FR1103033A - Method and apparatus for measuring horizontal visibility - Google Patents
Method and apparatus for measuring horizontal visibilityInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/0017—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information
- G08G5/0026—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information located on the ground
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/06—Traffic control systems for aircraft, e.g. air-traffic control [ATC] for control when on the ground
- G08G5/065—Navigation or guidance aids, e.g. for taxiing or rolling
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) |
-
1954
- 1954-04-12 FR FR1103033D patent/FR1103033A/en not_active Expired
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