BE704838R - 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 Download PDF

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Publication number
BE704838R
BE704838R BE704838DA BE704838R BE 704838 R BE704838 R BE 704838R BE 704838D A BE704838D A BE 704838DA BE 704838 R BE704838 R BE 704838R
Authority
BE
Belgium
Prior art keywords
fog
installation
measuring
limit
visibility distance
Prior art date
Application number
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
Application granted granted Critical
Publication of BE704838R publication Critical patent/BE704838R/fr

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND 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
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/18Visual or acoustic landing aids
    • B64F1/20Arrangement of optical beacons
    • 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
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S11/00Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12Systems 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)
BE704838D 1964-10-14 1967-10-09 Installation de mesure de la distance limite de visibilité dans le brouillard BE704838R (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
BE704838R true BE704838R (fr) 1968-02-15

Family

ID=74493079

Family Applications (4)

Application Number Title Priority Date Filing Date
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
BE691170D BE691170R (fr) 1964-10-14 1966-12-14 Installation de mesure de la distance limite de visibilité dans le brouillard
BE704838D BE704838R (fr) 1964-10-14 1967-10-09 Installation de mesure de la distance limite de visibilité dans le brouillard

Family Applications Before (3)

Application Number Title Priority Date Filing Date
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
BE691170D BE691170R (fr) 1964-10-14 1966-12-14 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
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
CH454485A (fr) 1968-04-15
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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