FR2404197B1 - - Google Patents

Info

Publication number
FR2404197B1
FR2404197B1 FR7826702A FR7826702A FR2404197B1 FR 2404197 B1 FR2404197 B1 FR 2404197B1 FR 7826702 A FR7826702 A FR 7826702A FR 7826702 A FR7826702 A FR 7826702A FR 2404197 B1 FR2404197 B1 FR 2404197B1
Authority
FR
France
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
FR7826702A
Other languages
French (fr)
Other versions
FR2404197A1 (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.)
British Railways Board
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Publication of FR2404197A1 publication Critical patent/FR2404197A1/fr
Application granted granted Critical
Publication of FR2404197B1 publication Critical patent/FR2404197B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B11/043Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/015Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Traffic Control Systems (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7826702A 1977-09-23 1978-09-18 Systeme de mesure de la longueur de vehicules en deplacement Granted FR2404197A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB39730/77A GB1573188A (en) 1977-09-23 1977-09-23 Measuring systems

Publications (2)

Publication Number Publication Date
FR2404197A1 FR2404197A1 (fr) 1979-04-20
FR2404197B1 true FR2404197B1 (it) 1982-02-19

Family

ID=10411157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7826702A Granted FR2404197A1 (fr) 1977-09-23 1978-09-18 Systeme de mesure de la longueur de vehicules en deplacement

Country Status (12)

Country Link
BE (1) BE870681A (it)
DE (1) DE2838583A1 (it)
DK (1) DK422878A (it)
ES (1) ES473597A1 (it)
FI (1) FI782758A (it)
FR (1) FR2404197A1 (it)
GB (1) GB1573188A (it)
IE (1) IE47432B1 (it)
IT (1) IT1098909B (it)
NL (1) NL7808941A (it)
NO (1) NO783226L (it)
SE (1) SE7809235L (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1192491B (it) * 1982-08-10 1988-04-13 Fiorello Sodi Apparecchiatura automatica per i controllo della velocita' di automezzi in transito,con mezzi di selezione,in specie per la discrimazione fra mezzi pesanti ed autoveicoli
DE3432355A1 (de) * 1984-09-03 1986-03-13 Siemens AG, 1000 Berlin und 8000 München Anordnung zur bestimmung des raddurchmessers von eisenbahnwagen
GB2174195A (en) * 1985-04-25 1986-10-29 Developia Systems Ab An arrangement and a method for the measurement of the weights and/or dimensions and/or volumes of articles
AU6409986A (en) * 1985-10-07 1987-04-24 Sigalov, H. Light beam control signals for musical instruments
GB8600239D0 (en) * 1986-01-07 1986-02-12 Bicc Plc Velocity measurement
GB8725130D0 (en) * 1987-10-27 1987-12-02 Hughes Ltd Stewart Blade incidence tracker system
GB2231952A (en) * 1989-05-03 1990-11-28 Serco Limited Vehicle length measurement system
FR2670404B1 (fr) * 1990-12-12 1995-05-12 Dassault Electronique Dispositif et procede de classification automatique a la volee de vehicules autonomes.
GB9115745D0 (en) * 1991-07-20 1991-09-04 Longdin & Browning Surveys Lim Method and apparatus for dimensional measurement
CA2132346A1 (en) * 1992-03-18 1993-09-30 Robert Ciolli Vision apparatus
DE4311991A1 (de) * 1993-04-06 1994-10-13 Refit Ev Verfahren und Anordnung zur Bestimmung von Verkehrsgrößen
DE19717661A1 (de) * 1997-04-25 1998-10-29 Krupp Foerdertechnik Gmbh Verfahren und Einrichtung zur kontinuierlichen Erkennung wesentlicher Merkmale eines Schienenfahrzeugs
FR3078810B1 (fr) * 2018-03-08 2020-04-03 Idemia Identity And Security Dispositif et procede pour differencier un poids lourd de transport de marchandises d’un autocar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960922A (en) * 1961-11-14 1964-06-17 British Iron Steel Research Improvements in and relating to measuring apparatus
FR2088131A1 (it) * 1970-05-21 1972-01-07 Subra Jacques
BE790341A (it) * 1971-10-29 1973-04-20 Siderurgie Fse Inst Rech
US3872283A (en) * 1973-07-13 1975-03-18 Cadre Corp Vehicle identification method and apparatus
IT1044402B (it) * 1975-06-19 1980-03-20 Autostrade Concess Const Barriera a scansione per la discriminazione ed il conteggio di oggetti e piu specificamente di veicoli in transito attraverso uno sbarramento laminare di microonde elettromagnetiche

Also Published As

Publication number Publication date
FR2404197A1 (fr) 1979-04-20
SE7809235L (sv) 1979-03-24
IT1098909B (it) 1985-09-18
NO783226L (no) 1979-03-26
IE781748L (en) 1979-03-23
IT7828021A0 (it) 1978-09-25
DE2838583A1 (de) 1979-04-05
FI782758A (fi) 1979-03-24
NL7808941A (nl) 1979-03-27
IE47432B1 (en) 1984-03-21
GB1573188A (en) 1980-08-20
BE870681A (fr) 1979-01-15
ES473597A1 (es) 1979-04-16
DK422878A (da) 1979-03-24

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