AU2825299A - Metal detector - Google Patents

Metal detector

Info

Publication number
AU2825299A
AU2825299A AU28252/99A AU2825299A AU2825299A AU 2825299 A AU2825299 A AU 2825299A AU 28252/99 A AU28252/99 A AU 28252/99A AU 2825299 A AU2825299 A AU 2825299A AU 2825299 A AU2825299 A AU 2825299A
Authority
AU
Australia
Prior art keywords
metal detector
detector
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.)
Abandoned
Application number
AU28252/99A
Inventor
Peter Adolphs
Gunther Elster
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.)
SAP South Asian Pacific Co Ltd
Original Assignee
SAP South Asian Pacific Co Ltd
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 SAP South Asian Pacific Co Ltd filed Critical SAP South Asian Pacific Co Ltd
Publication of AU2825299A publication Critical patent/AU2825299A/en
Abandoned 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)
  • Geophysics And Detection Of Objects (AREA)
AU28252/99A 1998-02-03 1999-01-28 Metal detector Abandoned AU2825299A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1998103957 DE19803957C1 (en) 1998-02-03 1998-02-03 Metal detector and method for detecting a metallic object
DE19803957 1998-02-03
PCT/DE1999/000261 WO1999040456A1 (en) 1998-02-03 1999-01-28 Metal detector

Publications (1)

Publication Number Publication Date
AU2825299A true AU2825299A (en) 1999-08-23

Family

ID=7856360

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28252/99A Abandoned AU2825299A (en) 1998-02-03 1999-01-28 Metal detector

Country Status (3)

Country Link
AU (1) AU2825299A (en)
DE (1) DE19803957C1 (en)
WO (1) WO1999040456A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG82655A1 (en) * 1999-11-12 2001-08-21 Aida Eng Ltd Metal object detecting device
GB0000566D0 (en) * 2000-01-12 2000-03-01 Willett Int Ltd Apparatus and method
DE10157770C1 (en) * 2001-11-27 2002-11-07 Mustafa Uzman Metal detector with increased operating efficiency due to provision of a voltage tap between the driving oscillator circuit and the transmitter coil so that magnetic field strength can be optimized
DE10261258B4 (en) * 2002-12-27 2007-04-05 Klaus Ebinger Method for detecting metal objects and metal detector
DE10332395A1 (en) * 2003-07-17 2005-02-24 Maschinenfabrik Bernard Krone Gmbh harvester

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2157824A1 (en) * 1971-11-22 1973-05-30 Harro Dipl Ing Mueller DEVICE FOR DETECTION OF MOVING METAL PARTS
US3896371A (en) * 1973-12-17 1975-07-22 Allen W Hametta Metal detector with a resonating circuit being driven by a frequency higher than its natural resonance frequency
US4323847A (en) * 1979-06-11 1982-04-06 Triple Dee Electronics Inc. Oscillator type metal detector with switch controlled fixed biasing
US4359686A (en) * 1980-06-30 1982-11-16 Kenneth Wherry Metal detection apparatus with basket
US4638262A (en) * 1984-03-09 1987-01-20 Omron Tateisi Electronics Co. Proximity switch with improved response time and antimagnetic field circuitry
DE3538228A1 (en) * 1985-10-24 1987-06-04 Klaus Ebinger METHOD FOR SEARCHING AND LOCATING INHOMOGENITIES, AND CIRCUIT ARRANGEMENT FOR CARRYING OUT THIS METHOD
DE29510304U1 (en) * 1995-06-24 1995-09-07 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG, 72766 Reutlingen Support and guide handle for search devices or the like.
DE19648120A1 (en) * 1996-03-26 1997-10-02 Vallon Gmbh Underground object locating method
DE19626363A1 (en) * 1996-07-01 1998-01-08 Klaus Ebinger Metal detector and method for operating a metal detector

Also Published As

Publication number Publication date
WO1999040456A1 (en) 1999-08-12
DE19803957C1 (en) 1999-10-14

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase