FI860499A0 - Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. - Google Patents

Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.

Info

Publication number
FI860499A0
FI860499A0 FI860499A FI860499A FI860499A0 FI 860499 A0 FI860499 A0 FI 860499A0 FI 860499 A FI860499 A FI 860499A FI 860499 A FI860499 A FI 860499A FI 860499 A0 FI860499 A0 FI 860499A0
Authority
FI
Finland
Prior art keywords
foer
ljus
foerfarandet
transmission
tillaempning
Prior art date
Application number
FI860499A
Other languages
English (en)
Other versions
FI75669B (fi
FI860499A (fi
FI75669C (fi
Inventor
Heikki Saari
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
Publication of FI860499A0 publication Critical patent/FI860499A0/fi
Priority to FI860499A priority Critical patent/FI75669C/fi
Priority to AU68035/87A priority patent/AU591961B2/en
Priority to CA000528378A priority patent/CA1294148C/en
Priority to DE19873703180 priority patent/DE3703180A1/de
Priority to BR8700479A priority patent/BR8700479A/pt
Priority to JP62021920A priority patent/JPS62247230A/ja
Priority to GB8702388A priority patent/GB2186077B/en
Priority to SE8700407A priority patent/SE466717B/sv
Priority to IT8712414A priority patent/IT1208241B/it
Priority to US07/010,766 priority patent/US4794266A/en
Priority to FR878701356A priority patent/FR2593912B1/fr
Publication of FI860499A publication Critical patent/FI860499A/fi
Publication of FI75669B publication Critical patent/FI75669B/fi
Application granted granted Critical
Publication of FI75669C publication Critical patent/FI75669C/fi

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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • 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
    • G01N21/55—Specular reflectivity
    • G01N21/552—Attenuated total reflection
    • 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
    • G01N21/59—Transmissivity
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/94—Investigating contamination, e.g. dust
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/155—Monitoring cleanness of window, lens, or other parts
    • G01N2021/157—Monitoring by optical means

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
FI860499A 1986-02-04 1986-02-04 Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. FI75669C (fi)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI860499A FI75669C (fi) 1986-02-04 1986-02-04 Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.
AU68035/87A AU591961B2 (en) 1986-02-04 1987-01-27 Method and apparatus for light transmission measurement
CA000528378A CA1294148C (en) 1986-02-04 1987-01-28 Method for light transmission measurement and apparatus for the implementation of the method
GB8702388A GB2186077B (en) 1986-02-04 1987-02-03 Method and apparatus for measuring light transmission
BR8700479A BR8700479A (pt) 1986-02-04 1987-02-03 Processo para a medicao de transmissao de luz e aparelho para sua realizacao
JP62021920A JPS62247230A (ja) 1986-02-04 1987-02-03 光の透過測定法及び光の透過測定装置
DE19873703180 DE3703180A1 (de) 1986-02-04 1987-02-03 Verfahren und vorrichtung zur messung der lichttransmission
SE8700407A SE466717B (sv) 1986-02-04 1987-02-03 Saett att maeta ljustransmission
IT8712414A IT1208241B (it) 1986-02-04 1987-02-04 Metodo per la misurazione della trasmissione della luce ed apparecchio per l attuazione del metodo
US07/010,766 US4794266A (en) 1986-02-04 1987-02-04 Method and apparatus for light transmission measurement by sending light, measuring received light and computing transmittance
FR878701356A FR2593912B1 (fr) 1986-02-04 1987-02-04 Procede pour mesurer le facteur de transmission de la lumiere et appareil pour la mise en oeuvre de ce procede

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI860499 1986-02-04
FI860499A FI75669C (fi) 1986-02-04 1986-02-04 Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.

Publications (4)

Publication Number Publication Date
FI860499A0 true FI860499A0 (fi) 1986-02-04
FI860499A FI860499A (fi) 1987-08-05
FI75669B FI75669B (fi) 1988-03-31
FI75669C FI75669C (fi) 1988-07-11

Family

ID=8522084

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860499A FI75669C (fi) 1986-02-04 1986-02-04 Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.

Country Status (11)

Country Link
US (1) US4794266A (fi)
JP (1) JPS62247230A (fi)
AU (1) AU591961B2 (fi)
BR (1) BR8700479A (fi)
CA (1) CA1294148C (fi)
DE (1) DE3703180A1 (fi)
FI (1) FI75669C (fi)
FR (1) FR2593912B1 (fi)
GB (1) GB2186077B (fi)
IT (1) IT1208241B (fi)
SE (1) SE466717B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI75669C (fi) * 1986-02-04 1988-07-11 Vaisala Oy Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.
AU587927B2 (en) * 1987-02-10 1989-08-31 Shiley Incorporated Multichannel optical system
JPH0228541A (ja) * 1988-07-19 1990-01-30 Meidensha Corp 光式濃度検出装置
US4962746A (en) * 1988-11-23 1990-10-16 Ngk Spark Plug Co., Ltd. Mixing liquid ratio detector device
JPH02281132A (ja) * 1989-04-21 1990-11-16 Matsushita Electric Ind Co Ltd 汚れ検出器
DE59505713D1 (de) * 1995-05-31 1999-05-27 Jenoptik Jena Gmbh Vorrichtung und Verfahren zur Kompensation der Scheibenverschmutzung bei Sichtweitenmessgeräten
AU2003900377A0 (en) * 2003-01-30 2003-02-13 Commonwealth Scientific And Industrial Research Organisation Optical assembly
EP1596185B1 (en) * 2004-05-10 2006-12-27 C.R.F. Società Consortile per Azioni Visibility measuring system and method
FR2873073B1 (fr) * 2004-07-15 2007-12-07 Valeo Securite Habitacle Sas Systeme de commande pour vehicule
GB0515157D0 (en) * 2005-07-23 2005-08-31 Univ Belfast Light measurement method and apparatus
PL219266B1 (pl) * 2010-12-30 2015-04-30 Przemysłowy Inst Masz Rolniczych Sposób monitorowania oprysku agrotechnicznego polegający na wykrywaniu w atmosferze obecności substancji chemicznych w postaci wodnych aerozoli i układ do stosowania tego sposobu
WO2015095861A1 (en) 2013-12-20 2015-06-25 Zolo Technologies, Inc. Method and apparatus for monitoring port blockage for tdlas measurements in harsh environments
CN104198443B (zh) * 2014-09-02 2016-08-24 四川鼎林信息技术有限公司 能见度标校系统对产品机的标校方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308709A (en) * 1963-06-12 1967-03-14 Philips Corp Multiple reflection optical device
DE1247688B (de) * 1965-04-03 1967-08-17 Visomat Geraete G M B H Truebungsmesser, insbesondere Rauchdichtemesser
DE1755074B1 (de) * 1968-03-27 1970-09-10 Eltro Gmbh Anzeigevorrichtung fuer das Verschmutzen und Beschlagen von Fenstern
DE2135611C2 (de) * 1971-07-16 1975-02-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Modenkoppler für Peilsysteme
JPS4886584A (fi) * 1972-02-18 1973-11-15
DE2223230C3 (de) * 1972-05-12 1975-04-30 Eltro Gmbh Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg Verfahren zur Überwachung der Durchlässigkeit der Atmosphäre
NL7413683A (nl) * 1973-10-29 1975-05-02 Gerhard Karl Ruitvervuilingsdetectieinrichting.
JPS5220282B2 (fi) * 1973-12-13 1977-06-02
US3872315A (en) * 1973-12-21 1975-03-18 Babcock & Wilcox Co Radiation sensitive fluid analyzer
DE2420594A1 (de) * 1974-04-27 1975-11-06 Bernd Ing Grad Korndoerfer Vollautomatische scheibenwischersteuerung fuer kraftfahrzeuge
US4040749A (en) * 1975-02-05 1977-08-09 Monsanto Research Corporation Organic vapor detection with liquid crystals
US3976891A (en) * 1975-02-18 1976-08-24 Electra-Tronics, Inc. Photoelectric detector for smoke or the like
DE3206427A1 (de) * 1982-02-23 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Messeinrichtung fuer die optische gasanalyse
CA1201299A (en) * 1982-11-29 1986-03-04 Albert Brunsting Optical readhead
US4676638A (en) * 1983-03-31 1987-06-30 Kabushiki Kaisha Tokai Rika Denki Seisakusho Light-transmissible foreign object sensor
DE3344387A1 (de) * 1983-12-08 1985-06-20 Hoechst Ag, 6230 Frankfurt Photometerkopf fuer kleine messvolumina
FI75669C (fi) * 1986-02-04 1988-07-11 Vaisala Oy Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.

Also Published As

Publication number Publication date
FR2593912B1 (fr) 1992-01-03
AU591961B2 (en) 1989-12-21
GB2186077B (en) 1989-10-25
IT1208241B (it) 1989-06-12
SE466717B (sv) 1992-03-23
GB8702388D0 (en) 1987-03-11
US4794266A (en) 1988-12-27
BR8700479A (pt) 1987-12-08
DE3703180A1 (de) 1987-08-06
FI75669B (fi) 1988-03-31
CA1294148C (en) 1992-01-14
FR2593912A1 (fr) 1987-08-07
SE8700407D0 (sv) 1987-02-03
IT8712414A0 (it) 1987-02-04
FI860499A (fi) 1987-08-05
AU6803587A (en) 1987-08-06
SE8700407L (sv) 1987-08-05
GB2186077A (en) 1987-08-05
FI75669C (fi) 1988-07-11
JPS62247230A (ja) 1987-10-28

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: VAISALA OY

MA Patent expired