FR2657696B1 - Dispositif de detection de corps metalliques, en particulier de fines particules. - Google Patents

Dispositif de detection de corps metalliques, en particulier de fines particules.

Info

Publication number
FR2657696B1
FR2657696B1 FR9001197A FR9001197A FR2657696B1 FR 2657696 B1 FR2657696 B1 FR 2657696B1 FR 9001197 A FR9001197 A FR 9001197A FR 9001197 A FR9001197 A FR 9001197A FR 2657696 B1 FR2657696 B1 FR 2657696B1
Authority
FR
France
Prior art keywords
fine particles
metal bodies
detecting metal
particular fine
detecting
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
FR9001197A
Other languages
English (en)
Other versions
FR2657696A1 (fr
Inventor
Krzakala Gerard
Roger
Zaloylo Guy
Zasadzinski Michel
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR9001197A priority Critical patent/FR2657696B1/fr
Publication of FR2657696A1 publication Critical patent/FR2657696A1/fr
Application granted granted Critical
Publication of FR2657696B1 publication Critical patent/FR2657696B1/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
    • G01V3/08—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

  • 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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR9001197A 1990-02-01 1990-02-01 Dispositif de detection de corps metalliques, en particulier de fines particules. Expired - Fee Related FR2657696B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9001197A FR2657696B1 (fr) 1990-02-01 1990-02-01 Dispositif de detection de corps metalliques, en particulier de fines particules.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9001197A FR2657696B1 (fr) 1990-02-01 1990-02-01 Dispositif de detection de corps metalliques, en particulier de fines particules.

Publications (2)

Publication Number Publication Date
FR2657696A1 FR2657696A1 (fr) 1991-08-02
FR2657696B1 true FR2657696B1 (fr) 1992-07-24

Family

ID=9393323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9001197A Expired - Fee Related FR2657696B1 (fr) 1990-02-01 1990-02-01 Dispositif de detection de corps metalliques, en particulier de fines particules.

Country Status (1)

Country Link
FR (1) FR2657696B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10003562A1 (de) * 2000-01-27 2001-08-16 Commodas Gmbh Vorrichtung und Verfahren zum Aussortieren von metallischen Fraktionen aus einem Schüttgutstrom
GB2361544B (en) 2000-04-20 2004-07-07 Goring Kerr Ltd Metal detector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1648855A1 (de) * 1966-12-24 1971-07-29 Barringer Research Ltd Anordnung zur Messung der Menge leitfaehiger Anteile in einem Stoff,insbesondere in Erz
GB1510103A (en) * 1974-03-19 1978-05-10 Agfa Gevaert Metallic particle detection apparatus
FR2281578A1 (fr) * 1974-08-07 1976-03-05 Texas Instruments France Detecteur de proximite
DE2532328A1 (de) * 1975-07-19 1977-02-03 Hochtemperatur Reaktorbau Gmbh Verfahren und einrichtung zur erfassung von koerpern aus elektrisch leitendem material
JPS62299755A (ja) * 1986-06-20 1987-12-26 Nitto Gurasufuaibaa Kogyo Kk ガラス繊維中の導電性物質の検出方法及び検出装置

Also Published As

Publication number Publication date
FR2657696A1 (fr) 1991-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse