SE8206285D0 - Anordning for detektering av metallforemal - Google Patents

Anordning for detektering av metallforemal

Info

Publication number
SE8206285D0
SE8206285D0 SE8206285A SE8206285A SE8206285D0 SE 8206285 D0 SE8206285 D0 SE 8206285D0 SE 8206285 A SE8206285 A SE 8206285A SE 8206285 A SE8206285 A SE 8206285A SE 8206285 D0 SE8206285 D0 SE 8206285D0
Authority
SE
Sweden
Prior art keywords
metal form
form detection
coils
transmitter coils
transmitter
Prior art date
Application number
SE8206285A
Other languages
English (en)
Other versions
SE8206285L (sv
SE453948B (sv
Inventor
K T J Aittoniemi
E S Kiuru
A V K Lappalainen
K Savolainen
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 SE8206285D0 publication Critical patent/SE8206285D0/sv
Publication of SE8206285L publication Critical patent/SE8206285L/sv
Publication of SE453948B publication Critical patent/SE453948B/sv

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

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)
  • Arrangements For Transmission Of Measured Signals (AREA)
SE8206285A 1981-11-06 1982-11-04 Anordning for detektering av metallforemal SE453948B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI813502 1981-11-06

Publications (3)

Publication Number Publication Date
SE8206285D0 true SE8206285D0 (sv) 1982-11-04
SE8206285L SE8206285L (sv) 1983-05-07
SE453948B SE453948B (sv) 1988-03-14

Family

ID=8514841

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8206285A SE453948B (sv) 1981-11-06 1982-11-04 Anordning for detektering av metallforemal

Country Status (14)

