PT798552E - Detector de gases fotoacustico - Google Patents

Detector de gases fotoacustico

Info

Publication number
PT798552E
PT798552E PT97104373T PT97104373T PT798552E PT 798552 E PT798552 E PT 798552E PT 97104373 T PT97104373 T PT 97104373T PT 97104373 T PT97104373 T PT 97104373T PT 798552 E PT798552 E PT 798552E
Authority
PT
Portugal
Prior art keywords
microphone
gas
cell
fotoacustic
gas detector
Prior art date
Application number
PT97104373T
Other languages
English (en)
Inventor
Martin Forster
Rene Lenggenhager
Mourad Baraket
Mauro Feltre
Andreas Portmann
Georges Tenchio
Original Assignee
Siemens Building Tech 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
Application filed by Siemens Building Tech Ag filed Critical Siemens Building Tech Ag
Publication of PT798552E publication Critical patent/PT798552E/pt

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
    • G01N21/1702—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
PT97104373T 1996-03-25 1997-03-14 Detector de gases fotoacustico PT798552E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96104689A EP0801296A1 (de) 1996-03-25 1996-03-25 Photoakustischer Gassensor

Publications (1)

Publication Number Publication Date
PT798552E true PT798552E (pt) 2004-10-29

Family

ID=8222596

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97104373T PT798552E (pt) 1996-03-25 1997-03-14 Detector de gases fotoacustico

Country Status (7)

Country Link
US (1) US5841017A (pt)
EP (1) EP0801296A1 (pt)
AT (1) ATE268472T1 (pt)
CA (1) CA2200137A1 (pt)
DE (1) DE59711679D1 (pt)
ES (1) ES2222489T3 (pt)
PT (1) PT798552E (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO300078B1 (no) * 1995-02-10 1997-04-01 Sinvent As Fotoakustisk gassdetektor
ES2268716T3 (es) * 1997-01-25 2007-03-16 Siemens Schweiz Ag Detector optoacustico de gases.
DE10063151B4 (de) * 2000-12-18 2004-03-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Analyse der qualitativen und/oder quantitativen Zusammensetzung von Fluiden
US6662627B2 (en) 2001-06-22 2003-12-16 Desert Research Institute Photoacoustic instrument for measuring particles in a gas
US6651481B1 (en) 2001-10-12 2003-11-25 The United States Of America As Represented By The United States National Aeronautics And Space Administration Method and apparatus for characterizing pressure sensors using modulated light beam pressure
ATE396820T1 (de) * 2002-08-01 2008-06-15 Trumpf Werkzeugmaschinen Gmbh Laserbearbeitungsmaschine
US7228724B2 (en) * 2002-10-17 2007-06-12 Advanced Technology Materials, Inc. Apparatus and process for sensing target gas species in semiconductor processing systems
US20040163445A1 (en) * 2002-10-17 2004-08-26 Dimeo Frank Apparatus and process for sensing fluoro species in semiconductor processing systems
US7080545B2 (en) * 2002-10-17 2006-07-25 Advanced Technology Materials, Inc. Apparatus and process for sensing fluoro species in semiconductor processing systems
US7296458B2 (en) * 2002-10-17 2007-11-20 Advanced Technology Materials, Inc Nickel-coated free-standing silicon carbide structure for sensing fluoro or halogen species in semiconductor processing systems, and processes of making and using same
US7106445B2 (en) * 2003-08-06 2006-09-12 Mine Safety Appliances Company Photoacoustic gas sensor utilizing diffusion
WO2005072161A2 (en) * 2004-01-16 2005-08-11 Advanced Technology Materials, Inc. Apparatus and process for sensing target gas species in semiconductor processing systems
US20060211253A1 (en) * 2005-03-16 2006-09-21 Ing-Shin Chen Method and apparatus for monitoring plasma conditions in an etching plasma processing facility
DE102006048839B4 (de) * 2006-10-16 2010-01-07 Eads Deutschland Gmbh Photoakustische Gassensor-Vorrichtung mit mehreren Messzellen
US8939006B2 (en) * 2011-05-04 2015-01-27 Honeywell International Inc. Photoacoustic detector with long term drift compensation
US20130174645A1 (en) * 2012-01-06 2013-07-11 Martin Willett Photoacoustic method for oxygen sensing
CN102539331B (zh) * 2012-02-13 2014-12-10 上海交通大学 用于无创血糖检测的单腔光声池及检测方法
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
DE102015106373B4 (de) * 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
US11105738B2 (en) 2016-11-28 2021-08-31 Kyocera Corporation Sensor wiring substrate, sensor package, and sensor device
US10620165B2 (en) * 2016-12-29 2020-04-14 Infineon Technologies Ag Photoacoustic gas analyzer for determining species concentrations using intensity modulation
CN107505264B (zh) * 2017-08-18 2020-08-18 浙江中浩应用工程技术研究院有限公司 一种建筑内部气体传感器
US10551356B2 (en) * 2017-10-23 2020-02-04 Infineon Technologies Ag Photoacoustic gas sensor and method
AT520428B1 (de) * 2017-11-23 2019-04-15 Avl List Gmbh Verfahren und Vorrichtung zur Messung eines in einem Rohgas
DE102017128526B4 (de) * 2017-12-01 2019-06-19 Infineon Technologies Ag Photoakustischer Sensor, Verfahren zum Prüfen einer Gasdichtheit und System
DE102018112341B4 (de) 2018-05-23 2023-03-30 Infineon Technologies Ag Photoakustischer gassensor und verfahren zum betreiben eines photoakustischen gassensors
CN109900644B (zh) * 2019-04-11 2024-04-16 南京无书化工有限公司 一种少组分变压器油气在线监测装置和方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740086A (en) * 1984-02-07 1988-04-26 Oskar Oehler Apparatus for the photoacoustic detection of gases
DK247786D0 (da) * 1986-05-27 1986-05-27 Brueel & Kjaer As Fotoakustisk gasanalysator
DE3705900A1 (de) * 1987-02-24 1988-09-01 Siemens Ag Verfahren zur selbstueberwachung von messwertaufnehmern
JPH0621861B2 (ja) * 1987-09-28 1994-03-23 株式会社日立製作所 光音響分光装置
US5463893A (en) * 1994-05-16 1995-11-07 General Electric Company Sensor matching through real-time output compensation
US5402669A (en) * 1994-05-16 1995-04-04 General Electric Company Sensor matching through source modeling and output compensation

Also Published As

Publication number Publication date
EP0801296A1 (de) 1997-10-15
ATE268472T1 (de) 2004-06-15
US5841017A (en) 1998-11-24
DE59711679D1 (de) 2004-07-08
CA2200137A1 (en) 1997-09-25
ES2222489T3 (es) 2005-02-01

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