SE439993B - Anordning for att meta sikten genom luft - Google Patents

Anordning for att meta sikten genom luft

Info

Publication number
SE439993B
SE439993B SE7908921A SE7908921A SE439993B SE 439993 B SE439993 B SE 439993B SE 7908921 A SE7908921 A SE 7908921A SE 7908921 A SE7908921 A SE 7908921A SE 439993 B SE439993 B SE 439993B
Authority
SE
Sweden
Prior art keywords
detector
light
light source
light beam
source
Prior art date
Application number
SE7908921A
Other languages
English (en)
Swedish (sv)
Other versions
SE7908921L (sv
Inventor
M C Roiret
A M Salles
Original Assignee
Snecma
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 Snecma filed Critical Snecma
Publication of SE7908921L publication Critical patent/SE7908921L/
Publication of SE439993B publication Critical patent/SE439993B/sv

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)
SE7908921A 1978-10-30 1979-10-29 Anordning for att meta sikten genom luft SE439993B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830728A FR2440550A1 (fr) 1978-10-30 1978-10-30 Dispositif de mesure de visibilite

Publications (2)

Publication Number Publication Date
SE7908921L SE7908921L (sv) 1980-05-01
SE439993B true SE439993B (sv) 1985-07-08

Family

ID=9214290

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908921A SE439993B (sv) 1978-10-30 1979-10-29 Anordning for att meta sikten genom luft

Country Status (6)

Country Link
US (1) US4311388A (it)
DE (1) DE2943827A1 (it)
FR (1) FR2440550A1 (it)
GB (1) GB2034884B (it)
IT (1) IT1124809B (it)
SE (1) SE439993B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724313A (en) * 1985-02-21 1988-02-09 The Boeing Company Dual resolution sensor for signal tracking and the like
FR2594557B1 (fr) * 1986-02-17 1988-06-10 Jaeger Dispositif de detection de substances etrangeres a travers une paroi et systeme d'aide a la conduite de vehicules ou d'aeronefs
EP0208610B1 (fr) * 1985-07-04 1990-11-22 Jaeger Dispositif de détection de substances étrangères à travers une paroi et système d'aide à la conduite de véhicules ou d'aéronefs
FR2632724B1 (fr) * 1988-06-14 1990-09-14 Univ Lille Flandres Artois Procede et dispositif de mesure de la visibilite a travers un milieu d'opacite variable
US6085152A (en) * 1997-09-19 2000-07-04 Cambridge Management Advanced Systems Corporation Apparatus and method for monitoring and reporting weather conditions
EA003433B1 (ru) * 2002-02-18 2003-04-24 Открытое Акционерное Общество "Пеленг" (Оао "Пеленг") Прибор для измерения метеорологической дальности видимости
CN100357726C (zh) * 2005-02-07 2007-12-26 北京交通大学 一种大气低能见度的测量方法和装置
CN103424379B (zh) * 2012-05-18 2015-12-16 中国科学院安徽光学精密机械研究所 大气能见度测量装置及其测量方法
CN106568716B (zh) * 2016-11-08 2019-01-15 中国气象局气象探测中心 测量消光式能见度仪及消光式能见度测量方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185975A (en) * 1962-06-18 1965-05-25 Honeywell Inc Photoelectric smoke detector
US3563661A (en) * 1969-08-29 1971-02-16 Battelle Development Corp Integrating nephelometer

Also Published As

Publication number Publication date
IT7926881A0 (it) 1979-10-29
FR2440550A1 (fr) 1980-05-30
GB2034884A (en) 1980-06-11
US4311388A (en) 1982-01-19
SE7908921L (sv) 1980-05-01
GB2034884B (en) 1983-05-05
IT1124809B (it) 1986-05-14
FR2440550B1 (it) 1981-12-11
DE2943827A1 (de) 1980-05-14

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