GB1337041A - Atmospheric visibility measuring apparatus - Google Patents

Atmospheric visibility measuring apparatus

Info

Publication number
GB1337041A
GB1337041A GB1337041DA GB1337041A GB 1337041 A GB1337041 A GB 1337041A GB 1337041D A GB1337041D A GB 1337041DA GB 1337041 A GB1337041 A GB 1337041A
Authority
GB
United Kingdom
Prior art keywords
detector
source
intersection
mirrors
light
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
Other languages
English (en)
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.)
SECR DEFENCE
UK Secretary of State for Defence
Original Assignee
SECR DEFENCE
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 SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE
Publication of GB1337041A publication Critical patent/GB1337041A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/538Scattering, 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)
GB1337041D 1971-01-15 1971-01-15 Atmospheric visibility measuring apparatus Expired GB1337041A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1337041A true GB1337041A (en) 1973-11-14

Family

ID=9733526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1337041D Expired GB1337041A (en) 1971-01-15 1971-01-15 Atmospheric visibility measuring apparatus

Country Status (5)

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

Cited By (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

Cited By (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
CA949346A (en) 1974-06-18
FR2122250A5 (enExample) 1972-08-25
SE365873B (enExample) 1974-04-01
DE2201266A1 (de) 1972-10-05

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees