BE624813A - - Google Patents

Info

Publication number
BE624813A
BE624813A BE624813DA BE624813A BE 624813 A BE624813 A BE 624813A BE 624813D A BE624813D A BE 624813DA BE 624813 A BE624813 A BE 624813A
Authority
BE
Belgium
Application number
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.)
Publication of BE624813A publication Critical patent/BE624813A/xx

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

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)
BE624813D 1961-11-14 BE624813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL40463A DE1174086B (en) 1961-11-14 1961-11-14 Device for measuring and registering the atmospheric standard visibility

Publications (1)

Publication Number Publication Date
BE624813A true BE624813A (en)

Family

ID=7269054

Family Applications (1)

Application Number Title Priority Date Filing Date
BE624813D BE624813A (en) 1961-11-14

Country Status (4)

Country Link
BE (1) BE624813A (en)
DE (1) DE1174086B (en)
GB (1) GB1022462A (en)
NL (1) NL285477A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788745A (en) * 1971-02-16 1974-01-29 Eltro Gmbh Method for measuring range of vision
FR2478815A1 (en) * 1980-03-18 1981-09-25 Enertec METHOD AND APPARATUS FOR EVALUATING VISIBILITY
DE102008009006A1 (en) * 2008-02-13 2009-08-20 Ott Messtechnik Gmbh & Co. Kg Optical weather sensor for identification of particle spectrum and optical density for identification of rainfall and fog incidents, has laser as source for light beam and sensor for extinction measurement
CN104729998A (en) * 2015-02-27 2015-06-24 浙江省计量科学研究院 Atmosphere visibility measurement device based on optical cavity ring down spectroscopy technology

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247360A (en) * 1959-10-07 1960-12-02 Acec Visibility measurement method

Also Published As

Publication number Publication date
DE1174086B (en) 1964-07-16
GB1022462A (en) 1966-03-16
NL285477A (en)

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