JP4439913B2 - 金属検出装置 - Google Patents

金属検出装置 Download PDF

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Publication number
JP4439913B2
JP4439913B2 JP2003536773A JP2003536773A JP4439913B2 JP 4439913 B2 JP4439913 B2 JP 4439913B2 JP 2003536773 A JP2003536773 A JP 2003536773A JP 2003536773 A JP2003536773 A JP 2003536773A JP 4439913 B2 JP4439913 B2 JP 4439913B2
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Japan
Prior art keywords
coil
coils
output signal
metal object
metal
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Japanese (ja)
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JP2005505394A5 (enExample
JP2005505394A (ja
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キーネ，マーク・ニコラス
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キネテイツク・リミテツド
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    • 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
    • G01V3/107—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 using compensating coil or loop arrangements

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP2003536773A 2001-10-17 2002-09-23 金属検出装置 Expired - Fee Related JP4439913B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0124887.1A GB0124887D0 (en) 2001-10-17 2001-10-17 Metal detection apparatus
PCT/GB2002/004313 WO2003034095A1 (en) 2001-10-17 2002-09-23 Metal detection apparatus

Publications (3)

Publication Number Publication Date
JP2005505394A JP2005505394A (ja) 2005-02-24
JP2005505394A5 JP2005505394A5 (enExample) 2005-12-22
JP4439913B2 true JP4439913B2 (ja) 2010-03-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003536773A Expired - Fee Related JP4439913B2 (ja) 2001-10-17 2002-09-23 金属検出装置

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US (1) US7414404B2 (enExample)
EP (1) EP1436644B1 (enExample)
JP (1) JP4439913B2 (enExample)
GB (1) GB0124887D0 (enExample)
WO (1) WO2003034095A1 (enExample)

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Also Published As

Publication number Publication date
EP1436644B1 (en) 2019-03-13
US20040260174A1 (en) 2004-12-23
WO2003034095A1 (en) 2003-04-24
GB0124887D0 (en) 2001-12-05
JP2005505394A (ja) 2005-02-24
EP1436644A1 (en) 2004-07-14
US7414404B2 (en) 2008-08-19

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