DE4015623C2 - - Google Patents

Info

Publication number
DE4015623C2
DE4015623C2 DE4015623A DE4015623A DE4015623C2 DE 4015623 C2 DE4015623 C2 DE 4015623C2 DE 4015623 A DE4015623 A DE 4015623A DE 4015623 A DE4015623 A DE 4015623A DE 4015623 C2 DE4015623 C2 DE 4015623C2
Authority
DE
Germany
Prior art keywords
gas
modulation element
distribution
determined
foreign gas
Prior art date
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 - Fee Related
Application number
DE4015623A
Other languages
German (de)
English (en)
Other versions
DE4015623A1 (de
Inventor
Franz Dr. 8100 Garmisch-Partenkirchen De Slemr
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to DE4015623A priority Critical patent/DE4015623A1/de
Publication of DE4015623A1 publication Critical patent/DE4015623A1/de
Application granted granted Critical
Publication of DE4015623C2 publication Critical patent/DE4015623C2/de
Granted 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
    • G01N21/35—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
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
    • 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
    • G01N2021/1765—Method using an image detector and processing of image signal
    • 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
    • G01N2021/178—Methods for obtaining spatial resolution of the property being measured
    • 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
    • G01N2021/1793—Remote sensing
    • 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
    • G01N2021/3531—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 without instrumental source, i.e. radiometric

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE4015623A 1990-05-15 1990-05-15 Anordnung zur darstellung der verteilung von fremdgasen und verfahren hierfuer Granted DE4015623A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4015623A DE4015623A1 (de) 1990-05-15 1990-05-15 Anordnung zur darstellung der verteilung von fremdgasen und verfahren hierfuer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4015623A DE4015623A1 (de) 1990-05-15 1990-05-15 Anordnung zur darstellung der verteilung von fremdgasen und verfahren hierfuer

Publications (2)

Publication Number Publication Date
DE4015623A1 DE4015623A1 (de) 1991-11-21
DE4015623C2 true DE4015623C2 (https=) 1993-07-08

Family

ID=6406477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4015623A Granted DE4015623A1 (de) 1990-05-15 1990-05-15 Anordnung zur darstellung der verteilung von fremdgasen und verfahren hierfuer

Country Status (1)

Country Link
DE (1) DE4015623A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324118A1 (de) * 1993-07-19 1995-01-26 Kayser Threde Gmbh Verfahren und Vorrichtung zur Bestimmung der Emissionsrate mindestens einer Gaskomponente eines Gasgemischs

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324154A1 (de) * 1993-07-19 1995-02-02 Kayser Threde Gmbh Vorrichtung und Verfahren zur räumlich hochauflösenden Analyse mindestens einer Gaskomponente in einem Gasgemisch
DE19744164A1 (de) * 1997-10-07 1999-04-08 Zae Bayern Bildgebendes Verfahren zur Detektion von Gasverteilungen in Echtheit
FR2965916A1 (fr) * 2010-10-11 2012-04-13 Noveltis Procede permettant de detecter et de mesurer les emissions d'especes polluantes au voisinage de sites industriels et/ou agricoles et/ou strategiques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043908A (en) * 1959-09-08 1962-07-10 Aircraft Engineering And Maint Fluorographic system for aerial survey
US3723007A (en) * 1971-01-22 1973-03-27 Avco Corp Remote quantitative analysis of materials
FR2564200B1 (fr) * 1984-05-11 1986-10-03 Inst Francais Du Petrole Procede pour acquerir des images d'echantillons geologiques en vue de leur analyse optique et dispositif pour sa mise en oeuvre
FR2566532B1 (fr) * 1984-06-22 1986-09-12 Elf France Detecteur de gaz par interferometrie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324118A1 (de) * 1993-07-19 1995-01-26 Kayser Threde Gmbh Verfahren und Vorrichtung zur Bestimmung der Emissionsrate mindestens einer Gaskomponente eines Gasgemischs

Also Published As

Publication number Publication date
DE4015623A1 (de) 1991-11-21

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee