FR2266239B1 - - Google Patents

Info

Publication number
FR2266239B1
FR2266239B1 FR7411294A FR7411294A FR2266239B1 FR 2266239 B1 FR2266239 B1 FR 2266239B1 FR 7411294 A FR7411294 A FR 7411294A FR 7411294 A FR7411294 A FR 7411294A FR 2266239 B1 FR2266239 B1 FR 2266239B1
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
FR7411294A
Other languages
French (fr)
Other versions
FR2266239A1 (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.)
Societe de Fabrication dInstruments de Mesure SFIM SA
Original Assignee
Societe de Fabrication dInstruments de Mesure SFIM 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
Application filed by Societe de Fabrication dInstruments de Mesure SFIM SA filed Critical Societe de Fabrication dInstruments de Mesure SFIM SA
Priority to FR7411294A priority Critical patent/FR2266239A1/en
Priority to DE19742451587 priority patent/DE2451587A1/en
Publication of FR2266239A1 publication Critical patent/FR2266239A1/en
Application granted granted Critical
Publication of FR2266239B1 publication Critical patent/FR2266239B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
FR7411294A 1974-03-29 1974-03-29 Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green Granted FR2266239A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7411294A FR2266239A1 (en) 1974-03-29 1974-03-29 Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green
DE19742451587 DE2451587A1 (en) 1974-03-29 1974-10-30 DEVICE FOR FACILITATING THE DRIVING OF AN AUTHORIZED VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7411294A FR2266239A1 (en) 1974-03-29 1974-03-29 Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green

Publications (2)

Publication Number Publication Date
FR2266239A1 FR2266239A1 (en) 1975-10-24
FR2266239B1 true FR2266239B1 (en) 1980-08-01

Family

ID=9137091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7411294A Granted FR2266239A1 (en) 1974-03-29 1974-03-29 Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green

Country Status (2)

Country Link
DE (1) DE2451587A1 (en)
FR (1) FR2266239A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855625C2 (en) * 1978-12-22 1983-07-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arrangement for controlling variable traffic lights or switches
IT1196569B (en) * 1986-08-06 1988-11-16 Over Italia Srl IMPROVEMENT IN SYSTEMS FOR TEMPORARY CONTROL AND ADAPTATION OF THE TRAFFIC LIGHT REGULATION
CN110189528A (en) * 2019-06-26 2019-08-30 南宁学院 A kind of traffic light control system based on radar induction

Also Published As

Publication number Publication date
FR2266239A1 (en) 1975-10-24
DE2451587A1 (en) 1975-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse