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 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL40463A DE1174086B (de) 1961-11-14 1961-11-14 Geraet zur Messung und Registrierung der atmosphaerischen Normsichtweite

Publications (1)

Publication Number Publication Date
BE624813A true BE624813A (fr)

Family

ID=7269054

Family Applications (1)

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

Country Status (4)

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

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 (fr) * 1980-03-18 1981-09-25 Enertec Procede et appareil d'evaluation de la visibilite
DE102008009006A1 (de) * 2008-02-13 2009-08-20 Ott Messtechnik Gmbh & Co. Kg Optischer Wettersensor
CN104729998A (zh) * 2015-02-27 2015-06-24 浙江省计量科学研究院 基于光腔衰荡光谱技术的大气能见度测量装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247360A (fr) * 1959-10-07 1960-12-02 Acec Procédé de mesure de la visibilité

Also Published As

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

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