CA1093657A - Warning method and system for road signalling with authorized speed display - Google Patents

Warning method and system for road signalling with authorized speed display

Info

Publication number
CA1093657A
CA1093657A CA249,425A CA249425A CA1093657A CA 1093657 A CA1093657 A CA 1093657A CA 249425 A CA249425 A CA 249425A CA 1093657 A CA1093657 A CA 1093657A
Authority
CA
Canada
Prior art keywords
vehicle
pulses
pair
magnetic barriers
barriers
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
CA249,425A
Other languages
English (en)
French (fr)
Inventor
Pierre E. Tuffet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1093657A publication Critical patent/CA1093657A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/103—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the value of the measured signal with one or several reference values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096758—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where no selection takes place on the transmitted or the received information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
CA249,425A 1975-04-09 1976-04-02 Warning method and system for road signalling with authorized speed display Expired CA1093657A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR75-11017 1975-04-09
FR7511017A FR2307272A1 (fr) 1975-04-09 1975-04-09 Procede et systeme d'avertissement de signalisation routiere avec affichage de vitesse autorisee

Publications (1)

Publication Number Publication Date
CA1093657A true CA1093657A (en) 1981-01-13

Family

ID=9153676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249,425A Expired CA1093657A (en) 1975-04-09 1976-04-02 Warning method and system for road signalling with authorized speed display

Country Status (8)

Country Link
JP (1) JPS51123599A (enExample)
CA (1) CA1093657A (enExample)
CH (1) CH609460A5 (enExample)
DE (1) DE2615424A1 (enExample)
ES (1) ES446820A1 (enExample)
FR (1) FR2307272A1 (enExample)
GB (1) GB1534729A (enExample)
IT (1) IT1058798B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189547A (zh) * 2019-05-30 2019-08-30 广州小鹏汽车科技有限公司 一种障碍物检测方法、装置及车辆
CN112796251A (zh) * 2020-12-21 2021-05-14 刘加伦 一种机械式防偏移隔离路墩

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467451A1 (fr) * 1979-10-10 1981-04-17 Sarrosquy Gerard Dispositif de signalisation active, notamment pour la securite routiere
DE19506420A1 (de) * 1995-02-24 1996-08-29 Eugen Dr Med Breimann Fahrzeug, insbesondere Kraftfahrzeug, mit einer Einrichtung zur Messung der Geschwindigkeit des Fahrzeugs
GB2363885A (en) * 2000-06-21 2002-01-09 Robert John Pigott Speed limit display for road vehicles
FR2868540B1 (fr) * 2004-03-30 2006-07-28 Andre Gautreau Procede de signalisation de lecture d'informations destinees a un vehicule, et dispositifs pour sa mise en oeuvre
CN117437791B (zh) * 2023-12-14 2024-02-20 山东彩旺建设有限公司 智慧城市交通护栏防撞提示系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044043A (en) * 1958-07-21 1962-07-10 Gen Motors Corp Vehicle signalling apparatus for warning of approaching road conditions
DE2334406A1 (de) * 1972-07-17 1974-01-31 Pierre Edmond Tuffet Verkehrszeichen-warnsystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189547A (zh) * 2019-05-30 2019-08-30 广州小鹏汽车科技有限公司 一种障碍物检测方法、装置及车辆
CN110189547B (zh) * 2019-05-30 2020-10-20 广州小鹏汽车科技有限公司 一种障碍物检测方法、装置及车辆
CN112796251A (zh) * 2020-12-21 2021-05-14 刘加伦 一种机械式防偏移隔离路墩

Also Published As

Publication number Publication date
FR2307272A1 (fr) 1976-11-05
CH609460A5 (en) 1979-02-28
GB1534729A (en) 1978-12-06
DE2615424A1 (de) 1976-10-14
JPS51123599A (en) 1976-10-28
IT1058798B (it) 1982-05-10
FR2307272B1 (enExample) 1981-12-31
ES446820A1 (es) 1977-06-01

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Legal Events

Date Code Title Description
MKEX Expiry