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TW271465B - - Google Patents

Info

Publication number
TW271465B
TW271465B TW084101144A TW84101144A TW271465B TW 271465 B TW271465 B TW 271465B TW 084101144 A TW084101144 A TW 084101144A TW 84101144 A TW84101144 A TW 84101144A TW 271465 B TW271465 B TW 271465B
Authority
TW
Taiwan
Application number
TW084101144A
Original Assignee
Santa Barbara Res Ct
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 Santa Barbara Res Ct filed Critical Santa Barbara Res Ct
Application granted granted Critical
Publication of TW271465B publication Critical patent/TW271465B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037—NOx
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
TW084101144A 1994-05-05 1995-02-09 TW271465B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/239,151 US5418366A (en) 1994-05-05 1994-05-05 IR-based nitric oxide sensor having water vapor compensation

Publications (1)

Publication Number Publication Date
TW271465B true TW271465B (zh) 1996-03-01

Family

ID=22900833

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084101144A TW271465B (zh) 1994-05-05 1995-02-09

Country Status (9)

Country Link
US (1) US5418366A (zh)
EP (1) EP0681179B1 (zh)
JP (1) JPH0843288A (zh)
KR (1) KR100206682B1 (zh)
AU (1) AU673786B2 (zh)
CA (1) CA2141004C (zh)
DE (1) DE69530636T2 (zh)
ES (1) ES2199229T3 (zh)
TW (1) TW271465B (zh)

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US6723989B1 (en) 1998-09-17 2004-04-20 Envirotest Systems Corporation Remote emissions sensing system and method with a composite beam of IR and UV radiation that is not split for detection
ATE344924T1 (de) 1998-09-17 2006-11-15 Envirotest Systems Corp Emissions-fern-detektorsystem mit verbessertem nachweis von nox
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US6545278B1 (en) 1999-04-23 2003-04-08 Delphian Corporation Gas discriminating gas detector system and method
US6208256B1 (en) * 1999-10-26 2001-03-27 Raymond Fleming Automobile carbon monoxide detection and control device
BR0016805A (pt) * 1999-12-29 2002-09-10 Environmental Syst Prod Sistema para detectar componentes da exaustão de um veìculo em movimento, e, processo para detectar gases na exaustão de um veìculo em movimento
GB0015015D0 (en) * 2000-06-19 2000-08-09 Sira Electro Optics Ltd Apparatus and method for analysing the constituents of a gas or a gas like cloud or plume
US6781110B2 (en) * 2000-12-29 2004-08-24 Spx Corporation Apparatus and method for measuring vehicle speed and/or acceleration
US6750444B2 (en) 2000-12-29 2004-06-15 Spx Corporation Apparatus and method for measuring vehicle speed and/or acceleration
US6561027B2 (en) 2000-12-29 2003-05-13 Spx Corporation Support structure for system for measuring vehicle speed and/or acceleration
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JP3834224B2 (ja) * 2001-06-28 2006-10-18 株式会社アドバンテスト 化学物質検出方法及び装置
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US6857262B2 (en) 2001-08-16 2005-02-22 Spx Corporation Catalytic converter function detection
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US6744516B2 (en) 2001-08-21 2004-06-01 Spx Corporation Optical path structure for open path emissions sensing
US6757607B2 (en) 2001-08-23 2004-06-29 Spx Corporation Audit vehicle and audit method for remote emissions sensing
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US6985083B2 (en) 2002-04-24 2006-01-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Marking electrical wiring with condition indicators
US7399639B2 (en) * 2003-05-04 2008-07-15 Massachusetts Institute Of Technology Sensors, and methods of making and using the same
US7291503B2 (en) * 2003-05-21 2007-11-06 Massachusetts Institute Of Technology Reversible resistivity-based sensors
US7624666B1 (en) * 2003-07-08 2009-12-01 Raytheon Company Obscuration method for reducing the infrared signature of an object
US7615377B2 (en) * 2003-09-05 2009-11-10 Massachusetts Institute Of Technology Fluorescein-based metal sensors
US7132657B2 (en) * 2004-02-09 2006-11-07 Sensor Electronics Corporation Infrared gas detector
KR20060129450A (ko) * 2004-02-09 2006-12-15 인바이런멘탈 시스템즈 프로덕츠 홀딩스 인크. 온도 및 압력 보상에 의한 원격 방출 감지
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
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JP4199766B2 (ja) * 2005-12-16 2008-12-17 トヨタ自動車株式会社 排ガス分析方法および排ガス分析装置
US20070149109A1 (en) * 2005-12-23 2007-06-28 Yuandong Gu Occupancy based ventilation system
US7400398B2 (en) * 2006-05-09 2008-07-15 Environmental Systems Products Holdings Inc. Remote emissions sensing system and method incorporating spectral matching by data interpolation
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US8253942B2 (en) * 2007-09-27 2012-08-28 Scott Technologies, Inc. Optical gas detector
US8347701B2 (en) 2008-05-02 2013-01-08 Envirotest Systems Holdings Corp. System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles
US7930931B2 (en) * 2008-05-02 2011-04-26 Environmental Systems Products Holdings Inc. System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles
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US8852950B2 (en) * 2008-09-03 2014-10-07 Testo Ag Method and device for measuring NOx concentration using measurements of NOx and a second gas component
US8264689B1 (en) * 2008-12-22 2012-09-11 ISC8 Inc. Micro gas cell array device and method
US8447528B2 (en) * 2009-12-21 2013-05-21 Envirotest Systems Holdings Corp. Remote vehicle emissions sensing system and method for differentiating water from hydrocarbons
DE102010045643B4 (de) * 2010-09-17 2013-04-11 Continental Automotive Gmbh Sensor
DE102010045644B4 (de) * 2010-09-17 2012-08-09 Continental Automotive Gmbh Sensor
DE102010045646B4 (de) * 2010-09-17 2012-08-09 Continental Automotive Gmbh Sensorsystem
DE102010045645B4 (de) * 2010-09-17 2012-08-09 Continental Automotive Gmbh Sensor
US9234839B2 (en) * 2012-11-13 2016-01-12 Viavi Solutions Inc. Portable spectrometer
US9885655B2 (en) 2012-11-13 2018-02-06 Viavi Solutions Inc. Spectrometer with a relay lightpipe
CN103604750A (zh) * 2013-11-25 2014-02-26 无锡俊达测试技术服务有限公司 一种红外汽车尾气检测报警装置
CN103712929B (zh) * 2013-12-23 2017-01-11 南京新远见智能科技有限公司 一种机动车尾气监测系统
CN103868877B (zh) * 2014-03-14 2016-04-20 刘永平 一种红外气体传感器及检测方法
GB2532480B (en) 2014-11-20 2019-06-05 Veoneer Sweden Ab A breath analyser device
KR102176295B1 (ko) * 2019-10-24 2020-11-09 주식회사 자스텍 속도 감응형 매연원격측정 데이터 통신 처리기술을 구비한 원격측정기
KR102293020B1 (ko) * 2020-06-29 2021-08-24 (주)켄텍 매연 교정수단을 구비한 운행 중인 차량의 배기가스 실시간 측정 장치
KR102308454B1 (ko) * 2020-06-29 2021-10-05 (주)켄텍 교정 장치를 구비한 운행 중인 차량의 배기가스 실시간 측정 장치
WO2022071066A1 (ja) * 2020-10-02 2022-04-07 株式会社堀場製作所 排ガス分析装置、排ガス分析方法及び排ガス分析装置用プログラム記憶媒体
US20230053446A1 (en) * 2021-08-19 2023-02-23 Rosemount Inc. Active bi-directional open path gas detection system
GB2615600A (en) * 2022-02-15 2023-08-16 Gas Sensing Solutions Ltd Gas sensor reference
CN115656087B (zh) * 2022-11-09 2023-08-22 浙江浙大鸣泉科技有限公司 一种具有检测气体间浓度补偿方法的八通道ndir光学平台
KR102616114B1 (ko) * 2022-12-14 2023-12-20 주식회사 다산에스엠 자동차 배기가스에 포함된 no 가스 검출기

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Also Published As

Publication number Publication date
EP0681179B1 (en) 2003-05-07
DE69530636T2 (de) 2004-03-25
AU1162095A (en) 1995-11-16
AU673786B2 (en) 1996-11-21
ES2199229T3 (es) 2004-02-16
JPH0843288A (ja) 1996-02-16
CA2141004C (en) 2000-12-05
CA2141004A1 (en) 1995-11-06
KR950033475A (ko) 1995-12-26
US5418366A (en) 1995-05-23
DE69530636D1 (de) 2003-06-12
EP0681179A1 (en) 1995-11-08
KR100206682B1 (ko) 1999-09-01

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