Country Link
US (1) US4605898A (sv)
JP (1) JPS58216975A (sv)
KR (1) KR890003089B1 (sv)
AU (1) AU553090B2 (sv)
BE (1) BE894938A (sv)
BR (1) BR8206455A (sv)
CA (1) CA1203304A (sv)
DE (1) DE3240964A1 (sv)
ES (1) ES8400606A1 (sv)
FR (1) FR2516251B1 (sv)
GB (1) GB2110825B (sv)
IT (1) IT1153637B (sv)
SE (1) SE453948B (sv)
ZA (1) ZA828082B (sv)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60168294A (ja) * 1984-02-13 1985-08-31 高根　重信 防犯装置
GB2197480A (en) * 1986-11-15 1988-05-18 Loma Engineering Limited Metal detectors
IT1214993B (it) * 1986-12-10 1990-01-31 Manneschi Alessandro Rivelatore di metalli con scansione magnetica del volume di transito.
IT1216946B (it) * 1987-02-03 1990-03-14 Manneschi Giovanni Rivelatore di metalli con correzione delle disuniformita'
DE3714009A1 (de) * 1987-04-27 1988-11-10 Hauni Werke Koerber & Co Kg Metalldetektor
AU620577B2 (en) * 1987-12-17 1992-02-20 Detection Systems Pty Ltd Search head for metal detectors
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
GB8808933D0 (en) * 1988-04-15 1988-05-18 Scient Generics Ltd Antipilferage system
US4906973A (en) * 1988-04-29 1990-03-06 White's Electronics, Inc. Walk-through metal detector
FI84209C (sv) * 1988-11-01 1991-10-25 Outokumpu Oy Metalldetektor
FI84208C (sv) * 1989-01-31 1991-10-25 Outokumpu Oy Förfarande för detektering av metallföremål
WO1992001956A1 (en) * 1990-07-20 1992-02-06 John Lysaght (Australia) Limited Strip position sensor
US5397986A (en) * 1991-11-01 1995-03-14 Federal Labs Systems Lp Metal detector system having multiple, adjustable transmitter and receiver antennas
US5583435A (en) * 1991-11-20 1996-12-10 Kabushiki Kaisha Ace Denken Sensor with a plurality of transmission and reception lines for detecting a position of a metal object
IT1265721B1 (it) * 1992-11-11 1996-12-02 Alessandro Manneschi Metal detector ad avvolgimenti multipolari con l'eliminazione di effetti neutralizzanti
DE4240921C1 (de) * 1992-12-04 1994-05-11 Alessandro Manneschi Metalldetektor
US5525907A (en) * 1995-03-17 1996-06-11 Hughes Missile Systems Company Active impulse magnetometer with bipolar magnetic impulse generator and fast fourier transform receiver to detect sub-surface metallic materials
DE19510506C2 (de) * 1995-03-23 1997-06-05 Vallon Gmbh Verfahren und Meßeinrichtung zur Metalldetektion mittels einer Spulenanordnung mit mehreren separat ansteuerbaren Bereichen
SE505763C2 (sv) * 1995-10-13 1997-10-06 Asea Brown Boveri Induktiv anordning för bestämning av mått och läge hos mätobjekt av elektriskt ledande material
DE19606675A1 (de) * 1996-02-22 1997-08-28 Siemens Ag Verfahren und Vorrichtung zum Detektieren eines Objekts in einem zu überwachenden Bereich
US5969528A (en) * 1998-01-22 1999-10-19 Garrett Electronics, Inc. Dual field metal detector
EP1010990B1 (de) * 1998-12-18 2006-06-07 Firma Ing. Klaus Ebinger Anordnung zum Erzeugen und/oder Empfangen eines Magnetfeldes
DE19858714A1 (de) 1998-12-18 2000-06-21 Ebinger Klaus Ing Fa Torsonde
US6362739B1 (en) 1999-09-22 2002-03-26 Garry L. Burton Passive security device for detecting ferromagnetic objects
ITAR20000040A1 (it) * 2000-09-08 2002-03-08 Alessandro Manneschi Trasduttore lettore di transponder per il controllo dei passaggi
DE10105082A1 (de) * 2001-02-05 2002-08-14 Wincor Nixdorf Gmbh & Co Kg Vorrichtung zur Entgegennahme von Banknoten
ATE434293T1 (de) * 2001-05-04 2009-07-15 Nxp Bv Kommunikationsgerät mit spulenkonfiguration zur kommunikation mit stationären datenträgern
US20060279406A1 (en) * 2005-06-07 2006-12-14 Robert Stewart Synchronization and adaptive timing method for multiple RFID reader system
FR2888340B1 (fr) 2005-07-11 2007-10-19 Alessandro Manneschi Dispositif de test pour portique detecteur de metaux
KR100733063B1 (ko) * 2005-10-06 2007-06-27 이동인 문형 금속 탐지기
EP1843194A1 (en) * 2006-04-06 2007-10-10 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display device, semiconductor device, and electronic appliance
GB2441346B (en) 2006-09-01 2011-04-13 Qinetiq Ltd Metal object detecting apparatus
WO2008087385A2 (en) 2007-01-15 2008-07-24 Rapiscan Systems, Inc. Detector systems
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
CN106842336A (zh) * 2017-02-09 2017-06-13 王积东 通过式探测器及通过式探测方法
CA3103944C (en) 2018-06-20 2023-08-01 Eriez Manufacturing Co. Metal detector coil configuration to eliminate orientation effect
CN108680960B (zh) * 2018-07-14 2023-10-31 漳州市玉山电子制造有限公司 一种差分输出驱动方式的金属探测器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938163A (en) * 1957-05-27 1960-05-24 Roffman Eugene Detection of faults in magnetic material
US3156862A (en) * 1961-12-15 1964-11-10 Assembly Products Inc Electrical flaw detector apparatus having null plane positioned as well as electrically balanced coil arrangements
FI40646B (sv) * 1967-04-10 1968-12-31 Outokumpu Oy
US3697972A (en) * 1969-06-26 1972-10-10 Yull Brown Metal detection and alarm systems
US3697996A (en) * 1969-07-11 1972-10-10 Minnesota Mining & Mfg Electromagnetic field producing apparatus and method for sequentially producing a plurality of fields
US3889249A (en) * 1971-10-29 1975-06-10 Sperry Rand Corp Static magnetic field metal detector
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
US3938125A (en) * 1974-02-20 1976-02-10 Minnesota Mining And Manufacturing Company Antipilferage system and marker therefor
US4063230A (en) * 1975-06-12 1977-12-13 The Magnavox Company Balanced field theft detection system
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
GB2073892B (en) * 1980-04-14 1984-02-22 British Aerospace Position sensing

Also Published As

Publication number Publication date
US4605898A (en) 1986-08-12
IT1153637B (it) 1987-01-14
ZA828082B (en) 1983-08-31
AU9017782A (en) 1983-05-12
FR2516251B1 (fr) 1988-06-10
GB2110825B (en) 1986-04-30
JPH0522192B2 (sv) 1993-03-26
FR2516251A1 (fr) 1983-05-13
KR890003089B1 (ko) 1989-08-21
ES517150A0 (es) 1983-10-16
SE8206285L (sv) 1983-05-07
CA1203304A (en) 1986-04-15
DE3240964A1 (de) 1983-05-19
BR8206455A (pt) 1983-09-27
SE453948B (sv) 1988-03-14
JPS58216975A (ja) 1983-12-16
KR840002524A (ko) 1984-07-02
GB2110825A (en) 1983-06-22
AU553090B2 (en) 1986-07-03
ES8400606A1 (es) 1983-10-16
DE3240964C2 (sv) 1989-08-31
IT8224093A0 (it) 1982-11-05
BE894938A (fr) 1983-03-01

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