KR20070024724A - Ir-센서, 특히 co2 센서 - Google Patents
Ir-센서, 특히 co2 센서 Download PDFInfo
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- KR20070024724A KR20070024724A KR1020077000803A KR20077000803A KR20070024724A KR 20070024724 A KR20070024724 A KR 20070024724A KR 1020077000803 A KR1020077000803 A KR 1020077000803A KR 20077000803 A KR20077000803 A KR 20077000803A KR 20070024724 A KR20070024724 A KR 20070024724A
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- Prior art keywords
- filter
- sensor
- filters
- pass band
- detector
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- 230000005855 radiation Effects 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 12
- 238000011156 evaluation Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 23
- 238000005259 measurement Methods 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000000862 absorption spectrum Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
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- 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
-
- 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
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/36—Investigating two or more bands of a spectrum by separate detectors
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J2003/1213—Filters in general, e.g. dichroic, band
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- 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
- G01N2021/3166—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 using separate detectors and filters
-
- 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
-
- 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
Abstract
Description
Claims (10)
- 그 뒤에 검출기 배열이 배치된 필터 배열 및 상기 검출기 배열과 연결된 평가 장치를 구비하며, 상기 필터 배열은 제 1 필터 및 제 2 필터를 구비하고, 이 필터들은 대역통과 필터로서 형성되고 각각 통과대역을 구비하며, 상기 필터들 중 제 1 필터는 소정의 IR 대역을 통과시키나 제 2 필터는 그렇지 않고, 상기 검출기 배열은 2개의 검출기를 구비하며, 이 검출기들의 각각은 각각의 필터에 배정되는, IR 센서, 특히 CO2 센서에 있어서,한 필터(10)의 통과대역(F2)이 다른 필터(9)의 통과대역(F1)의 내부에 배치되며, 평가 장치(8)가 검출기들(14, 15)의 신호들(S1, S2)의 차이를 구하고 상기 차이를 검출기(14)의 신호(S1)에 정규화하는 것을 특징으로 하는 IR 센서.
- 제 1 항에 있어서,상기 제 1 필터(9)의 통과대역(F1)이 상기 제 2 필터(10)의 통과대역(F2)보다 큰 것을 특징으로 하는 IR 센서.
- 제 1 항 또는 제 2 항에 있어서,상기 양 필터(9, 10)가 공통의 임계파장(L)을 구비하는 것을 특징으로 하는 IR 센서.
- 제 3 항에 있어서,상기 양 필터(9, 10)가, 동일한 시작 파장(L)을 구비하는 것을 특징으로 하는 IR 센서.
- 제 3 항 또는 제 4 항에 있어서,상기 양 필터(9, 10)가 연속하는 필터요소들(11, 13; 12, 13)에 의해 형성되며, 이때 필터요소(13)가 양 필터(9, 10)에 대해 동일하며 임계파장(L)을 확정하는 것을 특징으로 하는 IR 센서.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 제 1 필터(9)가 상기 제 2 필터(10)의 통과대역(F2)보다 0.3 내지 0.7 ㎛ 만큼 더 큰 통과대역(F1)을 가지는 것을 특징으로 하는 IR 센서.
- 제 6 항에 있어서,상기 제 1 필터(9)가 3.6 에서 4.5 ㎛ 까지의 범위에서 통과대역을 가지고, 상기 제 2 필터(10)가 3.6 에서 4.0 ㎛ 까지의 범위에서 통과대역(F2)을 가지는 것을 특징으로 하는 IR 센서.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 IR 센서가 주변에서의 자연적인 IR 복사선(3)을 사용하는 것을 특징으로 하는 IR 센서.
- 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,상기 평가 장치(8)가 상기 차이를 제 1 검출기(14)의 신호(S1)에 정규화하는 것을 특징으로 하는 IR 센서.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,상기 필터들(9, 10)이 CaF2, 게르마늄 또는 규소를 구비하는 것을 특징으로 하는 IR 센서.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004028433A DE102004028433B4 (de) | 2004-06-14 | 2004-06-14 | IR-Sensor, insbesondere CO2-Sensor |
DE102004028433.4 | 2004-06-14 | ||
PCT/DK2005/000381 WO2005121751A1 (de) | 2004-06-14 | 2005-06-10 | Ir-sensor, insbesondere co2-sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070024724A true KR20070024724A (ko) | 2007-03-02 |
KR100887208B1 KR100887208B1 (ko) | 2009-03-06 |
Family
ID=34969745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077000803A KR100887208B1 (ko) | 2004-06-14 | 2005-06-10 | Ir-센서 |
Country Status (13)
Country | Link |
---|---|
US (1) | US7635845B2 (ko) |
EP (1) | EP1759187B1 (ko) |
JP (1) | JP4671241B2 (ko) |
KR (1) | KR100887208B1 (ko) |
CN (1) | CN100541174C (ko) |
AU (1) | AU2005252746B2 (ko) |
BR (1) | BRPI0512088A (ko) |
CA (1) | CA2569164C (ko) |
DE (1) | DE102004028433B4 (ko) |
MX (1) | MXPA06014559A (ko) |
RU (1) | RU2339020C1 (ko) |
WO (1) | WO2005121751A1 (ko) |
ZA (1) | ZA200609917B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101346439B1 (ko) * | 2009-04-17 | 2014-01-10 | 단포스 아이엑스에이 에이/에스 | 방출체의 온도를 측정하기 위해 대역통과 필터를 이용하는 가스 센서 |
KR20180064313A (ko) * | 2016-12-05 | 2018-06-14 | 식아게 | 변조 범위를 고정하는 방법 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008017521A1 (de) | 2008-04-04 | 2009-10-15 | Rheinmetall Landsysteme Gmbh | ABC-dichtes Fahrzeug mit CO2-Sensoren sowie Verfahren zur Innenraumluftgüteregelung |
WO2010118749A1 (en) * | 2009-04-17 | 2010-10-21 | Danfoss Ixa A/S | Gas sensor with filtering sight glass |
KR101385903B1 (ko) * | 2009-04-17 | 2014-04-15 | 단포스 아이엑스에이 에이/에스 | 대역 통과 필터를 이용하는 센서 |
KR101372989B1 (ko) * | 2009-12-09 | 2014-03-12 | 파나소닉 주식회사 | 적외선 불꽃 검출기 |
WO2011101525A1 (en) * | 2010-02-19 | 2011-08-25 | Vaisala Oyj | Method for calibration of a co2 concentration sensor and a measuring device |
JP5573340B2 (ja) * | 2010-05-07 | 2014-08-20 | 日本電気株式会社 | ガス検知装置およびガス検知方法 |
KR102371413B1 (ko) | 2014-06-19 | 2022-03-04 | 단포스 아이엑스에이 에이/에스 | 퍼지 가스 보호를 구비한 가스 센서용 프로브 |
CN106537117B (zh) | 2014-06-19 | 2019-09-10 | 丹佛斯Ixa有限公司 | 具有气体分离采样气流的气体传感器的探头 |
CN104359852A (zh) * | 2014-11-25 | 2015-02-18 | 云南无线电有限公司 | 一种co、co2、so2三组分红外集成气体传感器 |
EP3265782A1 (en) * | 2015-03-02 | 2018-01-10 | Flir Systems AB | Wavelength band based passive infrared gas imaging |
US11249016B2 (en) | 2015-03-02 | 2022-02-15 | Flir Systems Ab | Wavelength band based passive infrared gas imaging |
EP3265996A1 (en) * | 2015-03-02 | 2018-01-10 | Flir Systems AB | Quantifying gas in passive optical gas imaging |
PL3298365T3 (pl) * | 2015-05-22 | 2019-11-29 | Irnova Ab | Detektor obrazowania w podczerwieni |
GB2544040B (en) * | 2015-10-19 | 2018-03-14 | Ffe Ltd | Improvements in or relating to flame detectors and associated methods |
US10768101B2 (en) | 2016-05-09 | 2020-09-08 | Infrasolid Gmbh | Measuring device and method for sensing different gases and gas concentrations |
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US10760803B2 (en) | 2017-11-21 | 2020-09-01 | Emerson Climate Technologies, Inc. | Humidifier control systems and methods |
US11486593B2 (en) | 2018-04-20 | 2022-11-01 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
EP3781879A4 (en) | 2018-04-20 | 2022-01-19 | Emerson Climate Technologies, Inc. | SYSTEMS AND METHODS WITH VARIABLE ATTENUATION THRESHOLDS |
US11371726B2 (en) | 2018-04-20 | 2022-06-28 | Emerson Climate Technologies, Inc. | Particulate-matter-size-based fan control system |
US11226128B2 (en) | 2018-04-20 | 2022-01-18 | Emerson Climate Technologies, Inc. | Indoor air quality and occupant monitoring systems and methods |
WO2019204792A1 (en) | 2018-04-20 | 2019-10-24 | Emerson Climate Technologies, Inc. | Coordinated control of standalone and building indoor air quality devices and systems |
KR102026471B1 (ko) * | 2018-07-30 | 2019-09-27 | 한국수력원자력 주식회사 | 감마선 검출기 |
US11740179B2 (en) * | 2020-02-07 | 2023-08-29 | Lumileds Llc | Gas sensing system having quadric reflective surface |
US11566519B2 (en) | 2020-03-12 | 2023-01-31 | Saudi Arabian Oil Company | Laser-based monitoring tool |
BR202021012321U2 (pt) * | 2021-06-22 | 2023-01-03 | Jose Marcos Nabhan | Sensor de co2 para descontaminação da cabine de automóveis e emissão de alerta |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB930698A (en) * | 1961-03-16 | 1963-07-10 | Parsons & Co Sir Howard G | Improvements in and relating to apparatus for the analysis of substances by absorption of infra-red radiation |
FR1465853A (fr) * | 1965-02-24 | 1967-01-13 | Mine Safety Appliances Co | Procédé et dispositif pour l'analyse d'un fluide par absorption d'infra-rouge |
JPS61199657U (ko) * | 1985-06-04 | 1986-12-13 | ||
GB8515519D0 (en) * | 1985-06-19 | 1985-07-24 | Graviner Ltd | Gas detection |
US4785184A (en) * | 1986-05-27 | 1988-11-15 | Spectral Sciences, Inc. | Infrared trace element detection system |
FR2637379B1 (fr) * | 1988-09-30 | 1990-12-21 | Aerospatiale | Dispositif de fixation d'un organe optique tel qu'un filtre sur un support |
US5081998A (en) * | 1989-09-01 | 1992-01-21 | Critikon, Inc. | Optically stabilized infrared energy detector |
EP0489840A4 (en) * | 1989-09-01 | 1992-08-12 | Critikon, Inc. | Shutterless optically stabilized capnograph |
GB9008908D0 (en) | 1990-04-20 | 1990-06-20 | Emi Plc Thorn | Thermal detection arrangement |
US5612676A (en) | 1991-08-14 | 1997-03-18 | Meggitt Avionics, Inc. | Dual channel multi-spectrum infrared optical fire and explosion detection system |
EP0544962B1 (fr) * | 1991-12-04 | 1997-03-05 | Bertin & Cie | Procédé et dispositif de détection optique à distance d'un gaz présent dans une zone d'espace observée |
JPH0612949U (ja) * | 1991-12-30 | 1994-02-18 | 日新電機株式会社 | ガス濃度測定装置 |
US5800360A (en) * | 1992-02-11 | 1998-09-01 | Spectrum Medical Technologies, Inc. | Apparatus and method for respiratory monitoring |
DE4319567C2 (de) * | 1993-06-08 | 1997-12-18 | Hartmann & Braun Ag | Einrichtung zum fotometrischen Nachweis von Meßgaskomponenten |
FI95322C (fi) * | 1994-03-02 | 1996-01-10 | Instrumentarium Oy | Spektroskooppinen mittausanturi väliaineiden analysointiin |
JP3078983B2 (ja) * | 1994-03-30 | 2000-08-21 | 株式会社堀場製作所 | 油分濃度計 |
US5721430A (en) * | 1995-04-13 | 1998-02-24 | Engelhard Sensor Technologies Inc. | Passive and active infrared analysis gas sensors and applicable multichannel detector assembles |
JPH09251109A (ja) * | 1996-03-15 | 1997-09-22 | Omron Corp | 両面多層膜基板を含む光学装置及びその製造方法、センサ装置並びに両面多層膜基板 |
US5995008A (en) * | 1997-05-07 | 1999-11-30 | Detector Electronics Corporation | Fire detection method and apparatus using overlapping spectral bands |
KR100232166B1 (ko) * | 1997-12-29 | 1999-12-01 | 구자홍 | 이산화탄소 가스 검출기 |
DE19835335C1 (de) * | 1998-08-05 | 1999-11-25 | Draeger Sicherheitstech Gmbh | Infrarotoptischer Gassensor |
EP1151276A4 (en) | 1998-12-11 | 2003-07-23 | Envirotest Systems Inc | DEVICE FOR MEASURING THE OPACITY OF THE EMISSIONS OF THE ENGINE |
KR20000051474A (ko) * | 1999-01-22 | 2000-08-16 | 구자홍 | 광학형 가스 검출기 |
IL145413A (en) * | 1999-03-17 | 2005-11-20 | Univ Virginia | Passive remote sensor of chemicals |
JP2002005831A (ja) * | 2000-06-21 | 2002-01-09 | Horiba Ltd | 吸光分析装置 |
US6369716B1 (en) * | 2000-12-01 | 2002-04-09 | Johnson Controls Technology Company | System and method for controlling air quality in a room |
JP3471342B2 (ja) * | 2001-11-30 | 2003-12-02 | 国際技術開発株式会社 | 炎感知器 |
WO2003067227A1 (en) * | 2002-02-05 | 2003-08-14 | Detector Electronics Corporation | Method and apparatus for open-path gas detection |
CN1206524C (zh) * | 2002-03-14 | 2005-06-15 | 北京航空航天大学 | 无气泵式红外二氧化碳浓度分析方法及装置 |
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2004
- 2004-06-14 DE DE102004028433A patent/DE102004028433B4/de not_active Expired - Fee Related
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2005
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101346439B1 (ko) * | 2009-04-17 | 2014-01-10 | 단포스 아이엑스에이 에이/에스 | 방출체의 온도를 측정하기 위해 대역통과 필터를 이용하는 가스 센서 |
KR20180064313A (ko) * | 2016-12-05 | 2018-06-14 | 식아게 | 변조 범위를 고정하는 방법 |
Also Published As
Publication number | Publication date |
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ZA200609917B (en) | 2009-05-27 |
AU2005252746B2 (en) | 2010-08-05 |
KR100887208B1 (ko) | 2009-03-06 |
JP2008502883A (ja) | 2008-01-31 |
BRPI0512088A (pt) | 2008-02-06 |
JP4671241B2 (ja) | 2011-04-13 |
CA2569164A1 (en) | 2005-12-22 |
RU2339020C1 (ru) | 2008-11-20 |
EP1759187A1 (de) | 2007-03-07 |
EP1759187B1 (de) | 2015-03-04 |
US20080283753A1 (en) | 2008-11-20 |
AU2005252746A1 (en) | 2005-12-22 |
CN1969180A (zh) | 2007-05-23 |
CN100541174C (zh) | 2009-09-16 |
US7635845B2 (en) | 2009-12-22 |
DE102004028433A1 (de) | 2006-01-05 |
MXPA06014559A (es) | 2007-05-16 |
WO2005121751A1 (de) | 2005-12-22 |
CA2569164C (en) | 2011-08-23 |
DE102004028433B4 (de) | 2006-08-31 |
RU2007100222A (ru) | 2008-07-20 |
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