ES2074940A2 - Detector de metales de arrollamientos multipolares con eliminacion de efectos neutralizantes. - Google Patents

Detector de metales de arrollamientos multipolares con eliminacion de efectos neutralizantes.

Info

Publication number
ES2074940A2
ES2074940A2 ES09301155A ES9301155A ES2074940A2 ES 2074940 A2 ES2074940 A2 ES 2074940A2 ES 09301155 A ES09301155 A ES 09301155A ES 9301155 A ES9301155 A ES 9301155A ES 2074940 A2 ES2074940 A2 ES 2074940A2
Authority
ES
Spain
Prior art keywords
masses
metal
eliminate
passing
windings
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.)
Granted
Application number
ES09301155A
Other languages
English (en)
Other versions
ES2074940B1 (es
ES2074940R (es
Inventor
Alessandro Manneschi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES2074940A2 publication Critical patent/ES2074940A2/es
Publication of ES2074940R publication Critical patent/ES2074940R/es
Application granted granted Critical
Publication of ES2074940B1 publication Critical patent/ES2074940B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

DETECTOR DE METALES DE ARROLLAMIENTOS MULTIPOLARES CON ELIMINACION DE EFECTOS NEUTRALIZANTES, QUE COMPRENDE DOS O VARIOS PARES DE ARROLLAMIENTOS TRANSMISORES-RECEPTORES, CRUZADOS ENTRE SI O NO, QUE PRESENTAN NUMEROS DE POLOS DIFERENTES ENTRE SI DE MODO TAL QUE LOS DIFERENTES PARES TENGAN DIFERENTES PASOS "D" ENTRE LINEAS QUE, RECORRIDAS SIMULTANEAMENTE POR MASAS METALICAS, DEN ORIGEN A VARIACIONES DE SEÑALES INDUCIDAS CASI IGUALES Y OPUESTAS.
ES09301155A 1992-11-11 1993-05-27 Detector de metales de arrollamientos multipolares con eliminacion de efectos neutralizantes. Expired - Fee Related ES2074940B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT92AR000026A IT1265721B1 (it) 1992-11-11 1992-11-11 Metal detector ad avvolgimenti multipolari con l'eliminazione di effetti neutralizzanti

Publications (3)

Publication Number Publication Date
ES2074940A2 true ES2074940A2 (es) 1995-09-16
ES2074940R ES2074940R (es) 1996-11-16
ES2074940B1 ES2074940B1 (es) 1997-07-01

Family

ID=11334734

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09301155A Expired - Fee Related ES2074940B1 (es) 1992-11-11 1993-05-27 Detector de metales de arrollamientos multipolares con eliminacion de efectos neutralizantes.

Country Status (5)

Country Link
US (1) US5498959A (es)
DE (1) DE4338436C2 (es)
ES (1) ES2074940B1 (es)
FR (1) FR2697919B1 (es)
IT (1) IT1265721B1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606675A1 (de) * 1996-02-22 1997-08-28 Siemens Ag Verfahren und Vorrichtung zum Detektieren eines Objekts in einem zu überwachenden Bereich
KR100228251B1 (ko) * 1997-12-20 1999-11-01 박병용 권총류 탐지시스템
AU3399700A (en) * 1999-03-03 2000-09-21 Potchefstroom University For Christian Higher Education Foreign material sensor utilizing a multipole magnetic field
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
US7352180B2 (en) 2003-10-02 2008-04-01 Alessandro Manneschi Magnetic resonance detector for detecting non-authorized materials in footwear
FR2888340B1 (fr) 2005-07-11 2007-10-19 Alessandro Manneschi Dispositif de test pour portique detecteur de metaux
EP1750147B1 (en) 2005-08-04 2014-04-09 Alessandro Manneschi Metal detector
GB2441346B (en) * 2006-09-01 2011-04-13 Qinetiq Ltd Metal object detecting apparatus
US11409017B2 (en) 2018-06-20 2022-08-09 Eriez Manufacturing Co. Metal detector coil configuration to eliminate orientation effect

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344074A (en) * 1981-04-02 1982-08-10 Sperry Corporation Magnetic field producing apparatus
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
GB2250524A (en) * 1990-12-06 1992-06-10 Saima Sicurezza Spa Entrance booth with a metal detector for controlling access and an enlargeable entrance

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
GB2110825B (en) * 1981-11-06 1986-04-30 Outokumpu Oy Apparatus for detecting metal objects
US4769631A (en) * 1986-06-30 1988-09-06 Sensormatic Electronics Corporation Method, system and apparatus for magnetic surveillance of articles
IT1214991B (it) * 1986-12-03 1990-01-31 Manneschi Giovanni Colonnetta con pluralita' di avvolgimenti.
IT1214993B (it) * 1986-12-10 1990-01-31 Manneschi Alessandro Rivelatore di metalli con scansione magnetica del volume di transito.
FI84209C (fi) * 1988-11-01 1991-10-25 Outokumpu Oy Metalldetektor.
IT1249278B (it) * 1991-06-06 1995-02-21 Alessandro Manneschi Metal detector con trasduttori elettromagnetici sfalsati e circuito correttore delle disuniformita'
FR2698968B1 (fr) * 1992-12-04 1995-01-20 Alessandro Manneschi Détecteur de métaux à transducteurs électromagnétiques décalés et circuit de correction de non-uniformité.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344074A (en) * 1981-04-02 1982-08-10 Sperry Corporation Magnetic field producing apparatus
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
GB2250524A (en) * 1990-12-06 1992-06-10 Saima Sicurezza Spa Entrance booth with a metal detector for controlling access and an enlargeable entrance

Also Published As

Publication number Publication date
ES2074940B1 (es) 1997-07-01
ES2074940R (es) 1996-11-16
DE4338436A1 (de) 1994-06-01
FR2697919B1 (fr) 1996-01-05
ITAR920026A0 (it) 1992-11-11
IT1265721B1 (it) 1996-12-02
DE4338436C2 (de) 1996-03-14
ITAR920026A1 (it) 1994-05-11
US5498959A (en) 1996-03-12
FR2697919A1 (fr) 1994-05-13

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