FI91564B - Giver - Google Patents

Giver

Info

Publication number
FI91564B
FI91564B FI915153A FI915153A FI91564B FI 91564 B FI91564 B FI 91564B FI 915153 A FI915153 A FI 915153A FI 915153 A FI915153 A FI 915153A FI 91564 B FI91564 B FI 91564B
Authority
FI
Finland
Prior art keywords
giver
Prior art date
Application number
FI915153A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI915153A (en
FI91564C (en
FI915153A0 (en
Inventor
Pentti Niemelae
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI915153A priority Critical patent/FI91564C/en
Publication of FI915153A0 publication Critical patent/FI915153A0/en
Priority to PCT/FI1992/000294 priority patent/WO1993009422A1/en
Publication of FI915153A publication Critical patent/FI915153A/en
Publication of FI91564B publication Critical patent/FI91564B/en
Application granted granted Critical
Publication of FI91564C publication Critical patent/FI91564C/en

Links

Classifications

    • 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
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference 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
    • 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
    • G01N2201/02—Mechanical
    • G01N2201/022—Casings
    • G01N2201/0221—Portable; cableless; compact; hand-held

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)
  • Spectrometry And Color Measurement (AREA)
FI915153A 1991-10-31 1991-10-31 Sensor FI91564C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI915153A FI91564C (en) 1991-10-31 1991-10-31 Sensor
PCT/FI1992/000294 WO1993009422A1 (en) 1991-10-31 1992-10-30 Sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915153A FI91564C (en) 1991-10-31 1991-10-31 Sensor
FI915153 1991-10-31

Publications (4)

Publication Number Publication Date
FI915153A0 FI915153A0 (en) 1991-10-31
FI915153A FI915153A (en) 1993-05-01
FI91564B true FI91564B (en) 1994-03-31
FI91564C FI91564C (en) 1994-07-11

Family

ID=8533404

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915153A FI91564C (en) 1991-10-31 1991-10-31 Sensor

Country Status (2)

Country Link
FI (1) FI91564C (en)
WO (1) WO1993009422A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96450C (en) * 1993-01-13 1996-06-25 Vaisala Oy Single-channel gas concentration measurement method and equipment
GB2286041B (en) * 1994-01-20 1998-04-08 Marconi Gec Ltd High resolution infrared spectroscope
US5825490A (en) * 1995-06-07 1998-10-20 Northrop Grumman Corporation Interferometer comprising translation assemblies for moving a first optical member relative to a second optical member
GB2314617B (en) * 1996-06-24 2000-08-23 Graviner Ltd Kidde High sensitivity gas detection
ES2155355B1 (en) * 1998-11-04 2001-12-01 Univ Madrid Carlos Iii SYSTEM FOR MEASURING THE CONCENTRATIONS OF CONTAMINANTS IN GASES OF ALL KINDS OF AUTOMOTIVE VEHICLES.
US6339493B1 (en) 1999-12-23 2002-01-15 Michael Scalora Apparatus and method for controlling optics propagation based on a transparent metal stack
US7362422B2 (en) 2003-11-10 2008-04-22 Baker Hughes Incorporated Method and apparatus for a downhole spectrometer based on electronically tunable optical filters
NO322368B1 (en) 2005-04-15 2006-09-25 Sinvent As Infrared gas detection - diffractive.
CN102735273B (en) * 2012-06-29 2014-11-05 中国科学院半导体研究所 Optical fiber sensor based on Fabry-Perot cavity
EP2770319B2 (en) 2013-02-25 2022-01-26 Sick Ag Gas measuring device
DE102015012429B4 (en) * 2015-09-25 2019-09-05 Drägerwerk AG & Co. KGaA Method for signal acquisition in a gas analysis system
US10466174B2 (en) * 2016-12-13 2019-11-05 Infineon Technologies Ag Gas analyzer including a radiation source comprising a black-body radiator with at least one through-hole and a collimator
JP6862216B2 (en) * 2017-02-28 2021-04-21 浜松ホトニクス株式会社 Photodetector
JP7388815B2 (en) 2018-10-31 2023-11-29 浜松ホトニクス株式会社 Spectroscopic unit and spectroscopic module
US11346773B2 (en) * 2020-04-22 2022-05-31 Kidde Technologies, Inc. Fabry-Perot spectrometer-based smoke detector
JP7114766B2 (en) * 2021-02-19 2022-08-08 浜松ホトニクス株式会社 Photodetector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640340C2 (en) * 1985-11-26 1994-10-20 Sharp Kk Variable interferometer arrangement
US4850709A (en) * 1986-03-04 1989-07-25 Canon Kabushiki Kaisha Fabri-perot spectroscopy method and apparatus utilizing the same
US4830451A (en) * 1986-03-05 1989-05-16 American Telephone And Telegraph Company Technique and apparatus for fabricating a fiber Fabry-Perot etalon
FR2639711B1 (en) * 1988-11-25 1992-12-31 Elf Aquitaine METHOD FOR THE SIMULTANEOUS DETECTION OF SEVERAL GASES IN A GAS MIXTURE, AND APPARATUS FOR CARRYING OUT SAID METHOD
US4998017A (en) * 1989-05-01 1991-03-05 Ryan Fredrick M Method and arrangement for measuring the optical absorptions of gaseous mixtures
US5039201A (en) * 1990-04-30 1991-08-13 International Business Machines Corporation Double-pass tunable fabry-perot optical filter

Also Published As

Publication number Publication date
FI915153A (en) 1993-05-01
FI91564C (en) 1994-07-11
WO1993009422A1 (en) 1993-05-13
FI915153A0 (en) 1991-10-31

Similar Documents

Publication Publication Date Title
DE59206583D1 (en) WINDSIGHTER
ATE137279T1 (en) HEADCASE
ATA131391A (en) REIBRING
FI91564B (en) Giver
BR9204511A (en) COLLECTOR-WINDER
DE59207013D1 (en) SPORTSHOE
ATA39792A (en) MAEHWERK
ATE163916T1 (en) ETHYL-6-FORMYLOXY-4-HEXENOATE
ATA67791A (en) ROLLSKI
ATA9892A (en) FORMSTEIN
BR9201945A (en) FILATORIO
KR920019109U (en) still
SE9102896D0 (en) INFOBOX / INFOBOX DESIGN
KR930002463U (en) Case
CA68725S (en) FURNITURE-GAME
ATA3092A (en) SCOPE
BR7102405U (en) CHUTEGOL
BR9101513A (en) SPHERE-MOVEL
BR7100738U (en) AEROFOLIO
BR7100920U (en) KIT-PIPOQUEIRA
BR7101338U (en) BULE-CHICARA
BR7101342U (en) HAMBURGUEIRA
BR7101581U (en) CALCOPRONTO
BR7102174U (en) REFRESQUETTE
BR7100443U (en) VIGIER

Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed