ATE244435T1 - Metalldetektorsystem - Google Patents

Metalldetektorsystem

Info

Publication number
ATE244435T1
ATE244435T1 AT95910863T AT95910863T ATE244435T1 AT E244435 T1 ATE244435 T1 AT E244435T1 AT 95910863 T AT95910863 T AT 95910863T AT 95910863 T AT95910863 T AT 95910863T AT E244435 T1 ATE244435 T1 AT E244435T1
Authority
AT
Austria
Prior art keywords
metal
electromagnetic field
generate
field
detected
Prior art date
Application number
AT95910863T
Other languages
English (en)
Inventor
Steven David Frahm
John Edward Turner
Original Assignee
Ranger Security Detectors 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22673939&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE244435(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ranger Security Detectors Inc filed Critical Ranger Security Detectors Inc
Application granted granted Critical
Publication of ATE244435T1 publication Critical patent/ATE244435T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal
    • 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

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)
  • Analysing Materials By The Use Of Radiation (AREA)
AT95910863T 1994-01-19 1995-01-19 Metalldetektorsystem ATE244435T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/183,696 US5521583A (en) 1994-01-19 1994-01-19 Metal detection system
PCT/US1995/000380 WO1995020205A1 (en) 1994-01-19 1995-01-19 Metal detection system

Publications (1)

Publication Number Publication Date
ATE244435T1 true ATE244435T1 (de) 2003-07-15

Family

ID=22673939

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95910863T ATE244435T1 (de) 1994-01-19 1995-01-19 Metalldetektorsystem

Country Status (8)

Country Link
US (2) US5521583A (de)
EP (1) EP0740822B1 (de)
AT (1) ATE244435T1 (de)
AU (1) AU686341B2 (de)
CA (1) CA2179993C (de)
DE (1) DE69531194D1 (de)
MX (1) MX9602831A (de)
WO (1) WO1995020205A1 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521583A (en) * 1994-01-19 1996-05-28 Ranger Security Detectors, Inc. Metal detection system
US5790685A (en) * 1995-06-29 1998-08-04 Tracor, Inc. Apparatus and method for detecting and imaging metal
US5726628A (en) * 1996-05-06 1998-03-10 Gd Electronics, Inc. Metal detector system
GB2316230B (en) * 1996-08-08 1999-03-24 Automated Library Systems Limi Apparatus & method for magnetising security targets
WO1998056617A1 (de) 1997-06-09 1998-12-17 Siemens Aktiengesellschaft Auswerteeinrichtung für eine vorrichtung zur objekterkennung, insbesondere zur innenraumüberwachung in einem kraftfahrzeug, sowie vorrichtung zur objekterkennung mit einer solchen auswerteeinrichtung und verfahren zum steuern einer solchen vorrichtung
AU756153B2 (en) * 1997-06-18 2003-01-02 Ian David Nelson-White A sensor panel and a detection apparatus incorporating the same
AUPO747097A0 (en) * 1997-06-18 1997-07-10 Nelson-White, Ian David Security apparatus
US5973595A (en) * 1997-11-25 1999-10-26 Ranger Security Detectors, Inc. Body cavity metal detection system
KR100228251B1 (ko) * 1997-12-20 1999-11-01 박병용 권총류 탐지시스템
FR2773889B1 (fr) * 1998-01-16 2000-04-07 Electricite De France Procede pour la localisation d'un objet enterre
US5969528A (en) * 1998-01-22 1999-10-19 Garrett Electronics, Inc. Dual field metal detector
US6084413A (en) 1998-04-29 2000-07-04 Mohamed; Moustafa Abdel Kader Method and apparatus for detecting rock movement
US6133829A (en) * 1999-03-05 2000-10-17 Frl, Inc. Walk-through metal detector system and method
US6362739B1 (en) 1999-09-22 2002-03-26 Garry L. Burton Passive security device for detecting ferromagnetic objects
US6819241B2 (en) 2001-10-10 2004-11-16 Ranger Security Detectors, Inc. System and method for scanning individuals for illicit objects
US20040000999A1 (en) * 2001-11-08 2004-01-01 Turner John E. System and method for scanning carriers for objects
US6879161B2 (en) * 2002-02-11 2005-04-12 White's Electronics, Inc. Method and apparatus for distinguishing metal objects employing multiple frequency interrogation
US6911823B2 (en) 2002-02-11 2005-06-28 White's Electronics, Inc. Metal detector employing static discrimination
US6970087B2 (en) * 2002-07-28 2005-11-29 Gil Stis Device and method of detecting metal objects
ITAR20020029A1 (it) * 2002-08-21 2004-02-22 Alessandro Manneschi Rivelatore di metalli e procedimento di verifica per il medesimo
US7633518B2 (en) * 2002-10-25 2009-12-15 Quantum Magnetics, Inc. Object detection portal with video display overlay
JP2006525512A (ja) * 2003-04-29 2006-11-09 フィッシャー リサーチ ラボラトリー 可搬ウォークスルー金属検出器用のシステムおよび方法
US7145456B2 (en) * 2003-04-29 2006-12-05 Fisher Research Labs, Inc. Efficient electronics for a walk-through metal detector
US7352180B2 (en) 2003-10-02 2008-04-01 Alessandro Manneschi Magnetic resonance detector for detecting non-authorized materials in footwear
US7973697B2 (en) * 2004-04-14 2011-07-05 L-3 Communications Security And Detection Systems, Inc. Surveillance systems and methods with subject-related screening
US7180441B2 (en) * 2004-04-14 2007-02-20 Safeview, Inc. Multi-sensor surveillance portal
US7205926B2 (en) * 2004-04-14 2007-04-17 Safeview, Inc. Multi-source surveillance system
US8350747B2 (en) 2004-04-14 2013-01-08 L-3 Communications Security And Detection Systems, Inc. Surveillance with subject screening
US20080174401A1 (en) * 2004-04-14 2008-07-24 L-3 Communications Security And Detection Systems, Inc Surveillance of subject-associated items with identifiers
DE102005002195A1 (de) * 2005-01-17 2006-07-27 Siemens Ag Verfahren und Anordnung zur Regeneration eines optischen Datensignals
EP1750148A1 (de) * 2005-08-04 2007-02-07 Giovanni Manneschi Hochleistungsmetalldetektor
EP1750147B1 (de) 2005-08-04 2014-04-09 Alessandro Manneschi Metalldetektor
US7868758B2 (en) * 2006-03-10 2011-01-11 Morpho Detection, Inc. Passenger screening system and method
US20070211922A1 (en) * 2006-03-10 2007-09-13 Crowley Christopher W Integrated verification and screening system
US20080018451A1 (en) * 2006-07-11 2008-01-24 Jason Benfielt Slibeck Passenger screening system and method
US7893690B2 (en) * 2007-07-19 2011-02-22 Carnes Company, Inc. Balancing circuit for a metal detector
US7791337B2 (en) * 2007-07-19 2010-09-07 Carnes Company, Inc. Metal detector
WO2009113078A2 (en) * 2008-03-12 2009-09-17 Yeshwant Vasudeo Patil Muiltizone walk through metal detector with camera & text overlay chip for measuring, displaying, transferring data with video and recording the parameters of the system synchronized with the video image in computer
US20100186525A1 (en) * 2009-01-26 2010-07-29 Chris Mashburn Wheelchair and Method of Security Screening a Wheelchair
DE102009010943A1 (de) * 2009-02-27 2010-09-16 Hilti Aktiengesellschaft Betriebsverfahren und Spulenanordnung für einen magnetischen Sensor zur Detektion metallischer Objekte in einem Untergrund
US9383439B2 (en) 2013-06-27 2016-07-05 The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice Detection of conductive material in a thin film
JP2015102513A (ja) * 2013-11-27 2015-06-04 横河電機株式会社 金属異物検出装置および渦電流探傷装置
WO2017114109A1 (zh) * 2015-12-28 2017-07-06 深圳市澳亚迪电子设备有限公司 一种自平衡降噪金属探测双线圈
EP3545341B1 (de) * 2016-11-24 2022-10-12 Sedect SA System und verfahren zur abtastung einer person vor dem eingang zu einem bereich mit beschränktem zugang
RU177858U1 (ru) * 2017-05-29 2018-03-14 Тимур Марсович Алеев Металлообнаружитель многозонный
RU2643672C1 (ru) * 2017-05-29 2018-02-05 Тимур Марсович Алеев Металлообнаружитель многозонный
RU2663250C1 (ru) * 2017-09-26 2018-08-03 Виктор Олегович Арбузов Металлодетектор и способ обнаружения металлических объектов
WO2019102368A1 (en) * 2017-11-21 2019-05-31 Sedect Sa A method and a system for detecting a potential threat in a shoe worn by an individual
US11454735B2 (en) 2017-11-21 2022-09-27 Sedect Sa Method and a system for detecting a potential threat in a shoe worn by an individual
RU2672162C1 (ru) * 2018-02-05 2018-11-12 Тимур Марсович Алеев Металлообнаружитель многозонный многочастотный с гармоническим возбуждением
CN111190232B (zh) * 2020-03-05 2023-10-31 大同市快安科技有限公司 一种金属违禁物品检测装置及其多参数综合判定方法
JP7594304B2 (ja) 2020-04-08 2024-12-04 株式会社 Integral Geometry Science 磁気応答分布可視化装置、セキュリティ検査システム及び磁気応答分布可視化方法
EP4033272A1 (de) * 2021-01-21 2022-07-27 Mettler-Toledo Safeline Limited Metalldetektionsvorrichtung
CN120847227B (zh) * 2025-09-19 2025-12-05 中国石油大学(华东) 海洋石油井控装备结构缺陷电磁调控检测方法及检测系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697972A (en) * 1969-06-26 1972-10-10 Yull Brown Metal detection and alarm systems
US3758949A (en) * 1971-01-06 1973-09-18 Teletype Corp Digitizer
US3763424A (en) * 1971-07-15 1973-10-02 Sperry Rand Corp Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US3758849A (en) * 1972-03-31 1973-09-11 Sperry Rand Corp Metal detector system having identical balanced field coil system on opposite sides of a detection zone
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
US3950696A (en) * 1974-04-29 1976-04-13 Westinghouse Electric Corporation Trapezoidal coil configuration for metal detector in the shape of an inverted u
US4293816A (en) * 1979-07-09 1981-10-06 White's Electronics, Inc. Balanced search loop for metal detector
US4486712A (en) * 1981-09-25 1984-12-04 Weber Harold J Frequency dependent pulsed gain modulated metallic object detector
US4560935A (en) * 1983-03-28 1985-12-24 Williams Ronald E Remote actuator for metal detector discriminating adjust switch
US4829546A (en) * 1987-06-16 1989-05-09 Interprovincial Traffic Services Ltd. Radio controlled inductive loop counter for detecting human proximity
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
US4906973A (en) * 1988-04-29 1990-03-06 White's Electronics, Inc. Walk-through metal detector
US5039981A (en) * 1989-10-11 1991-08-13 Rodriguez Joe S Electromagnetic security detectors
US5148151A (en) * 1990-06-20 1992-09-15 Garrett Electronics, Inc. Metal detector having target characterization and search classification
US5521583A (en) * 1994-01-19 1996-05-28 Ranger Security Detectors, Inc. Metal detection system

Also Published As

Publication number Publication date
EP0740822B1 (de) 2003-07-02
MX9602831A (es) 1998-01-31
EP0740822A4 (de) 1999-08-18
CA2179993C (en) 2004-10-19
WO1995020205A1 (en) 1995-07-27
AU1867195A (en) 1995-08-08
CA2179993A1 (en) 1995-07-27
DE69531194D1 (de) 2003-08-07
US5521583A (en) 1996-05-28
EP0740822A1 (de) 1996-11-06
AU686341B2 (en) 1998-02-05
US5680103A (en) 1997-10-21

Similar Documents

Publication Publication Date Title
ATE244435T1 (de) Metalldetektorsystem
NO992868D0 (no) Magnetisk detektor for sikkerhetsdokument
IL163234A (en) Detection of metal disturbance in a magnetic tracking system
ES2151548T3 (es) Aparato de deteccion de documentos falsificados.
AU4281899A (en) Apparatus for detecting metals
ATE289421T1 (de) Verfahren und anlage zur detektion von bevorstehenden erdbeben
DK158420B (da) Elektronisk sikkerhedsudstyr
SE8500652D0 (sv) Security tag detection system
GB1458977A (en) System and method for detecting unauthorized removal of goods from protected premises and magnet detecting apparatus suitable for use therein
WO2003069320A3 (en) Radiation and metal detection system for scanning objects
EP0646266B1 (de) Verfahren und vorrichtung zur diebstahldetektion durch digitalsignalverarbeitung.
US6400273B1 (en) EAS system with wide exit coverage and reduced over-range
CA2600567C (en) Low temperature squid transient electromagnetic receiver system
JP3072304B2 (ja) 金属探知方法
EP0067924B1 (de) Verfahren zur Erdbebenvoraussage
FR2509495B1 (fr) Procede de surveillance et d'alarme et le dispositif pour la mise en oeuvre du procede
RU2098848C1 (ru) Металлообнаружитель
CA1264362A (en) Electromagnetic surveillance system with improved signal processing
RU175760U1 (ru) Ручной металлообнаружитель
KR920001411A (ko) 음향경보센서
AU2010341820B2 (en) Method and system for receiver nulling using coherent transmit signals
SU1582116A1 (ru) Акустический дефектоскоп
GB1046720A (en) Improvements in system and method for preventing pilferage by detection of magnetic fields
RU15794U1 (ru) Обнаружитель сейсмоакустических и магнитных колебаний
HK1173549B (en) Method and system for receiver nulling using coherent transmit signals

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties