FR2478325B1 - - Google Patents

Info

Publication number
FR2478325B1
FR2478325B1 FR8005735A FR8005735A FR2478325B1 FR 2478325 B1 FR2478325 B1 FR 2478325B1 FR 8005735 A FR8005735 A FR 8005735A FR 8005735 A FR8005735 A FR 8005735A FR 2478325 B1 FR2478325 B1 FR 2478325B1
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
FR8005735A
Other languages
French (fr)
Other versions
FR2478325A1 (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.)
PSA GIE RECH DEV
Original Assignee
PSA GIE RECH DEV
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 PSA GIE RECH DEV filed Critical PSA GIE RECH DEV
Priority to FR8005735A priority Critical patent/FR2478325A1/fr
Publication of FR2478325A1 publication Critical patent/FR2478325A1/fr
Application granted granted Critical
Publication of FR2478325B1 publication Critical patent/FR2478325B1/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
    • 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

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)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
FR8005735A 1980-03-14 1980-03-14 Detecteur de proximite Granted FR2478325A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8005735A FR2478325A1 (fr) 1980-03-14 1980-03-14 Detecteur de proximite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8005735A FR2478325A1 (fr) 1980-03-14 1980-03-14 Detecteur de proximite

Publications (2)

Publication Number Publication Date
FR2478325A1 FR2478325A1 (fr) 1981-09-18
FR2478325B1 true FR2478325B1 (show.php) 1984-05-25

Family

ID=9239674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005735A Granted FR2478325A1 (fr) 1980-03-14 1980-03-14 Detecteur de proximite

Country Status (1)

Country Link
FR (1) FR2478325A1 (show.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021737A (en) * 1989-03-02 1991-06-04 Bently Nevada Corporation Proximity sensor resistant to axial and torsional forces

Also Published As

Publication number Publication date
FR2478325A1 (fr) 1981-09-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse