DE2544844A1 - Metalldetektor - Google Patents

Metalldetektor

Info

Publication number
DE2544844A1
DE2544844A1 DE19752544844 DE2544844A DE2544844A1 DE 2544844 A1 DE2544844 A1 DE 2544844A1 DE 19752544844 DE19752544844 DE 19752544844 DE 2544844 A DE2544844 A DE 2544844A DE 2544844 A1 DE2544844 A1 DE 2544844A1
Authority
DE
Germany
Prior art keywords
signal
oscillator
amplitude
proximity detector
magnetic proximity
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.)
Withdrawn
Application number
DE19752544844
Other languages
German (de)
English (en)
Inventor
Pierre Rothenburger
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.)
TDK Micronas GmbH
Original Assignee
Deutsche ITT Industries GmbH
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 Deutsche ITT Industries GmbH filed Critical Deutsche ITT Industries GmbH
Publication of DE2544844A1 publication Critical patent/DE2544844A1/de
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE19752544844 1974-10-10 1975-10-07 Metalldetektor Withdrawn DE2544844A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434074A FR2287676A1 (fr) 1974-10-10 1974-10-10 Detecteur magnetique de proximite d'objets metalliques

Publications (1)

Publication Number Publication Date
DE2544844A1 true DE2544844A1 (de) 1976-04-22

Family

ID=9143925

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752544844 Withdrawn DE2544844A1 (de) 1974-10-10 1975-10-07 Metalldetektor

Country Status (2)

Country Link
DE (1) DE2544844A1 (https=)
FR (1) FR2287676A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004106968A1 (de) * 2003-05-28 2004-12-09 Siegfried Stauber Material-detektoreinrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473700A1 (fr) * 1980-01-11 1981-07-17 Jaeger Capteur de proximite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004106968A1 (de) * 2003-05-28 2004-12-09 Siegfried Stauber Material-detektoreinrichtung

Also Published As

Publication number Publication date
FR2287676A1 (fr) 1976-05-07
FR2287676B3 (https=) 1977-07-22

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination