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
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

    • 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
    • G08G5/0021—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information located in the aircraft
    • 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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/02—Automatic approach or landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
    • G08G5/025—Navigation or guidance aids
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Astronomy & Astrophysics (AREA)
  • Traffic Control Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

794,472. Measuring visibility. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ. Aug. 8, 1956 [Oct. 17, 1955], No. 24287/56. Class 40 (3). Visibility in an oblique direction near to an aircraft runway is determined by producing at E a very brief light signal and detecting the rearwardly diffused light by a photo-electric cell P, amplifier A and cathode-ray oscilloscope O. The light signal is produced by a spark generator G and a synchronized Kerr cell K or other shutter and is projected by a curved mirror M1. The photo-electric cell P is placed at the focus of a mirror M2 and its signals are applied to the vertical deflection means of the oscilloscope, the horizontal sweep of which is controlled from the spark generator G through a synchronizer S.
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 (en)
DE (1) DE1024809B (en)
GB (1) GB794472A (en)

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
EP0033870A2 (en) * 1980-01-26 1981-08-19 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Method of measuring slant visibility
WO2014122616A1 (en) * 2013-02-10 2014-08-14 Lawrence A Hisscott Sensor system for assessing visual range on a runway.

Family Cites Families (1)

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

Cited By (7)

* 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
EP0033870A2 (en) * 1980-01-26 1981-08-19 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Method of measuring slant visibility
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 (en)
DE1024809B (en) 1958-02-20

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