CH454485A - Installation de mesure de la distance limite de visibilité dans le brouillard - Google Patents

Installation de mesure de la distance limite de visibilité dans le brouillard

Info

Publication number
CH454485A
CH454485A CH1413565A CH1413565A CH454485A CH 454485 A CH454485 A CH 454485A CH 1413565 A CH1413565 A CH 1413565A CH 1413565 A CH1413565 A CH 1413565A CH 454485 A CH454485 A CH 454485A
Authority
CH
Switzerland
Prior art keywords
fog
installation
measuring
limit distance
visibility limit
Prior art date
Application number
CH1413565A
Other languages
English (en)
Inventor
Paul Rouet
Original Assignee
Acec
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 Acec filed Critical Acec
Publication of CH454485A publication Critical patent/CH454485A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/18—Visual or acoustic landing aids
    • B64F1/20—Arrangement of optical beacons
    • 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
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Immunology (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)
  • Acoustics & Sound (AREA)
  • Pathology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Eye Examination Apparatus (AREA)
CH1413565A 1964-10-14 1965-10-13 Installation de mesure de la distance limite de visibilité dans le brouillard CH454485A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
BE654344A BE654344A (fr) 1964-10-14 1964-10-14 Installation de mesure de la distance limite de visibilité dans le brouillard
BE662165A BE662165A (fr) 1964-10-14 1965-04-07 Installation de mesure de la distance limite de visibilité dans le brouillard
BE691170 1966-12-14
BE37181 1966-12-14
BE49331 1967-10-09

Publications (1)

Publication Number Publication Date
CH454485A true CH454485A (fr) 1968-04-15

Family

ID=74493079

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1413565A CH454485A (fr) 1964-10-14 1965-10-13 Installation de mesure de la distance limite de visibilité dans le brouillard
CH1754167A CH488199A (fr) 1964-10-14 1967-12-14 Installation de mesure de la distance limite de visibilité dans le brouillard

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1754167A CH488199A (fr) 1964-10-14 1967-12-14 Installation de mesure de la distance limite de visibilité dans le brouillard

Country Status (10)

Country Link
US (2) US3501239A (fr)
BE (4) BE654344A (fr)
CA (2) CA780626A (fr)
CH (2) CH454485A (fr)
DE (1) DE1531481A1 (fr)
FR (2) FR1459336A (fr)
GB (2) GB1118348A (fr)
LU (2) LU49597A1 (fr)
NL (2) NL6513291A (fr)
SE (2) SE323232B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010357A (en) * 1975-12-08 1977-03-01 The United States Of America As Represented By The Secretary Of The Department Of Transportation Analog visibility computer
SE404848B (sv) * 1976-11-03 1978-10-30 Asea Ab Anordning for siktmetning
DE3175296D1 (en) * 1980-07-17 1986-10-16 Paul Rouet Installation for measuring the maximum visual distance in the fog
US4614429A (en) * 1984-05-14 1986-09-30 The United States Of America As Represented By The Secretary Of The Air Force Atmospheric contrast transmittance monitor
RU2151411C1 (ru) * 1998-03-30 2000-06-20 Институт солнечно-земной физики СО РАН Устройство для определения атмосферной дисперсии
JP5618346B2 (ja) * 2010-01-26 2014-11-05 ローム株式会社 携帯電話機
CN102175613B (zh) 2011-01-26 2012-11-14 南京大学 基于图像亮度特征的ptz视频能见度检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126521A (en) * 1964-03-24 Visibility measurement
US2648723A (en) * 1948-12-30 1953-08-11 Rca Corp Inspection system
DE1128301B (de) * 1960-07-13 1962-04-19 Fritz Herzog Verfahren und Vorrichtung zur Bestimmung der Sichtweite auf Landebahnen
DE1241639B (de) * 1964-07-18 1967-06-01 Impulsphysik Gmbh Verfahren und Vorrichtung zur Bestimmung der Sichtweite auf Landebahnen

Also Published As

Publication number Publication date
LU55073A1 (fr) 1968-03-04
CA780626A (en) 1968-03-19
BE662165A (fr) 1965-08-02
FR1459336A (fr) 1966-04-29
DE1531481A1 (de) 1969-12-11
BE704838R (fr) 1968-02-15
CA852469A (en) 1970-09-29
NL6717063A (nl) 1968-06-17
GB1118348A (en) 1968-07-03
NL6513291A (nl) 1966-04-15
LU49597A1 (fr) 1965-12-06
GB1195580A (en) 1970-06-17
BE691170R (fr) 1967-05-16
US3572949A (en) 1971-03-30
SE323232B (sv) 1970-04-27
US3501239A (en) 1970-03-17
CH488199A (fr) 1970-03-31
FR94472E (fr) 1969-08-22
DE1456119A1 (de) 1968-12-05
DE1456119B2 (de) 1972-12-07
BE654344A (fr) 1965-04-14
SE224565C1 (sv) 1969-01-21

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