NO20022674L - Optoakustisk maleanordning og anvendelse av denne - Google Patents

Optoakustisk maleanordning og anvendelse av denne

Info

Publication number
NO20022674L
NO20022674L NO20022674A NO20022674A NO20022674L NO 20022674 L NO20022674 L NO 20022674L NO 20022674 A NO20022674 A NO 20022674A NO 20022674 A NO20022674 A NO 20022674A NO 20022674 L NO20022674 L NO 20022674L
Authority
NO
Norway
Prior art keywords
measuring
cell
alarm
microphones
measuring cell
Prior art date
Application number
NO20022674A
Other languages
English (en)
Other versions
NO20022674D0 (no
Inventor
Martin Forster
Peter Nebiker
Original Assignee
Siemens Ag
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
Priority claimed from EP00121937A external-priority patent/EP1195597A1/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NO20022674D0 publication Critical patent/NO20022674D0/no
Publication of NO20022674L publication Critical patent/NO20022674L/no

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
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases

Landscapes

  • Physics & Mathematics (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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Pens And Brushes (AREA)
  • Golf Clubs (AREA)
  • Confectionery (AREA)
NO20022674A 2000-10-09 2002-06-06 Optoakustisk maleanordning og anvendelse av denne NO20022674L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00121937A EP1195597A1 (de) 2000-10-09 2000-10-09 Optoakustische Messanordnung und Verwendung der Messanordnung
CH8962001 2001-05-15
PCT/CH2001/000588 WO2002031475A1 (de) 2000-10-09 2001-10-01 Optoakustische messanordnung und deren verwendung

Publications (2)

Publication Number Publication Date
NO20022674D0 NO20022674D0 (no) 2002-06-06
NO20022674L true NO20022674L (no) 2002-07-24

Family

ID=25738771

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20022674A NO20022674L (no) 2000-10-09 2002-06-06 Optoakustisk maleanordning og anvendelse av denne

Country Status (12)

Country Link
US (1) US7091869B2 (no)
EP (1) EP1325307B1 (no)
KR (1) KR100809130B1 (no)
CN (1) CN1250959C (no)
AT (1) ATE424554T1 (no)
AU (1) AU772018B2 (no)
CZ (1) CZ20021963A3 (no)
DE (1) DE50114746D1 (no)
HU (1) HUP0204193A2 (no)
NO (1) NO20022674L (no)
PL (1) PL354646A1 (no)
WO (1) WO2002031475A1 (no)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2461328A1 (en) * 2004-03-24 2005-09-24 Robert Anthony Crane A multiplexed type of spectrophone
US7797983B2 (en) * 2004-03-29 2010-09-21 Gasera Ltd. Method and system for detecting one or more gases or gas mixtures and/or for measuring the concentration of one or more gases or gas mixtures
EP1715324A1 (de) * 2005-04-18 2006-10-25 Siemens Schweiz AG Optoakustische Messanordnung für den Nachweis von Gasen und/oder Aerosolen
EP1883803B1 (en) * 2005-04-26 2012-06-13 Koninklijke Philips Electronics N.V. Low cost apparatus for detection of nitrogen-containing gas compounds
US7213444B2 (en) * 2005-05-16 2007-05-08 Carthago International Solutions, Inc. Optoacoustic gas sensor
DE102005030151B3 (de) * 2005-06-28 2006-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photoakustischer Freifelddetektor
KR100788795B1 (ko) * 2006-08-29 2007-12-27 김성호 광 음향 검출기를 이용한 이산화탄소 농도 측정장치
CN101506644B (zh) * 2006-08-31 2011-05-18 皇家飞利浦电子股份有限公司 具有可变光强调制器的光学腔增强性的光声示踪气体检测器
US7886576B2 (en) * 2006-11-06 2011-02-15 Mine Safety Appliances Company Photoacoustic gas sensor
US7782462B2 (en) 2006-11-27 2010-08-24 Applied Nanotech Holdings, Inc. Sono-photonic gas sensor
DE102007026073B4 (de) * 2007-05-25 2009-10-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bestimmung der Permeationsrate mindestens eines Permeaten, durch ein eine Diffusionssperre bildendes Element
US7493816B1 (en) 2007-09-28 2009-02-24 Honeywell International Inc. Smoke detectors
US8695402B2 (en) * 2010-06-03 2014-04-15 Honeywell International Inc. Integrated IR source and acoustic detector for photoacoustic gas sensor
US8746038B2 (en) * 2011-04-01 2014-06-10 Honeywell International Inc. Photoacoustic detector with acoustic and vibration noise compensation
US8945936B2 (en) 2011-04-06 2015-02-03 Fresenius Medical Care Holdings, Inc. Measuring chemical properties of a sample fluid in dialysis systems
US9086364B2 (en) * 2011-04-28 2015-07-21 Honeywell International Inc. Photoacoustic sensor with baseline and span correction
US8701465B2 (en) * 2011-04-28 2014-04-22 Honeywell International Inc. Photoacoustic sensor diffusion membrane attachment structure
EP2604998A1 (de) * 2011-12-12 2013-06-19 ABB Research Ltd. Vorrichtung zur Gasanalyse
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
EP2634756A3 (de) * 2013-06-10 2013-12-04 Siemens Aktiengesellschaft Tabakrauchmelder
FR3042866A1 (fr) * 2015-10-21 2017-04-28 Aerovia Dispositif de detection de gaz a tres forte sensibilite base sur un resonateur de helmholtz
US11143626B2 (en) * 2019-01-11 2021-10-12 Infineon Technologies Ag Photo-acoustic gas sensor with optimal reference path length
EP3550286B1 (en) * 2019-04-17 2021-01-27 Sensirion AG Photoacoustic gas sensor device
CN110879203B (zh) * 2019-12-09 2021-07-06 大连理工大学 一种高浓度甲烷背景中的微量乙烯气体测量系统及方法
CN113516824B (zh) * 2021-04-14 2023-05-12 汉威科技集团股份有限公司 一种复合型火灾探测器及其探测方法
CN114739913B (zh) * 2022-03-29 2022-10-28 安徽理工大学 一种基于双光声光谱的矿井粉尘实时检测系统及检测方法
US11662301B1 (en) 2022-03-29 2023-05-30 Anhui University of Science and Technology Mine dust real-time detection system based on double-photo acoustic spectrometry and detection method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1552069A (no) 1967-11-07 1969-01-03
US4058725A (en) * 1975-04-04 1977-11-15 Aine Harry E Infrared absorption spectrometer employing a dual optoacoustic detector
JPS595939A (ja) * 1982-07-03 1984-01-12 Horiba Ltd パ−テイキユレ−ト連続測定装置
US4688942A (en) * 1982-11-26 1987-08-25 The United State Of America As Represented By The Secretary Of The Navy Radial and azmuthal non-resonant open-tubular optoacoustic cell
JPS59145957A (ja) * 1983-01-08 1984-08-21 Horiba Ltd 光音響型濃度測定装置
US4740086A (en) * 1984-02-07 1988-04-26 Oskar Oehler Apparatus for the photoacoustic detection of gases
DK160590C (da) * 1988-09-12 1991-09-16 Fls Airloq As Fremgangsmaade til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi
DE4132110A1 (de) 1991-09-26 1993-04-01 Siemens Ag Kraftsensor
US5331845A (en) * 1993-01-19 1994-07-26 Orbishpere Laboratories Neuchatel Sa Probe and method for detecting alcohol
DE19637614A1 (de) 1996-09-16 1997-11-13 Bosch Gmbh Robert Kraftsensor
DE19653427A1 (de) 1996-12-20 1998-07-02 Siemens Ag Kraftsensor
US5933245A (en) * 1996-12-31 1999-08-03 Honeywell Inc. Photoacoustic device and process for multi-gas sensing
DE59712692D1 (de) * 1997-01-25 2006-08-24 Siemens Schweiz Ag Optoakustischer Gassensor
DE19826629A1 (de) 1998-06-17 1999-12-23 Hbm Mes Und Systemtechnik Gmbh Kraftmeßvorrichtung

Also Published As

Publication number Publication date
AU772018B2 (en) 2004-04-08
CZ20021963A3 (cs) 2002-11-13
PL354646A1 (en) 2004-02-09
KR100809130B1 (ko) 2008-02-29
CN1392952A (zh) 2003-01-22
ATE424554T1 (de) 2009-03-15
US7091869B2 (en) 2006-08-15
WO2002031475A1 (de) 2002-04-18
NO20022674D0 (no) 2002-06-06
EP1325307B1 (de) 2009-03-04
HUP0204193A2 (en) 2003-03-28
US20030112019A1 (en) 2003-06-19
CN1250959C (zh) 2006-04-12
KR20020071885A (ko) 2002-09-13
EP1325307A1 (de) 2003-07-09
DE50114746D1 (de) 2009-04-16
AU8946401A (en) 2002-04-22

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Representative=s name: ONSAGERS AS, POSTBOKS 6963 ST OLAVS PLASS, 0130 OS

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