DE69613455D1 - Vielfachfrequenzverfahren und -anordnung zur Identifizierung von metallischen Objekten in einer Hintergrundumgebung - Google Patents

Vielfachfrequenzverfahren und -anordnung zur Identifizierung von metallischen Objekten in einer Hintergrundumgebung

Info

Publication number
DE69613455D1
DE69613455D1 DE69613455T DE69613455T DE69613455D1 DE 69613455 D1 DE69613455 D1 DE 69613455D1 DE 69613455 T DE69613455 T DE 69613455T DE 69613455 T DE69613455 T DE 69613455T DE 69613455 D1 DE69613455 D1 DE 69613455D1
Authority
DE
Germany
Prior art keywords
identification
arrangement
metallic objects
frequency method
background environment
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 - Lifetime
Application number
DE69613455T
Other languages
English (en)
Inventor
Donald K Shoemaker
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.)
Whites Electronics Inc
Original Assignee
Whites Electronics Inc
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 Whites Electronics Inc filed Critical Whites Electronics Inc
Application granted granted Critical
Publication of DE69613455D1 publication Critical patent/DE69613455D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE69613455T 1995-12-21 1996-11-29 Vielfachfrequenzverfahren und -anordnung zur Identifizierung von metallischen Objekten in einer Hintergrundumgebung Expired - Lifetime DE69613455D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/576,009 US5654638A (en) 1995-12-21 1995-12-21 Plural Frequency method and system for identifying metal objects in a background environment

Publications (1)

Publication Number Publication Date
DE69613455D1 true DE69613455D1 (de) 2001-07-26

Family

ID=24302608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69613455T Expired - Lifetime DE69613455D1 (de) 1995-12-21 1996-11-29 Vielfachfrequenzverfahren und -anordnung zur Identifizierung von metallischen Objekten in einer Hintergrundumgebung

Country Status (5)

Country Link
US (1) US5654638A (de)
EP (1) EP0780704B1 (de)
AU (1) AU701908B2 (de)
CA (1) CA2181430C (de)
DE (1) DE69613455D1 (de)

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DE19730952A1 (de) * 1997-07-18 1999-01-21 Klaus Ebinger Verfahren und Vorrichtung zur elektromagnetischen Detektion von Objekten
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US6285190B1 (en) * 1999-06-01 2001-09-04 Digital Control Incorporated Skin depth compensation in underground boring applications
WO2001071387A2 (en) * 2000-03-22 2001-09-27 The Johns Hopkins University Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets
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US6724191B1 (en) * 2000-05-09 2004-04-20 Admiralty Corporation Systems and methods useful for detecting presence and/or location of various materials
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US20040155651A1 (en) * 2003-02-12 2004-08-12 Britton Andrew Michael Flux control system for metal detectors
US7062414B2 (en) 2003-07-18 2006-06-13 Metrotech Corporation Method and apparatus for digital detection of electromagnetic signal strength and signal direction in metallic pipes and cables
US7834801B2 (en) 2003-11-25 2010-11-16 Metrotech Corporation, Inc. Sensor fusion for model-based detection in pipe and cable locator systems
US7113124B2 (en) 2003-11-25 2006-09-26 Metrotech Corporation, Inc. Centerline and depth locating method for non-metallic buried utility lines
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WO2006015310A2 (en) * 2004-07-29 2006-02-09 Metrotech Corporation, Inc. Sensor fusion for model-based detection in pipe and cable locator systems
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CN101341423A (zh) * 2005-12-20 2009-01-07 觅宝电子有限公司 具有用户可选发射和接收特性的实时矩形波发射金属探测器平台
US20080055080A1 (en) * 2006-07-21 2008-03-06 Andrew Michael Britton Oscillator coil geometry for radio frequency metal detectors
US7667464B2 (en) * 2006-11-02 2010-02-23 Westerngeco L.L.C. Time segmentation of frequencies in controlled source electromagnetic (CSEM) applications
US20100283467A1 (en) * 2007-11-12 2010-11-11 Minelab Electronics Pty Limited Metal detector with improved magnetic response application
US8749239B2 (en) * 2008-10-02 2014-06-10 Certusview Technologies, Llc Locate apparatus having enhanced features for underground facility locate operations, and associated methods and systems
WO2010133501A1 (de) * 2009-05-18 2010-11-25 Sick Ag Sensor zum detektieren metallischer objekte
CA2771286C (en) 2009-08-11 2016-08-30 Certusview Technologies, Llc Locating equipment communicatively coupled to or equipped with a mobile/portable device
US8207731B2 (en) * 2009-09-30 2012-06-26 Thermofisher Scientific Apparatus and method for automatic product effect compensation in radio frequency metal detectors
US8729902B1 (en) * 2009-10-05 2014-05-20 White's Electronics, Inc. Metal detector analysis and display methods
EP2439559B1 (de) 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Verfahren für den Betrieb eines Metalldetektionssystems und Metalldetektionssystem
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
CN102411016B (zh) * 2011-08-12 2014-06-04 聚能户外用品技术服务(深圳)有限公司 金属分辨算法
US9018935B2 (en) 2011-09-19 2015-04-28 Mettler-Toledo Safeline Limited Method for operating a metal detection apparatus and apparatus
DE102011120920A1 (de) * 2011-12-09 2013-06-13 Benjamin Bochmann Verarbeitungseinrichtung für Messdaten geophysikalischer Untersuchungsmethoden, Verfahren zur Verarbeitung von Messdaten geophysikalicher Untersuchungsmethoden und geophysikalisches Erkundungssystem
EP2938443B1 (de) * 2012-12-28 2017-11-15 D.Evolute Forschungs- Und Entwicklungsgesellschaft Verfahren zum erkennen und klassifizieren von elektromagnetisch detektierbaren teilen, insbesondere von fördergutteilen in einem schüttgut
US9733379B2 (en) * 2014-06-19 2017-08-15 Metrotech Corporation Line locator with a metal detector
EP3642649A4 (de) * 2017-06-23 2021-06-23 First Texas Products, LLC Mehrfrequenz-metalldetektor
DE102017124407B4 (de) * 2017-10-19 2020-07-02 Minebea Intec Aachen GmbH & Co. KG Verfahren zur Signalauswertung, Auswerteeinheit sowie Metallsuchgerät

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Also Published As

Publication number Publication date
AU701908B2 (en) 1999-02-11
EP0780704A2 (de) 1997-06-25
EP0780704B1 (de) 2001-06-20
EP0780704A3 (de) 1998-01-28
US5654638A (en) 1997-08-05
CA2181430C (en) 1999-12-07
CA2181430A1 (en) 1997-06-22
AU7641096A (en) 1997-06-26

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