WO2003048808A3 - Wide area metal detection (wamd) system and method for security screening crowds - Google Patents

Wide area metal detection (wamd) system and method for security screening crowds Download PDF

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Publication number
WO2003048808A3
WO2003048808A3 PCT/US2002/034276 US0234276W WO03048808A3 WO 2003048808 A3 WO2003048808 A3 WO 2003048808A3 US 0234276 W US0234276 W US 0234276W WO 03048808 A3 WO03048808 A3 WO 03048808A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
wamd
wide area
metal detection
security screening
Prior art date
Application number
PCT/US2002/034276
Other languages
French (fr)
Other versions
WO2003048808A2 (en
Inventor
Carl V Nelson
Original Assignee
Univ Johns Hopkins
Carl V Nelson
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 Univ Johns Hopkins, Carl V Nelson filed Critical Univ Johns Hopkins
Priority to AU2002365033A priority Critical patent/AU2002365033A1/en
Publication of WO2003048808A2 publication Critical patent/WO2003048808A2/en
Publication of WO2003048808A3 publication Critical patent/WO2003048808A3/en

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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

Abstract

A Wide Area Metal Detection (WAMD) system and method for security screening a crowd of people is provided. The system comprises at least one Magnetic Field Generator (MFG) (100), e.g., a Horizontal Magnetic Field Generator (HMFG) buried below a walking surface for generating a magnetic field, a plurality of magnetic field sensors (102) located within the sensing area of the MFG for sensing a metallic object, based on eddy currents in the magnetic field, and a location indicator for indicating a location of an individual with the metallic object at a position corresponding to that of one of the plurality of magnetic field sensor (102) that sensed the metallic object. At least one video camera (104) is included for identifying the individual at the location indicated by the location indicator and tracking further movements of the individual.
PCT/US2002/034276 2001-10-25 2002-10-25 Wide area metal detection (wamd) system and method for security screening crowds WO2003048808A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002365033A AU2002365033A1 (en) 2001-10-25 2002-10-25 Wide area metal detection (wamd) system and method for security screening crowds

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US34683401P 2001-10-25 2001-10-25
US60/346,834 2001-10-25
US40385702P 2002-08-15 2002-08-15
US60/403,857 2002-08-15

Publications (2)

Publication Number Publication Date
WO2003048808A2 WO2003048808A2 (en) 2003-06-12
WO2003048808A3 true WO2003048808A3 (en) 2003-10-23

Family

ID=26995030

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/034276 WO2003048808A2 (en) 2001-10-25 2002-10-25 Wide area metal detection (wamd) system and method for security screening crowds

Country Status (3)

Country Link
US (1) US6970086B2 (en)
AU (1) AU2002365033A1 (en)
WO (1) WO2003048808A2 (en)

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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
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US8274386B1 (en) 2009-03-23 2012-09-25 The United States Of America As Represented By The Secretary Of The Navy Human presence electric field sensor
US8188862B1 (en) * 2009-03-23 2012-05-29 The United States Of America As Represented By The Secretary Of The Navy Remote detection of covertly carried metal objects
US20120047087A1 (en) 2009-03-25 2012-02-23 Waldeck Technology Llc Smart encounters
US20100331733A1 (en) * 2009-06-30 2010-12-30 Orthosensor Sensing device and method for an orthopedic joint
WO2011063059A1 (en) 2009-11-18 2011-05-26 Rapiscan Systems, Inc. X-ray based system and methods for inspecting a person's shoes for aviation security threats
PL2548207T3 (en) 2010-03-14 2020-07-13 Rapiscan Systems, Inc. Beam forming apparatus
US9562986B2 (en) * 2011-07-01 2017-02-07 Rapiscan Systems, Inc. Walk through metal detection system
US20130307533A1 (en) 2012-05-18 2013-11-21 Metrasens Limited Security system and method of detecting contraband items
GB201219097D0 (en) 2012-10-24 2012-12-05 Metrasens Ltd Apparatus for detecting ferromagnetic objects at a protected doorway assembly
KR20160130482A (en) 2014-03-07 2016-11-11 라피스캔 시스템스, 인코포레이티드 Ultra wide band detectors
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
WO2016086135A2 (en) 2014-11-25 2016-06-02 Rapiscan Systems, Inc. Intelligent security management system
CN104459822A (en) * 2014-12-05 2015-03-25 同方威视技术股份有限公司 Human body safety check equipment
CN110045423A (en) 2014-12-18 2019-07-23 梅特拉森斯有限公司 Security system and the method for detecting contraband
KR102348926B1 (en) * 2015-08-25 2022-01-11 삼성전자주식회사 Method and apparatus for estimating location in communication system
GB201602652D0 (en) * 2016-02-15 2016-03-30 Metrasens Ltd Improvements to magnetic detectors
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FR2076468A5 (en) * 1970-01-14 1971-10-15 Ancet Victor
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EP0831339A2 (en) * 1996-09-24 1998-03-25 Vallon GmbH Method and display arrangement showing the detected objects in a space surrounded by a door frame

Also Published As

Publication number Publication date
AU2002365033A1 (en) 2003-06-17
WO2003048808A2 (en) 2003-06-12
US20030080868A1 (en) 2003-05-01
AU2002365033A8 (en) 2003-06-17
US6970086B2 (en) 2005-11-29

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