. Arno, Jose, Infrared thermopile detector system for semiconductor process monitoring and control.
  30. Arno,Jose, Infrared thermopile detector system for semiconductor process monitoring and control.
  31. Arno,Jose, Infrared thermopile detector system for semiconductor process monitoring and control.
  32. Wong, Jacob Y, Intrinsically safe NDIR gas sensor in a can.
  33. Arno, Jose I., Monitoring system comprising infrared thermopile detector.
  34. Arno,Jose I., Monitoring system comprising infrared thermopile detector.
  35. Arno,Jose I., Monitoring system comprising infrared thermopile detector.
  36. Amplatz, Kurt; Glimsdale, Matt; Santer, Jana; Wise, Derek; Oslund, John C.; Anderson, Kent; Adams, Daniel O., Multi-layer braided structures for occluding vascular defects.
  37. Amplatz, Kurt; Glimsdale, Matt; Santer, Jana; Wise, Derek; Oslund, John; Anderson, Kent, Multi-layer braided structures for occluding vascular defects.
  38. Amplatz, Kurt; Glimsdale, Matt; Santer, Jana; Wise, Derek; Oslund, John; Anderson, Kent; Adams, Daniel O., Multi-layer braided structures for occluding vascular defects.
  39. Amplatz, Kurt; Gu, Xiaoping; Oslund, John C.; Thill, Gary A., Multi-layer braided structures for occluding vascular defects and for occluding fluid flow through portions of the vasculature of the body.
  40. Petrovic, Dragan, Multi-sensor gas detectors.
  41. Henderson, David Benjamin, Non-dispersive infrared sensor with a reflective diffuser.
  42. Clausen, Christoph; Diekmann, Wilfried; Wahlbrink, Gunter, Optical gas sensor.
  43. Diekmann,Wilfried; Clausen,Christoph, Optical gas sensor.
  44. Lin, Jing-Yuan; Su, Shang-Chian, Optical gas sensor.
  45. Sun, Hong T.; Hsi, Peter C., Photo-ionization detector and method for continuous operation and real-time self-cleaning.
  46. Arno, Jose I., Photometrically modulated delivery of reagents.
  47. Arno, Jose I., Photometrically modulated delivery of reagents.
  48. Arno,Jose I., Photometrically modulated delivery of reagents.
  49. Ali, Syed Zeeshan; Udrea, Florin; Gardner, Julian; Hooper, Richard Henry; De Luca, Andrea; Chowdhury, Mohamed Foysol; Poenaru, Ilie, Plasmonic IR devices.
  50. Müller, Christoph; Götze, Michael; Graf, Markus, Seat assembly with temperature or humidity sensor.
  51. Amplatz, Kurt; Oslund, John C.; Russo, Patrick; Gu, Xiaoping, Stent/stent graft for reinforcement of vascular abnormalities and associated method.
  52. Arno, Jose I.; Despres, Joseph R.; Letaj, Shkelqim; Lurcott, Steven M.; Baum, Thomas H.; Zou, Peng, TPIR apparatus for monitoring tungsten hexafluoride processing to detect gas phase nucleation, and method and system utilizing same.
  53. Frigo, Giacomino, Variable geometry optical gas detector.
  54. Lessure, Harold S.; Simizu, Satoru; Kothari, Kirankumar M., Wide concentration range gas detection.
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