FR2290653B3 - - Google Patents

Info

Publication number
FR2290653B3
FR2290653B3 FR7436906A FR7436906A FR2290653B3 FR 2290653 B3 FR2290653 B3 FR 2290653B3 FR 7436906 A FR7436906 A FR 7436906A FR 7436906 A FR7436906 A FR 7436906A FR 2290653 B3 FR2290653 B3 FR 2290653B3
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
FR7436906A
Other languages
French (fr)
Other versions
FR2290653A1 (fr
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.)
Societe des Produits Industriels ITT SA
Original Assignee
Societe des Produits Industriels ITT SA
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 Societe des Produits Industriels ITT SA filed Critical Societe des Produits Industriels ITT SA
Priority to FR7436906A priority Critical patent/FR2290653A1/fr
Priority to DE19752549274 priority patent/DE2549274A1/de
Publication of FR2290653A1 publication Critical patent/FR2290653A1/fr
Application granted granted Critical
Publication of FR2290653B3 publication Critical patent/FR2290653B3/fr
Granted 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
    • G01V3/08—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
    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • G01V3/102—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
FR7436906A 1974-11-07 1974-11-07 Detecteur capacitif de proximite d'objets de toute nature Granted FR2290653A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7436906A FR2290653A1 (fr) 1974-11-07 1974-11-07 Detecteur capacitif de proximite d'objets de toute nature
DE19752549274 DE2549274A1 (de) 1974-11-07 1975-11-04 Kapazitiver annaeherungsdetektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7436906A FR2290653A1 (fr) 1974-11-07 1974-11-07 Detecteur capacitif de proximite d'objets de toute nature

Publications (2)

Publication Number Publication Date
FR2290653A1 FR2290653A1 (fr) 1976-06-04
FR2290653B3 true FR2290653B3 (ru) 1977-08-05

Family

ID=9144735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436906A Granted FR2290653A1 (fr) 1974-11-07 1974-11-07 Detecteur capacitif de proximite d'objets de toute nature

Country Status (2)

Country Link
DE (1) DE2549274A1 (ru)
FR (1) FR2290653A1 (ru)

Also Published As

Publication number Publication date
FR2290653A1 (fr) 1976-06-04
DE2549274A1 (de) 1976-05-13

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