GB1304393A - - Google Patents

Info

Publication number
GB1304393A
GB1304393A GB1716970A GB1716970A GB1304393A GB 1304393 A GB1304393 A GB 1304393A GB 1716970 A GB1716970 A GB 1716970A GB 1716970 A GB1716970 A GB 1716970A GB 1304393 A GB1304393 A GB 1304393A
Authority
GB
United Kingdom
Prior art keywords
earth
positive
coils
negative
metallic mass
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
GB1716970A
Other languages
English (en)
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 filed Critical
Publication of GB1304393A publication Critical patent/GB1304393A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—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)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
GB1716970A 1969-04-10 1970-04-10 Expired GB1304393A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1304393A true GB1304393A (enrdf_load_stackoverflow) 1973-01-24

Family

ID=9032161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716970A Expired GB1304393A (enrdf_load_stackoverflow) 1969-04-10 1970-04-10

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055030A (en) * 1979-07-31 1981-02-18 Matsushita Electric Ind Co Ltd Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil
EP0040904B1 (en) * 1980-04-04 1987-01-28 Darcy Gabriele Planetary gear assembly and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665543B1 (fr) * 1990-08-02 1993-02-19 Lethiec Philippe Capteur de champ magnetique a haute sensibilite.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055030A (en) * 1979-07-31 1981-02-18 Matsushita Electric Ind Co Ltd Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil
US4447691A (en) * 1979-07-31 1984-05-08 Matsushita Electric Industrial Company, Limited Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil
EP0040904B1 (en) * 1980-04-04 1987-01-28 Darcy Gabriele Planetary gear assembly and application thereof

Also Published As

Publication number Publication date
BE748090A (fr) 1970-09-28
SE357834B (enrdf_load_stackoverflow) 1973-07-09
FR2063091B1 (enrdf_load_stackoverflow) 1973-03-16
DE2016662A1 (de) 1970-10-15
CH514903A (fr) 1971-10-31
NL7005080A (enrdf_load_stackoverflow) 1970-10-13
LU60610A1 (enrdf_load_stackoverflow) 1970-09-28
FR2063091A1 (enrdf_load_stackoverflow) 1971-07-09

Similar Documents

Publication Publication Date Title
GB1444618A (en) Ground fault detectors
GB1381307A (en) Method for the measurement of direct currents with floating input and direct time indication
GB1226591A (enrdf_load_stackoverflow)
GB1215918A (en) Pulse generators
GB1304393A (enrdf_load_stackoverflow)
GB1113402A (en) Electric motor construction
ES401389A2 (es) Un dispositivo protector de corriente alterna.
GB1240385A (en) Improvements in or relating to waveform measuring
GB966766A (en) An arrangement for providing a measure of the magnet wheel angle of a synchronous generator
FR78252E (fr) Perfectionnements aux méthodes de mesures des champs magnétiques faibles par induction nucléaire
FR2328202A1 (fr) Procede et dispositif pour la detection d'une premagnetisation
GB1259997A (en) Method and device for modulating or stabilizing a neutron flux obtained from an ion accelerator
FR2350585A1 (fr) Debitmetre a induction
GB1003872A (en) A magnetic field detecting device
GB945866A (en) Improvements in or relating to road traffic detection systems
GB1195119A (en) Charge Density Meter.
GB1154825A (en) A method of, and a device for, Determining the Isotope Content of a Uranium Component
GB1270821A (en) Ferromagnetic metal detector
GB1280145A (en) Improvements in or relating to detection of submarine objects
GB934901A (en) Blocking oscillator comparator
GB833712A (en) Improvements in or relating to systems for detecting relative movements using ferro-resonant systems
FR84811E (fr) Perfectionnements aux méthodes de mesure des champs magnétiques faibles par induction nucléaire
GB1133789A (en) Improvements in or relating to neutron flux detectors
SU1160346A1 (ru) Устройство для каротажа магнитной восприимчивости
CA662673A (en) Methods of measuring weak magnetic fields by nuclear induction

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee