GB1245360A - Detector apparatus for obtaining road traffic information - Google Patents

Detector apparatus for obtaining road traffic information

Info

Publication number
GB1245360A
GB1245360A GB56407/69A GB5640769A GB1245360A GB 1245360 A GB1245360 A GB 1245360A GB 56407/69 A GB56407/69 A GB 56407/69A GB 5640769 A GB5640769 A GB 5640769A GB 1245360 A GB1245360 A GB 1245360A
Authority
GB
United Kingdom
Prior art keywords
signal
detector
loop
vehicle
levels
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
GB56407/69A
Other languages
English (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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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
Priority claimed from JP8743168A external-priority patent/JPS5018360B1/ja
Priority claimed from JP43091228A external-priority patent/JPS4831040B1/ja
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Publication of GB1245360A publication Critical patent/GB1245360A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/042Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • G01V3/102Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Traffic Control Systems (AREA)
GB56407/69A 1968-11-29 1969-11-18 Detector apparatus for obtaining road traffic information Expired GB1245360A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8743168A JPS5018360B1 (enExample) 1968-11-29 1968-11-29
JP43091228A JPS4831040B1 (enExample) 1968-12-12 1968-12-12

Publications (1)

Publication Number Publication Date
GB1245360A true GB1245360A (en) 1971-09-08

Family

ID=26428712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB56407/69A Expired GB1245360A (en) 1968-11-29 1969-11-18 Detector apparatus for obtaining road traffic information

Country Status (4)

Country Link
US (1) US3675195A (enExample)
DE (1) DE1959546B2 (enExample)
FR (1) FR2024593A1 (enExample)
GB (1) GB1245360A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276539A (en) * 1978-06-22 1981-06-30 U.S. Philips Corporation Vehicle detection systems
US4379280A (en) * 1977-11-09 1983-04-05 U.S. Philips Corporation Vehicle detection systems
GB2348501A (en) * 1999-03-31 2000-10-04 Diamond Consult Serv Ltd Loop sensing apparatus for traffic detection
US6337640B2 (en) 1999-03-31 2002-01-08 Diamond Consulting Services Limited Inductive loop sensor for traffic detection, and traffic monitoring apparatus and method using such a loop sensor
GB2408372A (en) * 2003-11-20 2005-05-25 Golden River Traffic Ltd Apparatus and method for determining the presence of a vehicle on a highway

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968979A (en) * 1985-04-19 1990-11-06 Omron Tateisi Electronics Co. Vehicle detecting system
FR2693301B1 (fr) * 1992-07-06 1994-08-05 Est Centre Tech Equip Dispositif pour detecter une ou plusieurs roues d'un engin mobile roulant.
DE4234548C1 (de) * 1992-10-14 1993-09-30 Ant Nachrichtentech Anordnung zum Erfassen von Verkehrsgrößen
DE19549003C1 (de) * 1995-12-28 1997-02-13 Motzko Friedrich Dipl Ing Fh Verfahren zur Geschwindigkeitsmessung
CN100357765C (zh) * 2003-02-19 2007-12-26 住友电气工业株式会社 车辆探测系统
FR2878080B1 (fr) * 2004-11-18 2011-12-23 Ct D Etudes Tech De L Equipement Cete De L Est Boucles communicantes pour transmettre des informations entre les vehicules et l'infrastructure
WO2007132068A1 (fr) * 2006-05-11 2007-11-22 Centre D'etudes Techniques De L'equipement-Cete De L'est Systeme de detection de vehicule et de communication entre un vehicule et une chaussee, et vehicule adapte
US20110224865A1 (en) * 2010-03-11 2011-09-15 Honeywell International Inc. Health monitoring systems and methods with vehicle velocity
DE102015204674B4 (de) * 2015-03-16 2018-04-19 Designa Verkehrsleittechnik Gmbh Fahrzeug-Detektionsvorrichtung
CN113064805A (zh) * 2021-03-29 2021-07-02 联想(北京)有限公司 一种电子设备的控制方法以及控制装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222637A (en) * 1962-09-12 1965-12-07 Rca Corp Detection apparatus
US3346856A (en) * 1964-07-06 1967-10-10 Gen Precision Systems Inc Inductive loop vehicle detector
US3375493A (en) * 1965-06-30 1968-03-26 Gen Precision Systems Inc Inductive loop presence detector
US3474409A (en) * 1965-06-30 1969-10-21 Singer General Precision Loop oscillator for a vehicle presence detector
US3492637A (en) * 1965-11-29 1970-01-27 Singer General Precision Inductive loop vehicle detector
US3576525A (en) * 1967-07-17 1971-04-27 Singer General Precision Inductive loop vehicle presence detector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379280A (en) * 1977-11-09 1983-04-05 U.S. Philips Corporation Vehicle detection systems
US4276539A (en) * 1978-06-22 1981-06-30 U.S. Philips Corporation Vehicle detection systems
GB2348501A (en) * 1999-03-31 2000-10-04 Diamond Consult Serv Ltd Loop sensing apparatus for traffic detection
US6337640B2 (en) 1999-03-31 2002-01-08 Diamond Consulting Services Limited Inductive loop sensor for traffic detection, and traffic monitoring apparatus and method using such a loop sensor
US6483443B1 (en) 1999-03-31 2002-11-19 Diamon Consulting Services Limited Loop sensing apparatus for traffic detection
GB2348501B (en) * 1999-03-31 2003-07-30 Diamond Consulting Services Lt Loop sensing apparatus for traffic detection
GB2408372A (en) * 2003-11-20 2005-05-25 Golden River Traffic Ltd Apparatus and method for determining the presence of a vehicle on a highway

Also Published As

Publication number Publication date
FR2024593A1 (enExample) 1970-08-28
DE1959546B2 (de) 1975-02-06
US3675195A (en) 1972-07-04
DE1959546A1 (de) 1970-07-09

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