FR2196669A5 - - Google Patents

Info

Publication number
FR2196669A5
FR2196669A5 FR7329919A FR7329919A FR2196669A5 FR 2196669 A5 FR2196669 A5 FR 2196669A5 FR 7329919 A FR7329919 A FR 7329919A FR 7329919 A FR7329919 A FR 7329919A FR 2196669 A5 FR2196669 A5 FR 2196669A5
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7329919A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Old Carco LLC
Original Assignee
Chrysler Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chrysler Corp filed Critical Chrysler Corp
Application granted granted Critical
Publication of FR2196669A5 publication Critical patent/FR2196669A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1215—Correction signals for interfering gases
FR7329919A 1971-09-07 1973-08-16 Expired FR2196669A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17826071A 1971-09-07 1971-09-07
US28195872A 1972-08-18 1972-08-18

Publications (1)

Publication Number Publication Date
FR2196669A5 true FR2196669A5 (fr) 1974-03-15

Family

ID=26874148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329919A Expired FR2196669A5 (fr) 1971-09-07 1973-08-16

Country Status (5)

Country Link
US (2) US3790797A (fr)
CA (1) CA968179A (fr)
DE (2) DE2334964B2 (fr)
FR (1) FR2196669A5 (fr)
NL (1) NL161883C (fr)

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US4692621A (en) * 1985-10-11 1987-09-08 Andros Anlayzers Incorporated Digital anesthetic agent analyzer
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US4736103A (en) * 1986-03-07 1988-04-05 Westinghouse Electric Corp. Spectrometer test gas chamber
US4709150A (en) * 1986-03-18 1987-11-24 Burough Irvin G Method and apparatus for detecting gas
DE3623345A1 (de) * 1986-07-11 1988-01-21 Kernforschungsz Karlsruhe Verfahren zur selektiven messung der konzentrationen von ir- bis uv-strahlung absorbierenden gasfoermigen und/oder fluessigen komponenten in gasen und/oder fluessigen substanzen und vorrichtung zur durchfuehrung des verfahrens
DE3633916A1 (de) * 1986-10-04 1988-04-14 Kernforschungsz Karlsruhe Verfahren zur selektiven messung der konzentrationen von ir- bis uv-strahlung absorbierenden gasfoermigen und/oder fluessigen substanzen in gasen und/oder fluessigkeiten und vorrichtung zur durchfuehrung des verfahrens
US4907166A (en) * 1986-10-17 1990-03-06 Nellcor, Inc. Multichannel gas analyzer and method of use
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US4805623A (en) * 1987-09-04 1989-02-21 Vander Corporation Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment
US4958076A (en) * 1989-02-10 1990-09-18 Gas Research Institute Selective natural gas detecting apparatus
US5055690A (en) * 1989-02-10 1991-10-08 Gas Research Institute Method of eliminating water vapor interference in detecting gases
US4996431A (en) * 1989-02-10 1991-02-26 Gas Research Institute Selective gas detecting apparatus
US4963744A (en) * 1989-06-26 1990-10-16 Gas Research Institute Method and apparatus for providing accurate low noise demodulation
US5184017A (en) * 1989-09-12 1993-02-02 Sensors, Inc. Method and apparatus for detecting a component gas in a sample
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US5510269A (en) * 1992-11-20 1996-04-23 Sensors, Inc. Infrared method and apparatus for measuring gas concentration including electronic calibration
DE4320873A1 (de) * 1993-06-23 1995-01-05 Hekatron Gmbh Schaltungsanordnung für einen optischen Melder zur Umweltüberwachung und Anzeige eines Störmediums
DE4320861A1 (de) * 1993-06-23 1995-01-05 Hekatron Gmbh Schaltungsanordnung für einen optischen Melder zur Umweltüberwachung und Anzeige eines Störmediums
US5428558A (en) * 1993-12-17 1995-06-27 The Perkin-Elmer Corporation Correction of spectra for stray radiation
FI107194B (fi) * 1996-03-14 2001-06-15 Instrumentarium Oy Kaasuseosten analysointi infrapunamenetelmällä
US5925831A (en) 1997-10-18 1999-07-20 Cardiopulmonary Technologies, Inc. Respiratory air flow sensor
US6580507B2 (en) 2000-03-02 2003-06-17 Sd Acquisition Inc. Single source, single detector chip, multiple-longitudinal channel electromagnetic radiation absorbance and fluorescence monitoring system
US6831740B2 (en) 2000-05-26 2004-12-14 J.A. Woollam Co. Inc. Methodology for improving precision of data acquired by spectrophotometer systems
WO2002001190A2 (fr) * 2000-06-26 2002-01-03 Murray Thomson Procede et appareil permettant une commande amelioree de processus dans des applications relatives a la combustion
US6710873B2 (en) * 2000-11-17 2004-03-23 The Board Of Trustees Of The Leland Stanford Junior University Temperature-independent measurements of gas concentration
US6775001B2 (en) * 2002-02-28 2004-08-10 Lambda Control, Inc. Laser-based spectrometer for use with pulsed and unstable wavelength laser sources
JP2005292009A (ja) * 2004-04-01 2005-10-20 Denso Corp 赤外線式ガス検出器及び検出方法
DE102006016855A1 (de) * 2006-04-07 2007-10-11 Emerson Process Management Gmbh & Co. Ohg Verfahren und Vorrichtung zur Messung der optischen Absorption von Proben
TWI354180B (en) * 2007-06-15 2011-12-11 Delta Electronics Inc Light source system and display apparatus comprisi
US8379208B1 (en) * 2010-06-09 2013-02-19 Exelis, Inc. System and method for passive remote detection of gas plumes
JP5937956B2 (ja) * 2012-11-28 2016-06-22 株式会社堀場製作所 光学分析装置
FI20145030L (fi) 2014-01-15 2015-07-16 Sparklike Ab Oy Menetelmä ja laite kaasukomponentin havainnoimiseksi läpinäkyvän tilavuuden sisällä
CN104458638A (zh) * 2014-12-18 2015-03-25 武汉宇虹环保产业发展有限公司 一种红外光谱双路测量装置及方法
FR3077640B1 (fr) * 2018-02-05 2023-06-30 Elichens Procede d'analyse d'un gaz par une double illumination
US11204378B2 (en) * 2019-12-30 2021-12-21 Texas Instruments Incorporated Background suppression for MM-wave spectroscopy

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Also Published As

Publication number Publication date
NL161883C (nl) 1980-03-17
DE2365605A1 (de) 1975-12-04
NL161883B (nl) 1979-10-15
DE2365605C3 (de) 1979-05-03
DE2334964B2 (de) 1978-10-12
US3790797A (en) 1974-02-05
CA968179A (en) 1975-05-27
US3790798A (en) 1974-02-05
NL7304349A (fr) 1974-02-20
DE2365605B2 (de) 1978-08-31
DE2334964A1 (de) 1974-03-14

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