CH557028A - Optisches messgeraet, insbesondere zur rauchdichte- oder sichtweitemessung. - Google Patents

Optisches messgeraet, insbesondere zur rauchdichte- oder sichtweitemessung.

Info

Publication number
CH557028A
CH557028A CH1723773A CH1723773A CH557028A CH 557028 A CH557028 A CH 557028A CH 1723773 A CH1723773 A CH 1723773A CH 1723773 A CH1723773 A CH 1723773A CH 557028 A CH557028 A CH 557028A
Authority
CH
Switzerland
Prior art keywords
measuring device
optical measuring
smoke density
visibility measurement
visibility
Prior art date
Application number
CH1723773A
Other languages
English (en)
Original Assignee
Sick Erwin Fa
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 Sick Erwin Fa filed Critical Sick Erwin Fa
Publication of CH557028A publication Critical patent/CH557028A/de

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
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • 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

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CH1723773A 1973-01-23 1973-12-06 Optisches messgeraet, insbesondere zur rauchdichte- oder sichtweitemessung. CH557028A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2303040A DE2303040C3 (de) 1973-01-23 1973-01-23 Optisches Meßgerät, insbesondere zur Rauchdichte- oder Sichtweitemessung

Publications (1)

Publication Number Publication Date
CH557028A true CH557028A (de) 1974-12-13

Family

ID=5869652

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1723773A CH557028A (de) 1973-01-23 1973-12-06 Optisches messgeraet, insbesondere zur rauchdichte- oder sichtweitemessung.

Country Status (8)

Country Link
US (1) US3857641A (de)
JP (1) JPS5314938B2 (de)
CH (1) CH557028A (de)
DE (1) DE2303040C3 (de)
FR (1) FR2229322A5 (de)
GB (1) GB1406018A (de)
IT (1) IT1003318B (de)
SE (1) SE388940B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113711011A (zh) * 2019-03-28 2021-11-26 卡尔蔡司光谱学有限公司 测量光源以及用于检测反射光谱的测量设施

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL96179C (de) * 1975-02-28
DE2521934C3 (de) * 1975-05-16 1978-11-02 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Bestimmung der Konzentrationen von Komponenten eines Abgasgemisches
US3982130A (en) * 1975-10-10 1976-09-21 The United States Of America As Represented By The Secretary Of The Air Force Ultraviolet wavelength smoke detector
JPS5628530Y2 (de) * 1977-06-10 1981-07-07
SE414231B (sv) * 1977-11-18 1980-07-14 Asea Ab Siktmetare med minst en metstrecka
JPS5492789A (en) * 1977-12-29 1979-07-23 Fujitsu Ltd Gas analytical method by infrared ray
SE432029B (sv) * 1981-03-25 1984-03-12 Ericsson Telefon Ab L M Optisk branddetektor
JPS59500146A (ja) * 1982-02-01 1984-01-26 サザン・カリフオルニア・エデイソン・カンパニ− アポダイズされたビ−ムの利用方法及び手段
DE3309838C2 (de) * 1983-03-18 1986-06-05 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Transmissionsmeßgerät
GB8518941D0 (en) * 1985-07-26 1985-09-04 Shell Int Research Atmospheric mist/smoke detecting system
DE3627232C2 (de) * 1986-08-11 1995-11-16 Leybold Ag Fotometer
US6879284B2 (en) * 1999-06-26 2005-04-12 Otto Dufek Method and apparatus for identifying objects
WO2005115119A2 (en) * 2004-05-25 2005-12-08 Cowan, James, J. Surface relief structure
US9013700B2 (en) * 2011-02-21 2015-04-21 Uwm Research Foundation, Inc. Variable path length photon trapping spectrometer
CN108444917A (zh) * 2018-06-05 2018-08-24 深圳迎凯生物科技有限公司 自校准的弱光检测装置
CN109709078B (zh) * 2018-12-14 2021-07-06 中国科学院合肥物质科学研究院 基于单光子探测技术的透射式大气能见度测量装置及方法
CN118011319B (zh) * 2024-04-10 2024-06-07 四川大学 一种基于旋转相位差的光源定位系统及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325753A (en) * 1969-11-06 1973-08-08 Baxter Laboratories Inc Testing radiation absorption characteristics
US3790290A (en) * 1971-08-11 1974-02-05 Sick Optik Elektronik Erwin Single modulated light beam photometer
US3824020A (en) * 1971-11-19 1974-07-16 Eaton Corp Retroreflective fine position sensing means
US3761724A (en) * 1972-07-06 1973-09-25 Resalab Inc Double beam hydrocarbon gas detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113711011A (zh) * 2019-03-28 2021-11-26 卡尔蔡司光谱学有限公司 测量光源以及用于检测反射光谱的测量设施

Also Published As

Publication number Publication date
SE388940B (sv) 1976-10-18
DE2303040C3 (de) 1978-03-30
GB1406018A (en) 1975-09-10
US3857641A (en) 1974-12-31
FR2229322A5 (de) 1974-12-06
DE2303040B2 (de) 1977-08-04
JPS49106875A (de) 1974-10-09
JPS5314938B2 (de) 1978-05-20
IT1003318B (it) 1976-06-10
DE2303040A1 (de) 1974-07-25

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Legal Events

Date Code Title Description
PL Patent ceased