BE860936A - Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere - Google Patents

Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere

Info

Publication number
BE860936A
BE860936A BE182710A BE182710A BE860936A BE 860936 A BE860936 A BE 860936A BE 182710 A BE182710 A BE 182710A BE 182710 A BE182710 A BE 182710A BE 860936 A BE860936 A BE 860936A
Authority
BE
Belgium
Prior art keywords
modification
application
magnetic field
road traffic
electromagnetic sensor
Prior art date
Application number
BE182710A
Other languages
English (en)
French (fr)
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of BE860936A publication Critical patent/BE860936A/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric 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
    • G01V3/10—Electric 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
    • G01V3/104—Electric 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 using several coupled or uncoupled coils
    • G01V3/105—Electric 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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
BE182710A 1976-11-19 1977-11-17 Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere BE860936A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7634916A FR2371675A1 (fr) 1976-11-19 1976-11-19 Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere

Publications (1)

Publication Number Publication Date
BE860936A true BE860936A (fr) 1978-03-16

Family

ID=9180107

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182710A BE860936A (fr) 1976-11-19 1977-11-17 Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere

Country Status (14)

Country Link
US (1) US4232285A (sv)
JP (1) JPS5836754B2 (sv)
AU (1) AU512755B2 (sv)
BE (1) BE860936A (sv)
CH (1) CH625889A5 (sv)
DE (1) DE2751676A1 (sv)
DK (1) DK512377A (sv)
ES (1) ES464263A1 (sv)
FR (1) FR2371675A1 (sv)
GB (1) GB1595437A (sv)
IT (1) IT1091098B (sv)
LU (1) LU78537A1 (sv)
NL (1) NL7712722A (sv)
SE (1) SE7712896L (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062396A3 (en) * 1981-03-26 1983-06-22 Environmental Products Corporation Aluminium can detector
GB2158240B (en) * 1984-04-26 1988-01-27 Standard Telephones Cables Ltd A null-balanced proximity sensor
US4968979A (en) * 1985-04-19 1990-11-06 Omron Tateisi Electronics Co. Vehicle detecting system
JPS61245299A (ja) * 1985-04-22 1986-10-31 オムロン株式会社 路車間通信機能付き車両感知器
JP2587746B2 (ja) * 1992-02-28 1997-03-05 株式会社本田電子技研 車両検知器
US5426363A (en) * 1993-04-26 1995-06-20 Kabushiki Kaisha Honda Denshi Giken Object detecting device
US5877705A (en) * 1997-04-22 1999-03-02 Nu-Metrics, Inc. Method and apparatus for analyzing traffic and a sensor therefor
US6166660A (en) * 1999-09-15 2000-12-26 Grenier; Frank Driveway alarm system
JP2003099125A (ja) * 2001-09-26 2003-04-04 Matsushita Electric Ind Co Ltd 電磁波マーカと電磁波マーカシステム
US7102244B2 (en) * 2002-10-03 2006-09-05 Hunter Jr John P Vehicle actuated road imbedded magneto generator
WO2004083897A1 (ja) * 2003-02-19 2004-09-30 Sumitomo Electric Industries, Ltd. 車両検知システム
DE102010004584A1 (de) 2009-12-30 2011-07-07 Ebinger, Klaus, 51149 Detektorsonde
JP6273095B2 (ja) * 2013-03-29 2018-01-31 大阪瓦斯株式会社 埋設管探知装置の受信器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4120599B1 (en) * 1962-09-12 1966-12-01 Rca Corp Detection apparatus
FR1391839A (fr) * 1964-01-15 1965-03-12 Silec Liaisons Elec Procédé et dispositif pour déceler le passage d'un mobile
JPS4122507Y1 (sv) * 1964-06-24 1966-11-10
US3825889A (en) * 1971-03-18 1974-07-23 Canoga Controls Corp Vehicle detection system
FR2170865B1 (sv) * 1972-02-04 1974-12-13 Trt Telecom Radio Electr
US3906436A (en) * 1973-02-08 1975-09-16 Sumitomo Electric Industries Detection system for the location of moving objects
US3818430A (en) * 1973-04-30 1974-06-18 United Aircraft Corp Traffic detector using balun transformer phase detector
US3911389A (en) * 1974-03-21 1975-10-07 Us Transport Magnetic gradient vehicle detector
FR2327556A1 (fr) * 1975-10-07 1977-05-06 Thomson Csf Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere

Also Published As

Publication number Publication date
AU3073277A (en) 1979-05-24
IT1091098B (it) 1985-06-26
CH625889A5 (sv) 1981-10-15
SE7712896L (sv) 1978-05-20
US4232285A (en) 1980-11-04
JPS5367460A (en) 1978-06-15
FR2371675A1 (fr) 1978-06-16
ES464263A1 (es) 1978-07-01
DK512377A (da) 1978-05-20
GB1595437A (en) 1981-08-12
NL7712722A (nl) 1978-05-23
FR2371675B1 (sv) 1982-12-31
DE2751676A1 (de) 1978-05-24
AU512755B2 (en) 1980-10-23
JPS5836754B2 (ja) 1983-08-11
LU78537A1 (sv) 1978-03-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THOMSON-CSF

Effective date: 19851130