NO156306C - INFRAR FIBER OPTICAL GAS DETECTOR. - Google Patents

INFRAR FIBER OPTICAL GAS DETECTOR.

Info

Publication number: NO156306C
Authority: NO; Norway
Prior art keywords: infrar; gas detector; fiber optical; optical gas; fiber
Prior art date: 1984-07-19

Application number

NO842952A

Other languages

Norwegian (no)

Other versions

NO156306B (en

NO842952L (en

Inventor

Dag Thingb

Original Assignee

Elektrisk Bureau As

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.)

1984-07-19

Filing date

1984-07-19

Publication date

1987-09-02

1984-07-19 Application filed by Elektrisk Bureau As filed Critical Elektrisk Bureau As

1984-07-19 Priority to NO842952A priority Critical patent/NO156306C/en

1985-07-17 Priority to GB08517996A priority patent/GB2163251B/en

1986-01-20 Publication of NO842952L publication Critical patent/NO842952L/en

1987-05-18 Publication of NO156306B publication Critical patent/NO156306B/en

1987-09-02 Publication of NO156306C publication Critical patent/NO156306C/en

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
- 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
- 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
- G01J2003/1226—Interference filters
- G01J2003/1243—Pivoting IF or other position variation
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
- G01N2201/0621—Supply
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/126—Microprocessor processing

Landscapes

Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Glass Compositions (AREA)

NO842952A 1984-07-19 1984-07-19 INFRAR FIBER OPTICAL GAS DETECTOR. NO156306C (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
NO842952A NO156306C (en)	1984-07-19	1984-07-19	INFRAR FIBER OPTICAL GAS DETECTOR.
GB08517996A GB2163251B (en)	1984-07-19	1985-07-17	Infrared gas detector

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO842952A NO156306C (en)	1984-07-19	1984-07-19	INFRAR FIBER OPTICAL GAS DETECTOR.

Publications (3)

Publication Number	Publication Date
NO842952L NO842952L (en)	1986-01-20
NO156306B NO156306B (en)	1987-05-18
NO156306C true NO156306C (en)	1987-09-02

Family

ID=19887770

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO842952A NO156306C (en)	1984-07-19	1984-07-19	INFRAR FIBER OPTICAL GAS DETECTOR.

Country Status (2)

Country	Link
GB (1)	GB2163251B (en)
NO (1)	NO156306C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3804134A1 (en) *	1988-02-11	1989-08-24	Felten & Guilleaume Energie	Method and apparatus for measuring the concentration of a foreign gas in a gas mixture by using a Moiré filter
DE3813152A1 (en) *	1988-04-20	1989-11-02	Felten & Guilleaume Energie	DEVICE WITH AN OPTICAL GAS SENSOR FOR THE DENSITY MEASUREMENT AND MONITORING OF GASES
FI91021C (en) *	1988-11-04	1994-04-25	Instrumentarium Oy	Apparatus for identifying and measuring the concentration of gases and a method for identifying gases
IT1240329B (en) *	1990-03-20	1993-12-07	Tecsa	EQUIPMENT FOR DETECTION OF INFRARED LASER GAS AND OPTICAL FIBERS
GB9108978D0 (en) *	1991-04-26	1991-06-26	Siemens Plessey Controls Ltd	Improvements in or relating to optical gas detectors
EP0510856A3 (en) *	1991-04-26	1993-12-22	Siemens Plessey Controls Ltd	Improvements in or relating to optical gas detectors
GB9319001D0 (en) *	1993-09-14	1993-10-27	Europ Gas Turbines Ltd	Steam wetness probe
GB2290139A (en) *	1994-06-11	1995-12-13	Atomic Energy Authority Uk	Gas concentration measurement
FR2726084A1 (en) *	1994-10-20	1996-04-26	Eprest Electronique Profession	Light absorption gas detector for detection of inflammable and explosive gases in the workplace or home
DE19650302A1 (en) *	1996-12-04	1998-06-10	Ruhrgas Ag	Method and device for determining the gas quality of a gas mixture
EP1019702B1 (en)	1997-10-10	2003-01-29	Zellweger Analytics Limited	Optical gas detection
DE19900129C2 (en) *	1999-01-05	2001-09-13	Flow Comp Systemtechnik Gmbh	Gas quality determination
EP1103804B1 (en) *	1999-11-24	2005-08-31	Siemens Aktiengesellschaft	Method for detection of natural gas
CN101251482B (en) *	2008-03-28	2010-10-06	山东省科学院激光研究所	Mine Gas Remote Fiber Laser Detector
US10168276B1 (en)	2017-11-08	2019-01-01	Itron, Inc.	Identifying targeted gaseous chemical compound
CN114062294A (en) *	2021-07-28	2022-02-18	山东光安智能科技有限公司	Spectral absorption type optical fiber-based methane sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4281645A (en) *	1977-06-28	1981-08-04	Duke University, Inc.	Method and apparatus for monitoring metabolism in body organs
GB2008745A (en) *	1977-11-03	1979-06-06	Anacon Instr Ltd	Spectrophotometer
JPS6039536A (en) *	1983-08-12	1985-03-01	Hochiki Corp	Gas sensor

1984
- 1984-07-19 NO NO842952A patent/NO156306C/en unknown
1985
- 1985-07-17 GB GB08517996A patent/GB2163251B/en not_active Expired

Also Published As

Publication number	Publication date
NO156306B (en)	1987-05-18
NO842952L (en)	1986-01-20
GB2163251A (en)	1986-02-19
GB8517996D0 (en)	1985-08-21
GB2163251B (en)	1988-03-02

Publication	Publication Date	Title
FI852391A0 (en)	1985-06-14	CABLE AV OPTICAL FIBER.
DE3689864D1 (en)	1994-07-07	Optical fiber laser.
DE3483838D1 (en)	1991-02-07	FIBER OPTICAL CONNECTION ARRANGEMENT.
DE3889181D1 (en)	1994-05-26	Optical gas analyzer.
ES292078Y (en)	1987-04-01	OPTICAL FIBER CABLE.
FI852744A0 (en)	1985-07-11	FOER ANVAENDNING I ENGAONGSPRODUKTER AVSEDD ABSORPTIONSKROPP AV FIBER JAEMTE SAETT FOER FRAMSTAELLNING AV DENSAMMA.
DE3578474D1 (en)	1990-08-02	OPTICAL TURNTABLE.
FI842562A0 (en)	1984-06-26	FIBER OPTICAL REQUIREMENTS WITHOUT REFERENCE.
DE3580720D1 (en)	1991-01-10	OPTICAL DIGITALIZER.
FI852117L (en)	1985-11-30	SUBMARINA OPTICAL CABLE FOER FJAERRKOMMUNIKATION.
DE3586605D1 (en)	1992-10-15	FIBER OPTICAL COMPONENT.
FI854954A7 (en)	1986-10-02	Optical fiber formed from Mg0-Al2O3-Si02 glass.
NO156306C (en)	1987-09-02	INFRAR FIBER OPTICAL GAS DETECTOR.
DE3579530D1 (en)	1990-10-11	SPLICING OPTICAL FIBERS.
DE3679126D1 (en)	1991-06-13	FIBER OPTICAL SENSOR.
DE3579764D1 (en)	1990-10-25	OPTICAL SHIFT DETECTOR.
NO166147C (en)	1991-06-05	FIBER GYRO.
FI852000L (en)	1985-05-20	FIBER OPTICS.
NO895279L (en)	1990-06-29	OPTICAL FIBER.
NO851685L (en)	1985-10-28	OPTICAL FIBER CABLE.
NO851686L (en)	1985-10-28	OPTICAL FIBER.
DK227885D0 (en)	1985-05-22	OPTICAL FIBER
DE3485676D1 (en)	1992-05-27	FIBER OPTICAL COMPONENT.
DE3582644D1 (en)	1991-05-29	GAS DETECTOR.
NO862947L (en)	1987-01-26	OPTICAL FIBER CABLE.