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

Info

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

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)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Investigating Or Analysing Biological Materials (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
BE37181 1966-12-14
BE691170 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) CA852469A (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 (6)

* 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
EP0044589B1 (fr) * 1980-07-17 1986-09-10 Paul Rouet Installation de mesure de la limite de visibilité dans le brouillard
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
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
BE662165A (fr) 1965-08-02
SE224565C1 (sv) 1969-01-21
LU49597A1 (fr) 1965-12-06
CA780626A (en) 1968-03-19
BE654344A (fr) 1965-04-14
FR94472E (fr) 1969-08-22
NL6513291A (nl) 1966-04-15
DE1531481A1 (de) 1969-12-11
CH454485A (fr) 1968-04-15
LU55073A1 (fr) 1968-03-04
US3572949A (en) 1971-03-30
CH488199A (fr) 1970-03-31
GB1195580A (en) 1970-06-17
DE1456119B2 (de) 1972-12-07
SE323232B (sv) 1970-04-27
BE691170R (fr) 1967-05-16
CA852469A (en) 1970-09-29
GB1118348A (en) 1968-07-03
NL6717063A (nl) 1968-06-17
US3501239A (en) 1970-03-17
DE1456119A1 (de) 1968-12-05
FR1459336A (fr) 1966-04-29

Similar Documents

Publication Publication Date Title
BE749824A (fr) Phtalazines substituees
CH511734A (fr) Chariot de manutention
BE753250A (fr) Commande de vehicules
FR1481269A (fr) Détecteur de véhicules
BE753251A (fr) Commande de vehicules
CH455305A (de) Kreiselinstrument zur Ermittlung der Nordrichtung
CH436766A (de) Verfahren zur Messung der Sichtweiten
BE704838R (fr) Installation de mesure de la distance limite de visibilité dans le brouillard
FR2022134A1 (fr) Pendule avertisseuse
CH516788A (fr) Trapèze de navigation
CH489025A (de) Entfernungs-Messsystem
FR1403803A (fr) Chariot de manutention
AT293069B (de) Winkelgeschwindigkeitsmeßvorrichtung
FR1517237A (fr) Détecteur de véhicules
FR90912E (fr) Détecteur de véhicules
AT264655B (de) Einrichtung zur Messung der Gruppenlaufzeit
CH417412A (it) Segnale stradale
CH514118A (de) Kreiselgerät
FR1454650A (fr) Circuit de mesure
FR1466420A (fr) Circuit de mesure de la position d'une impulsion
FR1459622A (fr) Détecteur de véhicules
FR1414561A (fr) Chariot de manutention
FR1445550A (fr) équipement de mesure de distance
FR1383466A (fr) Circuits mesureurs de phase
AT309841B (de) Achsmeßgerät