GB794472A - Improvements in or relating to the determination of oblique visibility - Google Patents

Improvements in or relating to the determination of oblique visibility

Info

Publication number
GB794472A
GB794472A GB24287/56A GB2428756A GB794472A GB 794472 A GB794472 A GB 794472A GB 24287/56 A GB24287/56 A GB 24287/56A GB 2428756 A GB2428756 A GB 2428756A GB 794472 A GB794472 A GB 794472A
Authority
GB
United Kingdom
Prior art keywords
visibility
photo
light signal
spark generator
oscilloscope
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
GB24287/56A
Other languages
English (en)
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
Publication of GB794472A publication Critical patent/GB794472A/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
    • G08G5/21Arrangements for acquiring, generating, sharing or displaying traffic information located onboard the aircraft
    • 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/95Lidar systems specially adapted for specific applications for meteorological use
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G5/00Traffic control systems for aircraft
    • G08G5/50Navigation or guidance aids
    • G08G5/54Navigation or guidance aids for approach or landing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Astronomy & Astrophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Traffic Control Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB24287/56A 1955-10-17 1956-08-08 Improvements in or relating to the determination of oblique visibility Expired GB794472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR794472X 1955-10-17

Publications (1)

Publication Number Publication Date
GB794472A true GB794472A (en) 1958-05-07

Family

ID=9234115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24287/56A Expired GB794472A (en) 1955-10-17 1956-08-08 Improvements in or relating to the determination of oblique visibility

Country Status (3)

Country Link
BE (1) BE549034A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1024809B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB794472A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146293A (en) * 1960-02-22 1964-08-25 Compteurs Comp D Measuring the mean density of the atmosphere
US3299769A (en) * 1963-03-08 1967-01-24 Donald J Byers Method and means for ascertaining visibility conditions
US3510225A (en) * 1966-05-31 1970-05-05 Stanford Research Inst Visibility indicating system
US3519354A (en) * 1965-06-17 1970-07-07 Sperry Rand Corp System for measuring extinction coefficients in the atmosphere utilizing backscattered signals
EP0033870A3 (en) * 1980-01-26 1982-05-26 Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. Process and laser measuring apparatus for measuring visibility, slant visibility and cloud height
WO2014122616A1 (en) * 2013-02-10 2014-08-14 Lawrence A Hisscott Sensor system for assessing visual range on a runway.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB849102A (en) * 1955-09-23 1960-09-21 Nat Res Dev Improvements in or relating to fog detecting and like visibility measuring systems
DE1128684B (de) * 1957-05-22 1962-04-26 Tno Verfahren zur Nachtsichtmessung
DE1213747B (de) * 1960-09-27 1966-03-31 Edgerton Optisches Landesystem
DE1243987B (de) 1961-01-09 1967-07-06 Anciens Ets Barbier Optisches Anflugleitsystem fuer Luftfahrzeuge
DE1648240C2 (de) * 1967-09-12 1971-12-30 Impulsphysik Gmbh Lichtimpulssender fuer Wolkenhoehenmesser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR846239A (fr) * 1938-11-19 1939-09-12 Cfcmug Altimètre optique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146293A (en) * 1960-02-22 1964-08-25 Compteurs Comp D Measuring the mean density of the atmosphere
US3299769A (en) * 1963-03-08 1967-01-24 Donald J Byers Method and means for ascertaining visibility conditions
US3519354A (en) * 1965-06-17 1970-07-07 Sperry Rand Corp System for measuring extinction coefficients in the atmosphere utilizing backscattered signals
US3510225A (en) * 1966-05-31 1970-05-05 Stanford Research Inst Visibility indicating system
EP0033870A3 (en) * 1980-01-26 1982-05-26 Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. Process and laser measuring apparatus for measuring visibility, slant visibility and cloud height
WO2014122616A1 (en) * 2013-02-10 2014-08-14 Lawrence A Hisscott Sensor system for assessing visual range on a runway.

Also Published As

Publication number Publication date
BE549034A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1024809B (de) 1958-02-20

Similar Documents

Publication Publication Date Title
GB794472A (en) Improvements in or relating to the determination of oblique visibility
ES8101350A1 (es) Un metodo de ajuste de la unidad de convergencia estatica deun tubo de imagen de color, y dispositivo correspondiente
GB1259457A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB1314313A (en) Method of and device for the automatic focusing of microscopes
ES387036A1 (es) Procedimiento no destructivo para la medida del estado de superficies, y aparato para la aplicacion practica del pro- cedimiento.
GB1411793A (en) Scanning electron microscope
GB1261286A (en) Opto-electronic system for detecting infrared radiation
FR68730E (fr) écran pour tubes cathodiques permettant la reproduction d'images colorées
GB1470454A (en) Range-finders
GB908030A (en) Improvements in or relating to range-finders
GB813095A (en) Improvements in or relating to indicators for use in radar apparatus
FR1159773A (fr) Système de déviation du faisceau électronique d'un tube oscilloscope
GB1364269A (en) Apparatus for examining reflecting surfaces
GB1502158A (en) Lens meter
GB826846A (en) A method of and apparatus for measuring the width of an object
GB740873A (en) Improvements in or relating to circuit arrangements for use in telecinematograph transmitters
GB1360619A (en) Apparatus for testing beams of light
GB1019540A (en) A method and apparatus for determining the difference in area of an article from an article of known area
JPS53116804A (en) Signal recording and reproducing system of optical type
GB1118022A (en) Improvements in or relating to periscopes
GB892013A (en) Improvements in or relating to the measurement of objects
JPS5272267A (en) Monitor for change with time
GB862394A (en) Photoelectric control system, in particular for control by marks
GB503494A (en) Improvements in television transmitting apparatus
GB833441A (en) Improvements in or relating to tape recorders