CA949346A - Atmospheric visibility measuring apparatus - Google Patents

Atmospheric visibility measuring apparatus

Info

Publication number
CA949346A
CA949346A CA132,148A CA132148A CA949346A CA 949346 A CA949346 A CA 949346A CA 132148 A CA132148 A CA 132148A CA 949346 A CA949346 A CA 949346A
Authority
CA
Canada
Prior art keywords
measuring apparatus
atmospheric visibility
visibility measuring
atmospheric
visibility
Prior art date
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.)
Expired
Application number
CA132,148A
Other languages
English (en)
Other versions
CA132148S (en
Inventor
Douglas A. Bateman
Donald E. Killick
Geoffrey J. Burrell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Application granted granted Critical
Publication of CA949346A publication Critical patent/CA949346A/en
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
    • G01N21/538—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)
CA132,148A 1971-01-15 1972-01-11 Atmospheric visibility measuring apparatus Expired CA949346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB209671 1971-01-15

Publications (1)

Publication Number Publication Date
CA949346A true CA949346A (en) 1974-06-18

Family

ID=9733526

Family Applications (1)

Application Number Title Priority Date Filing Date
CA132,148A Expired CA949346A (en) 1971-01-15 1972-01-11 Atmospheric visibility measuring apparatus

Country Status (5)

Country Link
CA (1) CA949346A (OSRAM)
DE (1) DE2201266A1 (OSRAM)
FR (1) FR2122250A5 (OSRAM)
GB (1) GB1337041A (OSRAM)
SE (1) SE365873B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109709076A (zh) * 2019-02-20 2019-05-03 中国气象局气象探测中心 一种前向散射能见度仪检测系统及方法

Also Published As

Publication number Publication date
SE365873B (OSRAM) 1974-04-01
DE2201266A1 (de) 1972-10-05
GB1337041A (en) 1973-11-14
FR2122250A5 (OSRAM) 1972-08-25

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