ATE364187T1 - Induktiver messkopf für metalldetektoren - Google Patents

Induktiver messkopf für metalldetektoren

Info

Publication number
ATE364187T1
ATE364187T1 AT99308054T AT99308054T ATE364187T1 AT E364187 T1 ATE364187 T1 AT E364187T1 AT 99308054 T AT99308054 T AT 99308054T AT 99308054 T AT99308054 T AT 99308054T AT E364187 T1 ATE364187 T1 AT E364187T1
Authority
AT
Austria
Prior art keywords
sense coils
coils
field coil
diameter
field
Prior art date
Application number
AT99308054T
Other languages
English (en)
Inventor
Roger Golder
Philip Jones
Original Assignee
Hilti Ag
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 Hilti Ag filed Critical Hilti Ag
Application granted granted Critical
Publication of ATE364187T1 publication Critical patent/ATE364187T1/de

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
    • G01V3/108—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 the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other

Landscapes

  • 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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
AT99308054T 1999-10-13 1999-10-13 Induktiver messkopf für metalldetektoren ATE364187T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99308054A EP1092989B1 (de) 1999-10-13 1999-10-13 Induktiver Messkopf für Metalldetektoren

Publications (1)

Publication Number Publication Date
ATE364187T1 true ATE364187T1 (de) 2007-06-15

Family

ID=8241670

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99308054T ATE364187T1 (de) 1999-10-13 1999-10-13 Induktiver messkopf für metalldetektoren

Country Status (7)

Country Link
US (1) US6437573B1 (de)
EP (1) EP1092989B1 (de)
JP (1) JP4546633B2 (de)
AT (1) ATE364187T1 (de)
CA (1) CA2321949C (de)
DE (1) DE69936262T2 (de)
ES (1) ES2286872T3 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60130890T2 (de) * 2001-09-26 2008-08-14 Hilti Ag Induktive Sensoranordnung und Verfahren zur Erfassung von eisernen Objekten
JP3572460B2 (ja) * 2002-01-17 2004-10-06 マークテック株式会社 渦流探傷用プローブ
US7332901B2 (en) * 2005-04-15 2008-02-19 Seektech, Inc. Locator with apparent depth indication
US7559759B2 (en) * 2004-07-20 2009-07-14 Irwin Research And Development, Inc. Trim press having an article ejector, article ejecting device with linear drive mechanism, and method
US7701204B2 (en) * 2004-09-15 2010-04-20 Allan Westersten Metal detector with reliable identification of ferrous and non-ferrous metals in soils with varying mineral content
WO2006036752A2 (en) * 2004-09-22 2006-04-06 Quasar Federal Systems, Inc. Passive magnetic detection system for security screening
DE102004047190A1 (de) 2004-09-29 2006-04-06 Robert Bosch Gmbh Detektor zur Ortung metallischer Objekte
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
DE102004047188B4 (de) 2004-09-29 2022-10-27 Robert Bosch Gmbh Vorrichtung zur Ortung metallischer Objekte
GB2423366B (en) * 2005-02-16 2010-02-24 Cintex Ltd Metal detector
DE102005019239A1 (de) * 2005-04-26 2006-11-09 Hilti Ag Detektor für eingebettete längliche Objekte
DE102005061868A1 (de) * 2005-12-23 2007-07-05 Robert Bosch Gmbh Vorrichtung zur Bestimmung eines Gegenstands, insbesondere Ortungsgerät und Materialerkennungsgerät
US7622916B2 (en) * 2006-12-20 2009-11-24 Schlumberger Technology Corporation Detector
US7999550B2 (en) * 2007-09-28 2011-08-16 The Regents Of The University Of California Multi-sensor system for the detection and characterization of unexploded ordnance
DE102009010943A1 (de) 2009-02-27 2010-09-16 Hilti Aktiengesellschaft Betriebsverfahren und Spulenanordnung für einen magnetischen Sensor zur Detektion metallischer Objekte in einem Untergrund
DE102009021804A1 (de) * 2009-05-18 2010-11-25 Gerd Reime Metalldetektor
CN101881838A (zh) * 2010-06-23 2010-11-10 尹武良 一种基于电磁传感器的食品内危险物品的测量装置与方法
WO2012045578A1 (en) 2010-10-07 2012-04-12 Mettlert-Toledo Safeline Limited Method for operating a metal detection system and metal detection system
EP2439560B1 (de) 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Verfahren für den Betrieb eines Metalldetektionssystems und Metalldetektionssystem
EP2439559B1 (de) 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Verfahren für den Betrieb eines Metalldetektionssystems und Metalldetektionssystem
DE102011107771B4 (de) * 2011-04-15 2013-10-17 Micro-Epsilon Messtechnik Gmbh & Co. Kg Vorrichtung und Verfahren zur Dickenmessung eines Messobjekts
GB2481482B (en) * 2011-04-27 2012-06-20 Univ Manchester Improvements in sensors
US9018935B2 (en) 2011-09-19 2015-04-28 Mettler-Toledo Safeline Limited Method for operating a metal detection apparatus and apparatus
US9172225B2 (en) 2011-09-22 2015-10-27 Labor Saving Systems, Ltd. Induction-based reference point locator
US8970219B2 (en) * 2012-05-17 2015-03-03 Louis Marlo Nel Search coil assembly and system for metal detection
US10573453B2 (en) * 2014-06-19 2020-02-25 Texas Instruments Incorporated Position sensing using coil sensor
EP3002614B1 (de) * 2014-10-03 2021-02-24 Cable Detection Limited Erdeinbaudetektion
CN105182448B (zh) * 2015-07-29 2018-04-24 金华马卡科技有限公司 一种用于定位物体的装置以及通过该装置进行物体定位的方法
CN106908845B (zh) * 2017-01-09 2019-04-19 重庆璀陆探测技术有限公司 电磁法勘查的一次场弱耦合接收装置及方法
CN106710855B (zh) * 2017-02-09 2024-06-04 东莞市华盾电子科技有限公司 通过式探测器的线圈结构及通过式探测器
CN106710856B (zh) * 2017-02-10 2024-06-07 东莞市华盾电子科技有限公司 通过式探测器的线圈结构及通过式探测器
CN108614032B (zh) * 2018-01-31 2022-06-21 江苏大学 一种基于改进神经网络的混凝土内部钢筋无损检测系统及控制方法
DE102020128013B4 (de) 2020-10-23 2024-05-29 Balluff Gmbh Spulenanordnung für eine Sensorvorrichtung zum Ermitteln einer Position eines Objekts entlang einer sensitiven Achse der Sensorvorrichtung

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* Cited by examiner, † Cited by third party
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US2807777A (en) * 1945-05-24 1957-09-24 Doll Henri-Georges Coil assembly for geophysical prospecting
US2680226A (en) * 1946-01-09 1954-06-01 Era Patents Ltd Location of conducting and/or magnetic bodies
US2489920A (en) * 1946-07-03 1949-11-29 Gen Electric Metal detector
US2546771A (en) * 1949-10-20 1951-03-27 Gen Electric Metal detector
US3742341A (en) * 1971-08-16 1973-06-26 Entex Ind Inc Inductively coupled metal detector arrangement
US3875502A (en) * 1973-05-24 1975-04-01 Foerster Inst Dr Friedrich Coil arrangement and circuit for eddy current testing
DE2509927C3 (de) * 1975-03-07 1980-08-14 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen Wirbelstromprüf spulenanordnung
JPS5420759A (en) * 1977-07-15 1979-02-16 Shimadzu Corp Metal detector
FR2418469A1 (fr) * 1978-02-24 1979-09-21 Cogema Sonde de mesure de la susceptibilite magnetique utilisant un enroulement de compensation
US4293816A (en) * 1979-07-09 1981-10-06 White's Electronics, Inc. Balanced search loop for metal detector
DE3567112D1 (en) * 1985-11-02 1989-02-02 Vallon Gmbh Metal detector for detecting metal objects
IT1200312B (it) * 1986-11-06 1989-01-12 Ansaldo Spa Dispositivo per la localizzazione di tondini annegati in cementi armati con alte densita di armatura
DE3705308A1 (de) * 1987-02-19 1988-09-01 Foerster Inst Dr Friedrich Induktives suchgeraet
JPH03233392A (ja) * 1990-02-09 1991-10-17 Nippon Telegr & Teleph Corp <Ntt> 金属物探知用電磁誘導センサ
JPH0634765A (ja) * 1992-07-15 1994-02-10 Fuji Electric Co Ltd 磁気マーカ読取識別装置の励磁コイル
US5689184A (en) * 1995-11-13 1997-11-18 Eastman Kodak Company Large scale metallic object detector
US5726628A (en) * 1996-05-06 1998-03-10 Gd Electronics, Inc. Metal detector system

Also Published As

Publication number Publication date
JP4546633B2 (ja) 2010-09-15
DE69936262D1 (de) 2007-07-19
ES2286872T3 (es) 2007-12-01
US6437573B1 (en) 2002-08-20
EP1092989B1 (de) 2007-06-06
CA2321949C (en) 2011-02-22
JP2001159685A (ja) 2001-06-12
EP1092989A1 (de) 2001-04-18
CA2321949A1 (en) 2001-04-13
DE69936262T2 (de) 2008-02-07

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