NO20004264L - Procedure for operation-compensated gas concentration measurement, as well as photoacoustic gas sensor - Google Patents
Procedure for operation-compensated gas concentration measurement, as well as photoacoustic gas sensorInfo
- Publication number
- NO20004264L NO20004264L NO20004264A NO20004264A NO20004264L NO 20004264 L NO20004264 L NO 20004264L NO 20004264 A NO20004264 A NO 20004264A NO 20004264 A NO20004264 A NO 20004264A NO 20004264 L NO20004264 L NO 20004264L
- Authority
- NO
- Norway
- Prior art keywords
- procedure
- well
- concentration measurement
- compensated
- photoacoustic
- Prior art date
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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20004264A NO327840B1 (en) | 1998-02-26 | 2000-08-25 | Procedure for operation-compensated gas concentration paint, as well as photoacoustic gas sensor |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7604598P | 1998-02-26 | 1998-02-26 | |
PCT/NO1999/000065 WO1999044040A1 (en) | 1998-02-26 | 1999-02-26 | A method for drift compensated measurement of gas concentration, and a photoacoustical gas sensor |
NO20004264A NO327840B1 (en) | 1998-02-26 | 2000-08-25 | Procedure for operation-compensated gas concentration paint, as well as photoacoustic gas sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20004264L true NO20004264L (en) | 2000-08-25 |
NO20004264D0 NO20004264D0 (en) | 2000-08-25 |
NO327840B1 NO327840B1 (en) | 2009-10-05 |
Family
ID=22129606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20004264A NO327840B1 (en) | 1998-02-26 | 2000-08-25 | Procedure for operation-compensated gas concentration paint, as well as photoacoustic gas sensor |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3279099A (en) |
NO (1) | NO327840B1 (en) |
WO (1) | WO1999044040A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002344910A1 (en) * | 2002-07-12 | 2004-02-02 | Abb Research Ltd | High-resolution absorption spectrometer and corresponding measuring method |
DE50212323D1 (en) * | 2002-08-01 | 2008-07-10 | Trumpf Werkzeugmaschinen Gmbh | Laser processing machine |
CN1950693B (en) * | 2004-03-29 | 2010-05-05 | 伽泽拉有限公司 | 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 |
DE102004034832B4 (en) * | 2004-07-19 | 2014-05-22 | Gerhart Schroff | Method and arrangement for gas analysis |
DE102017130988B4 (en) * | 2017-12-21 | 2022-07-07 | Infineon Technologies Ag | DEVICES AND METHODS FOR UTILIZING THE PHOTOACOUSTIC EFFECT |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0685728B1 (en) * | 1994-06-04 | 2002-12-11 | Orbisphere Laboratories Neuchatel Sa | Photoacoustic analyzer |
NO300346B1 (en) * | 1995-04-05 | 1997-05-12 | Sinvent As | Photo-acoustic measuring device |
US5933245A (en) * | 1996-12-31 | 1999-08-03 | Honeywell Inc. | Photoacoustic device and process for multi-gas sensing |
-
1999
- 1999-02-26 AU AU32790/99A patent/AU3279099A/en not_active Abandoned
- 1999-02-26 WO PCT/NO1999/000065 patent/WO1999044040A1/en active Application Filing
-
2000
- 2000-08-25 NO NO20004264A patent/NO327840B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO327840B1 (en) | 2009-10-05 |
AU3279099A (en) | 1999-09-15 |
NO20004264D0 (en) | 2000-08-25 |
WO1999044040A1 (en) | 1999-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |