JPS49106875A - - Google Patents

Info

Publication number
JPS49106875A
JPS49106875A JP49008442A JP844274A JPS49106875A JP S49106875 A JPS49106875 A JP S49106875A JP 49008442 A JP49008442 A JP 49008442A JP 844274 A JP844274 A JP 844274A JP S49106875 A JPS49106875 A JP S49106875A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP49008442A
Other versions
JPS5314938B2 (ja
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 filed Critical
Publication of JPS49106875A publication Critical patent/JPS49106875A/ja
Publication of JPS5314938B2 publication Critical patent/JPS5314938B2/ja
Expired legal-status Critical Current

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)
JP844274A 1973-01-23 1974-01-18 Expired JPS5314938B2 (ja)

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 (2)

Publication Number Publication Date
JPS49106875A true JPS49106875A (ja) 1974-10-09
JPS5314938B2 JPS5314938B2 (ja) 1978-05-20

Family

ID=5869652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP844274A Expired JPS5314938B2 (ja) 1973-01-23 1974-01-18

Country Status (8)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141681A (en) * 1975-05-16 1976-12-06 Eruuin Shitsuku Gmbh Oputeikuu Method of and instrument for optically measuring concentration of gaseous component
JPS543189U (ja) * 1977-06-10 1979-01-10
JPS5492789A (en) * 1977-12-29 1979-07-23 Fujitsu Ltd Gas analytical method by infrared ray

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL96179C (ja) * 1975-02-28
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
SE414231B (sv) * 1977-11-18 1980-07-14 Asea Ab Siktmetare med minst en metstrecka
SE432029B (sv) * 1981-03-25 1984-03-12 Ericsson Telefon Ab L M Optisk branddetektor
DE3377295D1 (en) * 1982-02-01 1988-08-11 Southern California Edison Co Methods and means for utilizing apodized beams
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
EP1800190A4 (en) * 2004-05-25 2009-09-23 Cowan James SURFACE RELIEF STRUCTURE
US9013700B2 (en) * 2011-02-21 2015-04-21 Uwm Research Foundation, Inc. Variable path length photon trapping spectrometer
CN108444917B (zh) * 2018-06-05 2024-07-26 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
DE102019107963B4 (de) * 2019-03-28 2022-02-03 Carl Zeiss Spectroscopy Gmbh Messlichtquelle sowie Messanordnung zum Erfassen eines Reflexionsspektrums
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

Citations (1)

* 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH549206A (de) * 1971-08-11 1974-05-15 Sick Erwin 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

Patent Citations (1)

* 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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141681A (en) * 1975-05-16 1976-12-06 Eruuin Shitsuku Gmbh Oputeikuu Method of and instrument for optically measuring concentration of gaseous component
JPS6214769B2 (ja) * 1975-05-16 1987-04-03 Erubin Jitsuku Oputeiku Erekutoroniku
JPS543189U (ja) * 1977-06-10 1979-01-10
JPS5628530Y2 (ja) * 1977-06-10 1981-07-07
JPS5492789A (en) * 1977-12-29 1979-07-23 Fujitsu Ltd Gas analytical method by infrared ray

Also Published As

Publication number Publication date
IT1003318B (it) 1976-06-10
SE388940B (sv) 1976-10-18
DE2303040C3 (de) 1978-03-30
FR2229322A5 (ja) 1974-12-06
JPS5314938B2 (ja) 1978-05-20
CH557028A (de) 1974-12-13
DE2303040B2 (de) 1977-08-04
GB1406018A (en) 1975-09-10
US3857641A (en) 1974-12-31
DE2303040A1 (de) 1974-07-25

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