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FR1103033A - Method and apparatus for measuring horizontal visibility - Google Patents

Method and apparatus for measuring horizontal visibility

Info

Publication number
FR1103033A
FR1103033A FR1103033DA FR1103033A FR 1103033 A FR1103033 A FR 1103033A FR 1103033D A FR1103033D A FR 1103033DA FR 1103033 A FR1103033 A FR 1103033A
Authority
FR
France
Prior art keywords
measuring horizontal
horizontal visibility
visibility
measuring
horizontal
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
French (fr)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR1103033A publication Critical patent/FR1103033A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G5/00Traffic control systems for aircraft
    • G08G5/20Arrangements for acquiring, generating, sharing or displaying traffic information
    • G08G5/22Arrangements for acquiring, generating, sharing or displaying traffic information located on the ground
    • 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
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G5/00Traffic control systems for aircraft
    • G08G5/50Navigation or guidance aids
    • G08G5/51Navigation or guidance aids for control when on the ground, e.g. taxiing or rolling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR1103033D 1954-04-12 1954-04-12 Method and apparatus for measuring horizontal visibility Expired FR1103033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103033T 1954-04-12

Publications (1)

Publication Number Publication Date
FR1103033A true FR1103033A (en) 1955-10-28

Family

ID=9621978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1103033D Expired FR1103033A (en) 1954-04-12 1954-04-12 Method and apparatus for measuring horizontal visibility

Country Status (1)

Country Link
FR (1) FR1103033A (en)

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