CH514903A - Apparatus for detecting the proximity of a metal mass, in particular of an automobile - Google Patents

Apparatus for detecting the proximity of a metal mass, in particular of an automobile

Info

Publication number
CH514903A
CH514903A CH520170A CH520170A CH514903A CH 514903 A CH514903 A CH 514903A CH 520170 A CH520170 A CH 520170A CH 520170 A CH520170 A CH 520170A CH 514903 A CH514903 A CH 514903A
Authority
CH
Switzerland
Prior art keywords
proximity
automobile
detecting
metal mass
mass
Prior art date
Application number
CH520170A
Other languages
French (fr)
Inventor
Bringuier Jean
Original Assignee
Dassault Electronique
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 Dassault Electronique filed Critical Dassault Electronique
Publication of CH514903A publication Critical patent/CH514903A/en

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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G01R33/045—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle in single-, or multi-aperture elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
CH520170A 1969-04-10 1970-04-08 Apparatus for detecting the proximity of a metal mass, in particular of an automobile CH514903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6911029A FR2063091B1 (en) 1969-04-10 1969-04-10

Publications (1)

Publication Number Publication Date
CH514903A true CH514903A (en) 1971-10-31

Family

ID=9032161

Family Applications (1)

Application Number Title Priority Date Filing Date
CH520170A CH514903A (en) 1969-04-10 1970-04-08 Apparatus for detecting the proximity of a metal mass, in particular of an automobile

Country Status (8)

Country Link
BE (1) BE748090A (en)
CH (1) CH514903A (en)
DE (1) DE2016662A1 (en)
FR (1) FR2063091B1 (en)
GB (1) GB1304393A (en)
LU (1) LU60610A1 (en)
NL (1) NL7005080A (en)
SE (1) SE357834B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU521875B2 (en) * 1979-07-31 1982-05-06 Matsushita Electric Industrial Co., Ltd. Induction heating
DE3175879D1 (en) * 1980-04-04 1987-03-05 Darcy Gabriele Planetary gear assembly and application thereof
FR2665543B1 (en) * 1990-08-02 1993-02-19 Lethiec Philippe HIGH SENSITIVITY MAGNETIC FIELD SENSOR.

Also Published As

Publication number Publication date
FR2063091B1 (en) 1973-03-16
DE2016662A1 (en) 1970-10-15
NL7005080A (en) 1970-10-13
SE357834B (en) 1973-07-09
GB1304393A (en) 1973-01-24
FR2063091A1 (en) 1971-07-09
LU60610A1 (en) 1970-09-28
BE748090A (en) 1970-09-28

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Legal Events

Date Code Title Description
PL Patent ceased