FR90912E - Détecteur de véhicules - Google Patents

Détecteur de véhicules

Info

Publication number
FR90912E
FR90912E FR77521A FR77521A FR90912E FR 90912 E FR90912 E FR 90912E FR 77521 A FR77521 A FR 77521A FR 77521 A FR77521 A FR 77521A FR 90912 E FR90912 E FR 90912E
Authority
FR
France
Prior art keywords
vehicle detector
detector
vehicle
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
FR77521A
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.)
Eclairage des Vehicules Sur Rail EVR SA
Original Assignee
Eclairage des Vehicules Sur Rail EVR 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
Priority claimed from FR57099A external-priority patent/FR1481269A/fr
Application filed by Eclairage des Vehicules Sur Rail EVR SA filed Critical Eclairage des Vehicules Sur Rail EVR SA
Priority to FR77521A priority Critical patent/FR90912E/fr
Priority to DE19671574061 priority patent/DE1574061B1/de
Priority to GB1491067A priority patent/GB1187801A/en
Priority to ES338922A priority patent/ES338922A1/es
Application granted granted Critical
Publication of FR90912E publication Critical patent/FR90912E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • 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
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR77521A 1966-04-08 1966-09-23 Détecteur de véhicules Expired FR90912E (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR77521A FR90912E (fr) 1966-04-08 1966-09-23 Détecteur de véhicules
DE19671574061 DE1574061B1 (de) 1966-04-08 1967-03-29 Detektorvorrichtung zur feststellung von fahrzeugen
GB1491067A GB1187801A (en) 1966-04-08 1967-03-31 Improvements in or relating to Devices for the Detection of Vehicles
ES338922A ES338922A1 (es) 1966-04-08 1967-04-05 Un dispositivo detector de vehiculos.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR57099A FR1481269A (fr) 1966-04-08 1966-04-08 Détecteur de véhicules
FR77521A FR90912E (fr) 1966-04-08 1966-09-23 Détecteur de véhicules

Publications (1)

Publication Number Publication Date
FR90912E true FR90912E (fr) 1968-03-08

Family

ID=26169862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR77521A Expired FR90912E (fr) 1966-04-08 1966-09-23 Détecteur de véhicules

Country Status (4)

Country Link
DE (1) DE1574061B1 (fr)
ES (1) ES338922A1 (fr)
FR (1) FR90912E (fr)
GB (1) GB1187801A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1227370B (it) * 1988-11-21 1991-04-08 Philips Spa Sensore di rilevamento del traffico.
FI83822C (fi) * 1989-02-02 1991-08-26 Valtion Teknillinen Foerfarande och anordning foer iakttagande av trafikfoerhaollanden.
FR2674643B1 (fr) * 1991-03-29 1993-07-02 Elsydel Procede pour generer des images lineaires d'objets en mouvement, notamment de vehicules, systemes pour sa mise en óoeuvre et application de ces systemes a la determination automatique de categorie de vehicules.
ITFI20120009A1 (it) * 2012-01-17 2013-07-18 Paolo Sodi "sistema e metodo per il rilevamento di infrazioni alle norme sulla circolazione stradale"

Also Published As

Publication number Publication date
ES338922A1 (es) 1968-04-16
DE1574061B1 (de) 1972-03-09
GB1187801A (en) 1970-04-15

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