FR1568270A - - Google Patents

Info

Publication number
FR1568270A
FR1568270A FR1568270DA FR1568270A FR 1568270 A FR1568270 A FR 1568270A FR 1568270D A FR1568270D A FR 1568270DA FR 1568270 A FR1568270 A FR 1568270A
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
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 filed Critical
Application granted granted Critical
Publication of FR1568270A publication Critical patent/FR1568270A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1568270D 1968-03-21 1968-03-21 Expired FR1568270A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38005235 1968-03-21

Publications (1)

Publication Number Publication Date
FR1568270A true FR1568270A (fr) 1969-05-23

Family

ID=9692923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1568270D Expired FR1568270A (fr) 1968-03-21 1968-03-21

Country Status (1)

Country Link
FR (1) FR1568270A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691547A1 (fr) * 1992-05-19 1993-11-26 Matra Transport Procédé et dispositif de détection optique d'obstacle mobile.
EP1321915A2 (fr) * 2001-12-12 2003-06-25 JET RESEARCH Srl Dispositif de surveillance du traffic

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691547A1 (fr) * 1992-05-19 1993-11-26 Matra Transport Procédé et dispositif de détection optique d'obstacle mobile.
EP1321915A2 (fr) * 2001-12-12 2003-06-25 JET RESEARCH Srl Dispositif de surveillance du traffic
EP1321915A3 (fr) * 2001-12-12 2003-12-17 JET RESEARCH Srl Dispositif de surveillance du traffic

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Legal Events

Date Code Title Description
ST Notification of lapse