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)
  • 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)
GB1716970A 1969-04-10 1970-04-10 Expired GB1304393A (US20100223739A1-20100909-C00005.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6911029A FR2063091B1 (US20100223739A1-20100909-C00005.png) 1969-04-10 1969-04-10

Publications (1)

Publication Number Publication Date
GB1304393A true GB1304393A (US20100223739A1-20100909-C00005.png) 1973-01-24

Family

ID=9032161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716970A Expired GB1304393A (US20100223739A1-20100909-C00005.png) 1969-04-10 1970-04-10

Country Status (8)

Country Link
BE (1) BE748090A (US20100223739A1-20100909-C00005.png)
CH (1) CH514903A (US20100223739A1-20100909-C00005.png)
DE (1) DE2016662A1 (US20100223739A1-20100909-C00005.png)
FR (1) FR2063091B1 (US20100223739A1-20100909-C00005.png)
GB (1) GB1304393A (US20100223739A1-20100909-C00005.png)
LU (1) LU60610A1 (US20100223739A1-20100909-C00005.png)
NL (1) NL7005080A (US20100223739A1-20100909-C00005.png)
SE (1) SE357834B (US20100223739A1-20100909-C00005.png)

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
EP0040904A2 (en) * 1980-04-04 1981-12-02 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 (4)

* 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
EP0040904A2 (en) * 1980-04-04 1981-12-02 Darcy Gabriele Planetary gear assembly and application thereof
EP0040904B1 (en) * 1980-04-04 1987-01-28 Darcy Gabriele Planetary gear assembly and application thereof

Also Published As

Publication number Publication date
SE357834B (US20100223739A1-20100909-C00005.png) 1973-07-09
NL7005080A (US20100223739A1-20100909-C00005.png) 1970-10-13
FR2063091B1 (US20100223739A1-20100909-C00005.png) 1973-03-16
BE748090A (fr) 1970-09-28
FR2063091A1 (US20100223739A1-20100909-C00005.png) 1971-07-09
CH514903A (fr) 1971-10-31
LU60610A1 (US20100223739A1-20100909-C00005.png) 1970-09-28
DE2016662A1 (de) 1970-10-15

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Legal Events

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