FR2720840B1 - Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés. - Google Patents

Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés.

Info

Publication number
FR2720840B1
FR2720840B1 FR9406770A FR9406770A FR2720840B1 FR 2720840 B1 FR2720840 B1 FR 2720840B1 FR 9406770 A FR9406770 A FR 9406770A FR 9406770 A FR9406770 A FR 9406770A FR 2720840 B1 FR2720840 B1 FR 2720840B1
Authority
FR
France
Prior art keywords
transmitting
transmission
methods
electromagnetic field
large range
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 - Fee Related
Application number
FR9406770A
Other languages
English (en)
Other versions
FR2720840A1 (fr
Inventor
Olivier Bardot
Marina Epouse Bardot Fructus
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9406770A priority Critical patent/FR2720840B1/fr
Publication of FR2720840A1 publication Critical patent/FR2720840A1/fr
Application granted granted Critical
Publication of FR2720840B1 publication Critical patent/FR2720840B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR9406770A 1994-06-02 1994-06-02 Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés. Expired - Fee Related FR2720840B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9406770A FR2720840B1 (fr) 1994-06-02 1994-06-02 Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406770A FR2720840B1 (fr) 1994-06-02 1994-06-02 Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés.

Publications (2)

Publication Number Publication Date
FR2720840A1 FR2720840A1 (fr) 1995-12-08
FR2720840B1 true FR2720840B1 (fr) 1996-09-20

Family

ID=9463820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9406770A Expired - Fee Related FR2720840B1 (fr) 1994-06-02 1994-06-02 Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés.

Country Status (1)

Country Link
FR (1) FR2720840B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9909040D0 (en) 1999-04-20 1999-06-16 Flight Refueling Ltd Systems and methods for locating subsurface objects

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263160A (en) * 1962-11-28 1966-07-26 Newmont Mining Corp Time domain electromagnetic induction method and apparatus for detection of massive sulfide ore bodies utilizing pulses of asymmetric waveform
JPS4731652A (fr) * 1966-02-22 1972-11-13
CA1064584A (fr) * 1977-01-04 1979-10-16 Barringer Research Limited Generateur d'impulsions utilisant un circuit l-c pour exciter une bobine
CA1133058A (fr) * 1982-02-18 1982-10-05 Geonics Limited Systeme electromagnetique de prospection geophysique
FR2586302B1 (fr) * 1985-08-13 1988-02-12 Commissariat Energie Atomique Procede pour localiser un objet et determiner son orientation dans l'espace et dispositif de mise en oeuvre
GB9018660D0 (en) * 1990-08-24 1990-10-10 Imperial College Probe system

Also Published As

Publication number Publication date
FR2720840A1 (fr) 1995-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse