FR2049608A5 - - Google Patents

Info

Publication number
FR2049608A5
FR2049608A5 FR6919800A FR6919800A FR2049608A5 FR 2049608 A5 FR2049608 A5 FR 2049608A5 FR 6919800 A FR6919800 A FR 6919800A FR 6919800 A FR6919800 A FR 6919800A FR 2049608 A5 FR2049608 A5 FR 2049608A5
Authority
FR
France
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
FR6919800A
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.)
ELECTRONIC SENSING PRODU
Original Assignee
ELECTRONIC SENSING PRODU
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 ELECTRONIC SENSING PRODU filed Critical ELECTRONIC SENSING PRODU
Priority to FR6919800A priority Critical patent/FR2049608A5/fr
Application granted granted Critical
Publication of FR2049608A5 publication Critical patent/FR2049608A5/fr
Expired 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
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • 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
    • G01V3/107—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 using compensating coil or loop arrangements

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
FR6919800A 1969-06-13 1969-06-13 Expired FR2049608A5 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6919800A FR2049608A5 (fr) 1969-06-13 1969-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6919800A FR2049608A5 (fr) 1969-06-13 1969-06-13

Publications (1)

Publication Number Publication Date
FR2049608A5 true FR2049608A5 (fr) 1971-03-26

Family

ID=9035732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6919800A Expired FR2049608A5 (fr) 1969-06-13 1969-06-13

Country Status (1)

Country Link
FR (1) FR2049608A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667952A1 (fr) * 1990-10-15 1992-04-17 Plymouth Francaise Sa Dispositif pour la detection, l'identification et le suivi de canalisations enterrees ou autres objets optiquement invisibles.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667952A1 (fr) * 1990-10-15 1992-04-17 Plymouth Francaise Sa Dispositif pour la detection, l'identification et le suivi de canalisations enterrees ou autres objets optiquement invisibles.

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Legal Events

Date Code Title Description
ST Notification of lapse