FR2346711B1 - - Google Patents
Info
- Publication number
- FR2346711B1 FR2346711B1 FR7709929A FR7709929A FR2346711B1 FR 2346711 B1 FR2346711 B1 FR 2346711B1 FR 7709929 A FR7709929 A FR 7709929A FR 7709929 A FR7709929 A FR 7709929A FR 2346711 B1 FR2346711 B1 FR 2346711B1
- Authority
- FR
- France
- 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
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
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
- G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
-
- 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
- G01N2021/317—Special constructive features
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2614181A DE2614181C3 (de) | 1976-04-02 | 1976-04-02 | Verfahren zur Messung des optischen Absorptionsvermögens von Proben und Vorrichtung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2346711A1 FR2346711A1 (fr) | 1977-10-28 |
| FR2346711B1 true FR2346711B1 (US20020095090A1-20020718-M00002.png) | 1981-02-06 |
Family
ID=5974230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7709929A Granted FR2346711A1 (fr) | 1976-04-02 | 1977-04-01 | Methode de mesure optique de l'absorption de milieux solides, liquides ou gazeux |
Country Status (5)
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200791A (en) * | 1978-10-11 | 1980-04-29 | Andros Incorporated | Gas analyzer and gas analyzing method |
| JPS58158377U (ja) * | 1982-04-19 | 1983-10-22 | 旭光学工業株式会社 | 光波距離計の切換シヤツタ− |
| US4420687A (en) * | 1982-10-28 | 1983-12-13 | Teledyne Ind | Non-dispersive infrared gas analyzer |
| DE3328171A1 (de) * | 1983-08-04 | 1985-02-14 | Leybold-Heraeus GmbH, 5000 Köln | Kuevette fuer gasanalysengeraete |
| US4560881A (en) * | 1984-03-13 | 1985-12-24 | Syntex (U.S.A.) Inc. | Method and apparatus for enhanced detection of electromagnetic signals |
| DE3504140A1 (de) * | 1985-02-07 | 1986-08-07 | Hartmann & Braun Ag, 6000 Frankfurt | Rotierende modulationseinrichtung |
| DE3604815A1 (de) * | 1986-02-15 | 1987-08-20 | Zeiss Carl Fa | Mikroskopphotometer |
| DE3638787A1 (de) * | 1986-11-13 | 1988-05-26 | Leybold Ag | Mehrkanaliges gasanalysegeraet mit mindestens zwei gaskuevetten und mit lichtquellen |
| US4954714A (en) * | 1988-09-26 | 1990-09-04 | Hsc Research Development Corporation | Apparatus for time-resolved photography of fluorescence |
| DE3940141A1 (de) * | 1989-12-05 | 1991-06-06 | Rosemount Gmbh & Co | Verfahren zur direkten, messtechnischen darstellung einer differenzmessgroesse in ihrer korrekten physikalischen einheit |
| DE4111187C2 (de) * | 1991-04-06 | 1994-11-24 | Lfe Lab Fuer Ind Forschung Gmb | Verfahren zur Messung des optischen Absorptionsvermögens von Proben unter Eliminierung des Anzeigefehlers hinsichtlich gas-physikalischer Eigenschaften und Vorrichtung zur Durchführung des Verfahrens |
| JP3078983B2 (ja) * | 1994-03-30 | 2000-08-21 | 株式会社堀場製作所 | 油分濃度計 |
| DE19547787C1 (de) * | 1995-12-20 | 1997-04-17 | Siemens Ag | Zweistrahl-Gasanalysator und Verfahren zu seiner Kalibrierung |
| DE19608907C1 (de) * | 1996-03-07 | 1997-04-03 | Siemens Ag | Nichtdispersiver Gasanalysator |
| AU8472698A (en) * | 1997-06-25 | 1999-01-04 | Waters Instruments, Inc. | Means and method for measuring absorption of radiation-scattering samples |
| DE102004028077A1 (de) * | 2004-06-09 | 2005-12-29 | Tyco Electronics Raychem Gmbh | Gassensoranordnung mit verkürzter Einschwingzeit |
| DE102005008042A1 (de) * | 2004-07-30 | 2006-03-23 | Abb Patent Gmbh | Einrichtung und Verfahren zur Kalibrierung der Empfindlichkeit eines Fotometers |
| US7609380B2 (en) * | 2005-11-14 | 2009-10-27 | Schlumberger Technology Corporation | Real-time calibration for downhole spectrometer |
| DE102006016855A1 (de) | 2006-04-07 | 2007-10-11 | Emerson Process Management Gmbh & Co. Ohg | Verfahren und Vorrichtung zur Messung der optischen Absorption von Proben |
| DE102009036114B3 (de) * | 2009-08-05 | 2010-09-02 | Dräger Safety AG & Co. KGaA | Infrarot-Optische Gasmesseinrichtung |
| WO2011031235A1 (en) * | 2009-09-14 | 2011-03-17 | Nitto Denko Corporation | A detection method |
| DE102009059962B4 (de) * | 2009-12-22 | 2011-09-01 | Siemens Aktiengesellschaft | NDIR-Zweistrahl-Gasanalysator und Verfahren zur Bestimmung der Konzentration einer Messgaskomponente in einem Gasgemisch mittels eines solchen Gasanalysators |
| WO2011154138A1 (de) * | 2010-06-11 | 2011-12-15 | Abb Ag | Reduzierung der schwingungsempfindlichkeit bei ndir-zweistrahlfotometern |
| DE102011080086B4 (de) * | 2011-07-29 | 2016-04-28 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas |
| DE102014111093A1 (de) * | 2014-08-05 | 2016-02-11 | Valeo Schalter Und Sensoren Gmbh | Sensorvorrichtung zum Bestimmen einer Konzentration eines Fluids, Fahrerassistenzsystem, Kraftfahrzeug sowie Verfahren |
| JP6345051B2 (ja) | 2014-09-10 | 2018-06-20 | キヤノン株式会社 | 画像形成装置 |
| AT521624B1 (de) * | 2019-01-17 | 2020-03-15 | Scan Messtechnik Gmbh | Vorrichtung und Verfahren zum Erfassen von Eigenschaften eines zu untersuchenden Fluids |
| DE102020101218A1 (de) * | 2020-01-20 | 2021-07-22 | UMS - Umwelt-, Membran- und Sensortechnik GmbH & Co. KG | Gassensor mit sporadisch betriebener Referenzlichtquelle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2679185A (en) * | 1952-08-01 | 1954-05-25 | Perkin Elmer Corp | Apparatus using monochromatic radiation of different wavelengths |
| US3131349A (en) * | 1954-02-23 | 1964-04-28 | Applied Physics Corp | Spectrophotometer pulse amplitude ratio measuring means with feedback amplifier for noise and drift compensation |
| DE1772389A1 (de) * | 1968-05-08 | 1971-04-22 | Bodenseewerk Perkin Elmer Co | Zweistrahlphotometer |
| US3825762A (en) * | 1972-08-08 | 1974-07-23 | J White | Apparatus for measuring luminescent radiation |
| US4008394A (en) * | 1973-06-28 | 1977-02-15 | Sensors, Inc. | Gas analyzing |
| US3808436A (en) * | 1973-06-28 | 1974-04-30 | Sensors Inc | Apparatus for gas analyses |
-
1976
- 1976-04-02 DE DE2614181A patent/DE2614181C3/de not_active Expired
-
1977
- 1977-02-23 IT IT20614/77A patent/IT1104569B/it active
- 1977-03-23 US US05/780,400 patent/US4101221A/en not_active Expired - Lifetime
- 1977-03-31 GB GB13702/77A patent/GB1566157A/en not_active Expired
- 1977-04-01 FR FR7709929A patent/FR2346711A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4101221A (en) | 1978-07-18 |
| DE2614181B2 (de) | 1980-11-20 |
| IT1104569B (it) | 1985-10-21 |
| FR2346711A1 (fr) | 1977-10-28 |
| DE2614181A1 (de) | 1977-10-20 |
| GB1566157A (en) | 1980-04-30 |
| DE2614181C3 (de) | 1981-08-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |