IT8721506A0 - Metodo e dispositivo per rilevare oggetti in metallo. - Google Patents

Metodo e dispositivo per rilevare oggetti in metallo.

Info

Publication number
IT8721506A0
IT8721506A0 IT8721506A IT2150687A IT8721506A0 IT 8721506 A0 IT8721506 A0 IT 8721506A0 IT 8721506 A IT8721506 A IT 8721506A IT 2150687 A IT2150687 A IT 2150687A IT 8721506 A0 IT8721506 A0 IT 8721506A0
Authority
IT
Italy
Prior art keywords
metal objects
detecting metal
detecting
objects
metal
Prior art date
Application number
IT8721506A
Other languages
English (en)
Other versions
IT1222389B (it
Inventor
Erkki Ilmari Leinonen
Kari Timo Johannes Aittoniemi
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of IT8721506A0 publication Critical patent/IT8721506A0/it
Application granted granted Critical
Publication of IT1222389B publication Critical patent/IT1222389B/it

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
IT21506/87A 1986-08-15 1987-07-29 Metodo e dispositivo per rilevare oggetti in metallo IT1222389B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI863309A FI79618C (fi) 1986-08-15 1986-08-15 Saett och anordning foer detektering av metallkroppar.

Publications (2)

Publication Number Publication Date
IT8721506A0 true IT8721506A0 (it) 1987-07-29
IT1222389B IT1222389B (it) 1990-09-05

Family

ID=8523005

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21506/87A IT1222389B (it) 1986-08-15 1987-07-29 Metodo e dispositivo per rilevare oggetti in metallo

Country Status (10)

Country Link
US (1) US4894619A (it)
JP (1) JPS6348493A (it)
CA (1) CA1279387C (it)
DE (1) DE3727416A1 (it)
ES (1) ES2004800A6 (it)
FI (1) FI79618C (it)
FR (1) FR2602876B1 (it)
GB (1) GB2194055B (it)
IT (1) IT1222389B (it)
SE (1) SE507041C2 (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI84208C (fi) * 1989-01-31 1991-10-25 Outokumpu Oy Foerfarande foer detektering av metallfoeremaol.
DK42491D0 (da) * 1991-03-11 1991-03-11 Kristen Nielsen Apparat og fremgangsmaade til detektering af nedgravede roer og kabler
US5249612A (en) * 1992-07-24 1993-10-05 Bti, Inc. Apparatus and methods for controlling fluid dispensing
DE4417931C1 (de) * 1994-05-19 1995-08-17 Inst Umwelttechnologien Gmbh Schaltungsanordnung zur Wahrnehmung und Ortung von Metallgegenständen
US5552705A (en) * 1995-06-01 1996-09-03 Keller; George V. Non-obtrusive weapon detection system and method for discriminating between a concealed weapon and other metal objects
US6469624B1 (en) * 2000-01-03 2002-10-22 3-J Tech., Ltd. Non-obtrusive weapon detection system
US20070010702A1 (en) * 2003-04-08 2007-01-11 Xingwu Wang Medical device with low magnetic susceptibility
US20050079132A1 (en) * 2003-04-08 2005-04-14 Xingwu Wang Medical device with low magnetic susceptibility
CN101688925B (zh) 2007-01-15 2012-12-26 拉皮斯坎系统股份有限公司 检测器系统
US8995619B2 (en) 2010-03-14 2015-03-31 Rapiscan Systems, Inc. Personnel screening system
US8638904B2 (en) 2010-03-14 2014-01-28 Rapiscan Systems, Inc. Personnel screening system
US8576982B2 (en) 2008-02-01 2013-11-05 Rapiscan Systems, Inc. Personnel screening system
US7796733B2 (en) * 2007-02-01 2010-09-14 Rapiscan Systems, Inc. Personnel security screening system with enhanced privacy
GB2463830B (en) * 2007-06-21 2012-10-17 Rapiscan Systems Inc Systems and methods for improving directed people screening
US20110198937A1 (en) * 2010-02-15 2011-08-18 Qualcomm Incorporated Impedance neutral wireless power receivers
US8576989B2 (en) 2010-03-14 2013-11-05 Rapiscan Systems, Inc. Beam forming apparatus
AU2014274608B2 (en) * 2013-12-12 2016-07-07 Minelab Electronics Pty Limited Improvements to a metal detector
GB2538921B (en) 2014-03-07 2020-06-03 Rapiscan Systems Inc Ultra wide band detectors
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
US9628027B2 (en) * 2014-03-14 2017-04-18 Nxp Usa, Inc. Multi-path devices with mutual inductance compensation networks and methods thereof
BR112017011068A2 (pt) 2014-11-25 2018-07-10 Rapiscan Systems, Inc. sistema de gerenciamento de segurança inteligente
US9979356B2 (en) 2014-12-17 2018-05-22 Nxp Usa, Inc. Magnetically coupled load modulation
CN105487126A (zh) * 2016-01-26 2016-04-13 中国原子能科学研究院 一种互感式管道内液态金属监测装置
WO2018064434A1 (en) 2016-09-30 2018-04-05 American Science And Engineering, Inc. X-ray source for 2d scanning beam imaging
DE102020105732A1 (de) * 2020-03-04 2021-09-09 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zur Kennzeichnung eines Bauteils durch Aufbringen einer auslesbaren Identifizierungsinformation

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US2735980A (en) * 1956-02-21 Microseconds
US3105934A (en) * 1960-01-05 1963-10-01 Selco Exploration Company Ltd Method and apparatus for the remote detection of ore bodies utilizing pulses of short duration to induce transient polarization in the ore bodies
US3210652A (en) * 1961-10-06 1965-10-05 Harold O Seigel Method of geophysical prospecting by comparing the steady state magnetic field measured due to current flow through a medium with the transient magnetic field measured after termination of the current flow
US3395338A (en) * 1965-06-08 1968-07-30 Selco Exploration Co Ltd Prospecting system employing electromagnetic wave forms exhibiting abrupt changes
US3707672A (en) * 1971-06-02 1972-12-26 Westinghouse Electric Corp Weapon detector utilizing the pulsed field technique to detect weapons on the basis of weapons thickness
GB1443925A (en) * 1972-11-21 1976-07-28 Balfour Kilpatrick Ltd Method of and apparatus for locating buries objects
GB1456009A (en) * 1973-06-25 1976-11-17 Central Geophysics Ltd Method for exciting and detecing resonant oscillations from electronic conductors in the earth
US4030026A (en) * 1974-11-25 1977-06-14 White's Electronics, Inc. Sampling metal detector
GB1490191A (en) * 1975-01-16 1977-10-26 Plessey Co Ltd Metal detectors
GB1548239A (en) * 1976-03-29 1979-07-04 White S Electronics Sampling metal detector
JPS5370460A (en) * 1976-12-04 1978-06-22 Omron Tateisi Electronics Co Hot material detector
US4114086A (en) * 1977-03-07 1978-09-12 Scintrex Limited Inductive source method of induced polarization prospecting
GB2004069B (en) * 1977-08-20 1982-04-21 Plessey Co Ltd Metal detectors
GB2041532B (en) * 1979-01-31 1983-05-11 Plessey Co Ltd Metal detector
GB2071327A (en) * 1979-11-29 1981-09-16 Corbyn J A Improvements in Electromagnetic Induction Systems for Geophysical Exploration and Conductor Location
US4600356A (en) * 1984-01-27 1986-07-15 Gas Research Institute Underground pipeline and cable detector and process
GB2173903B (en) * 1985-04-18 1988-07-06 Shell Int Research A method and system for primary field compensation in a towed receiver for airborne electromagnetic survey systems

Also Published As

Publication number Publication date
US4894619A (en) 1990-01-16
ES2004800A6 (es) 1989-02-01
FI863309A (fi) 1988-02-16
SE8703030D0 (sv) 1987-08-03
FI863309A0 (fi) 1986-08-15
FI79618C (fi) 1990-01-10
SE8703030L (sv) 1988-02-16
DE3727416C2 (it) 1993-04-22
SE507041C2 (sv) 1998-03-16
JPS6348493A (ja) 1988-03-01
FI79618B (fi) 1989-09-29
CA1279387C (en) 1991-01-22
IT1222389B (it) 1990-09-05
DE3727416A1 (de) 1988-02-18
GB8717731D0 (en) 1987-09-03
FR2602876B1 (fr) 1990-04-20
FR2602876A1 (fr) 1988-02-19
GB2194055A (en) 1988-02-24
GB2194055B (en) 1991-01-30
JPH0584875B2 (it) 1993-12-03

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