FR952299A - Perfectionnements aux appareils pour la détection de la présence des véhicules - Google Patents

Perfectionnements aux appareils pour la détection de la présence des véhicules

Info

Publication number
FR952299A
FR952299A FR952299DA FR952299A FR 952299 A FR952299 A FR 952299A FR 952299D A FR952299D A FR 952299DA FR 952299 A FR952299 A FR 952299A
Authority
FR
France
Prior art keywords
vehicles
detecting
devices
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
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of FR952299A publication Critical patent/FR952299A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
    • B61L13/047—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors controlling inductively or magnetically
    • 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
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
FR952299D 1945-11-27 1947-08-25 Perfectionnements aux appareils pour la détection de la présence des véhicules Expired FR952299A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623418XA 1945-11-27 1945-11-27

Publications (1)

Publication Number Publication Date
FR952299A true FR952299A (fr) 1949-11-14

Family

ID=22041841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952299D Expired FR952299A (fr) 1945-11-27 1947-08-25 Perfectionnements aux appareils pour la détection de la présence des véhicules

Country Status (3)

Country Link
BE (1) BE477864A (fr)
FR (1) FR952299A (fr)
GB (1) GB623418A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036904B (de) * 1953-07-20 1958-08-21 Kurt Wachtel Elektrisches Steuergeraet, insbesondere fuer signal- und fernmeldetechnische Zwecke bei Eisenbahnen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036904B (de) * 1953-07-20 1958-08-21 Kurt Wachtel Elektrisches Steuergeraet, insbesondere fuer signal- und fernmeldetechnische Zwecke bei Eisenbahnen

Also Published As

Publication number Publication date
GB623418A (en) 1949-05-17
BE477864A (fr)

Similar Documents

Publication Publication Date Title
FR994290A (fr) Adhéromètre pour véhicules
FR927411A (fr) Perfectionnements aux appareils indicateurs de direction des fluides
FR922586A (fr) Perfectionnements apportés aux appareils de combustion
FR952299A (fr) Perfectionnements aux appareils pour la détection de la présence des véhicules
FR939064A (fr) Perfectionnements aux caisses de véhicules
FR912880A (fr) Perfectionnements aux appareils traceurs de courbe de réponse
FR916858A (fr) Perfectionnements aux freins pour cycles
FR937177A (fr) Perfectionnements apportés aux appareils de freinage pour véhicules
FR937089A (fr) Perfectionnements aux récepteurs de télégraphes-imprimeurs
FR918794A (fr) Perfectionnements aux plateformes pour appareils de cinématographie
FR917319A (fr) Perfectionnements aux pédales pour chemins de fer
FR919600A (fr) Perfectionnements aux dispositifs de détection de signaux électro-magnétiques
FR915214A (fr) Perfectionnements aux transmissions pour cycles
FR56441E (fr) Perfectionnements aux fermetures
FR56405E (fr) Perfectionnements apportés aux dispositifs de refroidissements
FR916661A (fr) Perfectionnements aux appareils de séparation
FR997369A (fr) Perfectionnements apportés aux appareils de projection
FR916830A (fr) Perfectionnements aux raboteuses
FR927052A (fr) Perfectionnements aux radiogoniomètres
FR939417A (fr) Perfectionnements aux radiogoniomètres
FR939362A (fr) Perfectionnements aux appareils indicateurs
FR930239A (fr) Perfectionnements aux dispositifs indicateurs
FR932798A (fr) Perfectionnements aux aiguilles de phonographe
FR938308A (fr) Perfectionnements aux appareils de réfrigération
FR929310A (fr) Perfectionnements aux altimètres