FR1493026A - Perfectionnements aux détecteurs de métaux - Google Patents

Perfectionnements aux détecteurs de métaux

Info

Publication number
FR1493026A
FR1493026A FR69103A FR69103A FR1493026A FR 1493026 A FR1493026 A FR 1493026A FR 69103 A FR69103 A FR 69103A FR 69103 A FR69103 A FR 69103A FR 1493026 A FR1493026 A FR 1493026A
Authority
FR
France
Prior art keywords
metal detectors
detectors
metal
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
Application number
FR69103A
Other languages
English (en)
French (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.)
Materiel Electromagnetique S I
Original Assignee
Materiel Electromagnetique S I
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 Materiel Electromagnetique S I filed Critical Materiel Electromagnetique S I
Priority to FR69103A priority Critical patent/FR1493026A/fr
Priority to GB3132567A priority patent/GB1187458A/en
Priority to DE1967S0061637 priority patent/DE1980303U/de
Priority to BE701246D priority patent/BE701246A/xx
Application granted granted Critical
Publication of FR1493026A publication Critical patent/FR1493026A/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
    • G01V3/08—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

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR69103A 1966-07-12 1966-07-12 Perfectionnements aux détecteurs de métaux Expired FR1493026A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR69103A FR1493026A (fr) 1966-07-12 1966-07-12 Perfectionnements aux détecteurs de métaux
GB3132567A GB1187458A (en) 1966-07-12 1967-07-07 Improvements in or relating to Apparatus for the Detection of Metals, Metallic Particles, Fragments or Articles
DE1967S0061637 DE1980303U (de) 1966-07-12 1967-07-10 Nachweisgeraet fuer metalle in einem anderen erzeugnis.
BE701246D BE701246A (de) 1966-07-12 1967-07-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69103A FR1493026A (fr) 1966-07-12 1966-07-12 Perfectionnements aux détecteurs de métaux

Publications (1)

Publication Number Publication Date
FR1493026A true FR1493026A (fr) 1967-08-25

Family

ID=8613060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69103A Expired FR1493026A (fr) 1966-07-12 1966-07-12 Perfectionnements aux détecteurs de métaux

Country Status (4)

Country Link
BE (1) BE701246A (de)
DE (1) DE1980303U (de)
FR (1) FR1493026A (de)
GB (1) GB1187458A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516250A1 (fr) * 1981-11-10 1983-05-13 Etude Dev Rech Indl Dispositif de detection de la presence d'objets dans des caisses fermees
FR2552888A1 (fr) * 1983-09-30 1985-04-05 Electroniques Meca Et Dispositif electronique pour la detection d'objets au moins en partie metalliques, a l'interieur d'un volume determine

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790048A (fr) * 1971-10-13 1973-02-01 Telemecanique Electrique Circuit oscillant pour detecteur de proximite
DE2227627C3 (de) * 1972-06-07 1979-01-04 Erhardt & Leimer Kg, 8900 Augsburg Abdeckung für das Spulensystem eines Metalldetektors
DE2524975C2 (de) * 1975-06-05 1985-08-08 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Einrichtung zur berührungslosen Messung des Abstandes zu elektrisch oder magnetisch leitenden Gegenständen
AU531499B2 (en) * 1978-09-08 1983-08-25 Orb Electrical Steels Limited An isotropic magnetising system
DE3448564C2 (de) * 1984-10-05 1997-04-24 Truetzschler Gmbh & Co Kg Vorrichtung zum Ermitteln von Fremdkörpern, wie Metallteilen o. dgl. für Textilfaserballen
DE3619308C1 (de) * 1986-06-07 1991-08-29 Klaus Ebinger Sonde fuer ein Metallsuchgeraet
DE102004047189A1 (de) 2004-09-29 2006-04-06 Robert Bosch Gmbh Sensor zur Ortung metallischer Objekte sowie Verfahren zur Auswertung von Messsignalen eines solchen Sensors
DE102011076865A1 (de) * 2011-06-01 2012-12-06 Bundesdruckerei Gmbh Sensorkarte und Verifikationsverfahren zur magnetischen und optischen Prüfung von Dokumenten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516250A1 (fr) * 1981-11-10 1983-05-13 Etude Dev Rech Indl Dispositif de detection de la presence d'objets dans des caisses fermees
FR2552888A1 (fr) * 1983-09-30 1985-04-05 Electroniques Meca Et Dispositif electronique pour la detection d'objets au moins en partie metalliques, a l'interieur d'un volume determine

Also Published As

Publication number Publication date
BE701246A (de) 1968-01-12
GB1187458A (en) 1970-04-08
DE1980303U (de) 1968-03-07

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