FR1514386A - Method and device for measuring the spacing of two moving vehicles - Google Patents

Method and device for measuring the spacing of two moving vehicles

Info

Publication number
FR1514386A
FR1514386A FR91023A FR91023A FR1514386A FR 1514386 A FR1514386 A FR 1514386A FR 91023 A FR91023 A FR 91023A FR 91023 A FR91023 A FR 91023A FR 1514386 A FR1514386 A FR 1514386A
Authority
FR
France
Prior art keywords
spacing
measuring
moving vehicles
vehicles
moving
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
FR91023A
Other languages
French (fr)
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.)
Societe de Fabrication dInstruments de Mesure SFIM SA
Original Assignee
Societe de Fabrication dInstruments de Mesure SFIM 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 Societe de Fabrication dInstruments de Mesure SFIM SA filed Critical Societe de Fabrication dInstruments de Mesure SFIM SA
Priority to FR91023A priority Critical patent/FR1514386A/en
Priority to FR108876A priority patent/FR93467E/en
Priority to GB0723/68A priority patent/GB1211032A/en
Priority to US697449A priority patent/US3501763A/en
Priority to DE1616308A priority patent/DE1616308B2/en
Application granted granted Critical
Publication of FR1514386A publication Critical patent/FR1514386A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR91023A 1967-01-13 1967-01-13 Method and device for measuring the spacing of two moving vehicles Expired FR1514386A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR91023A FR1514386A (en) 1967-01-13 1967-01-13 Method and device for measuring the spacing of two moving vehicles
FR108876A FR93467E (en) 1967-01-13 1967-06-02 Method and device for measuring the spacing of two moving vehicles.
GB0723/68A GB1211032A (en) 1967-01-13 1968-01-11 Device and method for measuring spacing of vehicles
US697449A US3501763A (en) 1967-01-13 1968-01-12 Method of measuring the spacing of two moving vehicles and a device for the performance thereof,and their application to the evaluation of the traffic density of vehicles
DE1616308A DE1616308B2 (en) 1967-01-13 1968-01-13 Radar arrangement for measuring the distance between vehicles following one another by means of Doppler frequency integration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR91023A FR1514386A (en) 1967-01-13 1967-01-13 Method and device for measuring the spacing of two moving vehicles

Publications (1)

Publication Number Publication Date
FR1514386A true FR1514386A (en) 1968-02-23

Family

ID=8623820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR91023A Expired FR1514386A (en) 1967-01-13 1967-01-13 Method and device for measuring the spacing of two moving vehicles

Country Status (1)

Country Link
FR (1) FR1514386A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3821216A1 (en) * 1988-06-23 1989-12-28 Telefunken Electronic Gmbh MEASURING SYSTEM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3821216A1 (en) * 1988-06-23 1989-12-28 Telefunken Electronic Gmbh MEASURING SYSTEM

Similar Documents

Publication Publication Date Title
FR1478429A (en) Method and device for measuring the concentration of automobile traffic
FR1364146A (en) Method and device for measuring forces by applying the hall effect
CH538111A (en) Device for measuring a displacement
FR2073138A5 (en) DEVICE FOR THE PHOTOELECTRIC MEASUREMENT OF THE PERIPHERAL PULSE
FR1322971A (en) Method and device for continuous measurement of the permeability on sinter chains
FR93467E (en) Method and device for measuring the spacing of two moving vehicles.
FR1516307A (en) Method and device for the automatic quantitative analysis of nitrogen
CH452927A (en) Device for measuring the slippage of a road surface
CH489777A (en) Method and device for strain measurement
BE769977A (en) DEVICE FOR MEASURING VARIOUS DIAMETERS
FR1514386A (en) Method and device for measuring the spacing of two moving vehicles
BE760394A (en) METHOD AND DEVICE FOR MEASURING THE THICKNESS OF A COATING
FR1420274A (en) Device for measuring the rolling tension
FR1350122A (en) Method and device for differential temperature measurement
FR1547507A (en) Method and device for measuring hygrometric degrees
FR2137968A1 (en) Elongation measuring device
FR1514341A (en) Method and device for the remote identification of vehicles
BE753132A (en) DEVICE FOR MEASURING THE DURATION OF A LIGHT PULSE
FR1489608A (en) Method and device for packaging goods
FR1445662A (en) Cable tension measuring device
FR1501254A (en) Measuring device for determining the ignition point
FR1542797A (en) Device for measuring absorption differences of monochromatic radiation
FR1547457A (en) Device for continuous humidity measurement
FR1520542A (en) Method and device for measuring specified quantities of fluids
FR92628E (en) Method and device for measuring specified quantities of fluids