FR2266239A1 - Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green - Google Patents

Warning system used by vehicle driver approaching traffic lights - for ambulances or fire engines uses radar signal to change lights to green

Info

Publication number
FR2266239A1
FR2266239A1 FR7411294A FR7411294A FR2266239A1 FR 2266239 A1 FR2266239 A1 FR 2266239A1 FR 7411294 A FR7411294 A FR 7411294A FR 7411294 A FR7411294 A FR 7411294A FR 2266239 A1 FR2266239 A1 FR 2266239A1
Authority
FR
France
Prior art keywords
lights
traffic lights
ambulances
green
system used
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.)
Granted
Application number
FR7411294A
Other languages
English (en)
French (fr)
Other versions
FR2266239B1 (enExample
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/fr
Priority to DE19742451587 priority patent/DE2451587A1/de
Publication of FR2266239A1 publication Critical patent/FR2266239A1/fr
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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Emergency Alarm Devices (AREA)
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 (de) 1974-03-29 1974-10-30 Vorrichtung zum erleichtern des fahrens eines bevorrechtigten fahrzeuges

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 true FR2266239A1 (en) 1975-10-24
FR2266239B1 FR2266239B1 (enExample) 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 (enExample)
FR (1) FR2266239A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256998A3 (en) * 1986-08-06 1990-03-07 CO.FI.GE. Compagnia Fiduciaria Genovese S.p.A. System to control and temporarily adapt semaphoric regulation
CN110189528A (zh) * 2019-06-26 2019-08-30 南宁学院 一种基于雷达感应的交通信号灯控制系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855625C2 (de) * 1978-12-22 1983-07-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Steuerung von Wechselverkehrslichtzeichen oder Weichen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256998A3 (en) * 1986-08-06 1990-03-07 CO.FI.GE. Compagnia Fiduciaria Genovese S.p.A. System to control and temporarily adapt semaphoric regulation
CN110189528A (zh) * 2019-06-26 2019-08-30 南宁学院 一种基于雷达感应的交通信号灯控制系统

Also Published As

Publication number Publication date
DE2451587A1 (de) 1975-10-02
FR2266239B1 (enExample) 1980-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse