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Gas spectroscopy 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-021/17
출원번호 US-0363094 (1994-12-21)
발명자 / 주소
  • McCaul Bruce W.
  • Doggett David E.
출원인 / 주소
  • McCaul
  • Bruce W.
대리인 / 주소
    Skjerven, Morrill, MacPherson, Franklin & Friel LLPMacPherson
인용정보 피인용 횟수 : 22  인용 특허 : 77

초록 ▼

An absorption spectroscopy device for determining the concentration of a gas (such as oxygen) in a sample cell includes a neutral density absorber or a quarter wave plate. Laser radiation from a laser diode passes through the neutral density absorber or the quarter wave plate, then passes through th

대표청구항 ▼

[ We claim:] [1.] An absorption spectroscopy device, comprising:a laser diode emitting laser radiation;a quarter wave plate;a sample cell containing a volume of material to be analyzed; anda detector for measuring an absorption spectrum of said material to be analyzed, said laser radiation emitted f

이 특허에 인용된 특허 (77)

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  46. Sato Masaichi (Tokyo JPX) Imazeki Hideo (Tokyo JPX), Optical adder for optical attenuation.
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  47. Kemeny Gabor J. (Manhattan KS) Wetzel David L. (Manhattan KS), Optical analysis method and apparatus having programmable rapid random wavelength access.
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  50. Pellenbarg Robert E. (Silver Spring MD) Tevault David E. (Springfield VA), Organic vapor assay by Raman spectroscopy.
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  56. McCarthy Rex (Newbury Park CA) Smith Robert (Corona CA), Photoplethysmographics using energy-reducing waveform shaping.
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  59. Grisar Roland (Freiburg DEX) Riedel Wolfgang (Neuenburg DEX), Process and device for measuring isotope ratios.
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  66. Kato Takeshi (Kokubunji JPX) Mizuishi Kenichi (Hachioji JPX) Chiba Katuaki (Akigawa JPX) Nakao Takeshi (Sagamihara JPX) Ojima Masahiro (Tokyo JPX) Nakamura Shigeru (Tachikawa JPX) Maeda Takeshi (Koku, Semiconductor laser device.
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  72. Biefeld Robert M. (Albuquerque NM) Hebner Gregory A. (Albuquerque NM) Killeen Kevin P. (Albuquerque NM) Zuhoski Steven P. (Hopewell Junction NY), UV absorption control of thin film growth.
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  73. Luper, Charles R., Volume calibration syringe.
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  74. van der Meer Jelle (Amerongen NLX) Slaghuis Hans (Arnhem NLX), Water separator for a gas analyzer.
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  75. Frick Gene (Anaheim CA) McCarthy Rex (Whittier CA) Pawlowski Michael (Chino CA), Wave form filter pulse detector and method for modulated signal.
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  76. Thompson Richard B. (Baltimore MD) Villarruel Carl A. (Burke VA), Waveguide-binding sensor for use with assays.
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  77. Norlien John A. (St. Paul MN) Huhn James M. (Arden Hills MN) Crawford A. Gerrit (San Francisco CA), Zirconia cell O2 sensor for respiratory gas analysis.
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  1. Scherer, Helmut; Schrader, Dieter; Menninger, Stefan, Actuation and evaluation circuit, measuring device and method for measuring the concentration of a gas.
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  2. Knittel, Trevor S.; Zhu, Jie; Cowie, Alan I.; Wyatt, Donald L., Combustion gas analysis.
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  3. Tate, James D.; Mahoney, Louise A.; Darling, Vernon D., Control and optimization of process for making ethylene oxide.
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  4. Zhou, Xin; Liu, Xiang; Sanger, Gregory M., Detection of moisture in refrigerants.
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  5. Goto, Katsutoshi; Yamakage, Masahiro; Iwase, Tomoyasu; Okano, Tokio; Deguchi, Yoshihiro; Mizoguchi, Masanobu; Takita, Atushi; Fukuda, Norihiro, Exhaust gas analysis method and exhaust gas analysis apparatus.
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  6. Lewis, Charles A.; Landis, Robert M., High flow therapy device utilizing a non-sealing respiratory interface and related methods.
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  7. Lewis, Charles A.; Landis, Robert M., High flow therapy device utilizing a non-sealing respiratory interface and related methods.
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  8. Howell, Jim; Masterson, Bernard Patrick; Harris, Rod; Giltner, David; Jobson, Atilio; Estes, Michael John; Sappey, Andrew D., In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer.
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  9. Diekmann,Wilfried; Wulf,Lars, Measuring device.
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  10. Estes, Michael John; Sappey, Andrew D.; Hofvander, Henrik; Molitoris, Allen; Masterson, Bernard Patrick; Huang, Pei, Method and apparatus for monitoring combustion properties in an interior of a boiler.
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  11. Sappey, Andrew D.; Masterson, Bernard Patrick; Hofvander, Henrik, Method and apparatus for spectroscopic measurements in the combustion zone of a gas turbine engine.
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  12. Sappey,Andrew D.; Howell,James; Hofvander,Henrik; Masterson,Bernard Patrick, Method and apparatus for the monitoring and control of a process.
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  13. Sappey,Andrew D.; Howell,James; Hofvander,Henrik; Masterson,Bernard Patrick, Method and apparatus for the monitoring and control of a process.
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  14. Sappey,Andrew D; Howell,James; Hofvander,Henrick; Masterson,Bernard Patrick, Method and apparatus for the monitoring and control of combustion.
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  15. Sappey, Andrew D.; Howell, James; Hofvander, Henrik; Masterson, Bernard Patrick, Method for the monitoring and control of a process.
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  16. Masterson, Bernard Patrick; Howell, James; Hofvander, Henrik; Sappey, Andrew D., Mitigation of optical signal noise using a multimode transmit fiber.
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  17. Masterson, Bernard Patrick; Huelson, Eric C.; Smith, Ian S., Optical mode noise averaging device.
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  18. Hedges, Daniel E.; Holland, Mark J.; Rhodes, Scott S.; Klemisch, Jennifer D.; Pavia, Jessica C.; Henry, Thomas Michael; Anderson, Clay J.; McCaul, Bruce W.; Winsemius, Thomas Mac; Thorson, Eric K., Oxygen analysis system and method for measuring, monitoring and recording oxygen concentration in aircraft fuel tanks.
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  19. Seid,Arnold Steven, Oxygen sensing during a surgical procedure.
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  20. McCaul, Bruce W.; Winsemius, Thomas Mac, Oxygen sensor for tank safety.
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  21. Sandor, John L., Sample cell.
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  22. Sandor, John L., Sample cell for gas monitoring.
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