FR1180126A - Improvements to devices for monitoring road traffic - Google Patents

Improvements to devices for monitoring road traffic

Info

Publication number
FR1180126A
FR1180126A FR1180126DA FR1180126A FR 1180126 A FR1180126 A FR 1180126A FR 1180126D A FR1180126D A FR 1180126DA FR 1180126 A FR1180126 A FR 1180126A
Authority
FR
France
Prior art keywords
devices
road traffic
monitoring road
monitoring
traffic
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
French (fr)
Inventor
Andre Angot
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Application granted granted Critical
Publication of FR1180126A publication Critical patent/FR1180126A/en
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
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1180126D 1957-07-26 1957-07-26 Improvements to devices for monitoring road traffic Expired FR1180126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1180126T 1957-07-26

Publications (1)

Publication Number Publication Date
FR1180126A true FR1180126A (en) 1959-06-02

Family

ID=9661481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1180126D Expired FR1180126A (en) 1957-07-26 1957-07-26 Improvements to devices for monitoring road traffic

Country Status (1)

Country Link
FR (1) FR1180126A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277601B (en) * 1963-06-14 1968-09-12 Klaus Klotzek Circuit arrangement for determining the speed, acceleration, direction of movement, presence and number of moving objects
FR2357014A1 (en) * 1976-06-30 1978-01-27 Snecma Electronic intrusion detector sensing people or objects - has two wire line connected with oscillator and phase changer to resonate with frequency varied by intrusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277601B (en) * 1963-06-14 1968-09-12 Klaus Klotzek Circuit arrangement for determining the speed, acceleration, direction of movement, presence and number of moving objects
FR2357014A1 (en) * 1976-06-30 1978-01-27 Snecma Electronic intrusion detector sensing people or objects - has two wire line connected with oscillator and phase changer to resonate with frequency varied by intrusion

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