GB2262606B - Metal detector - Google Patents

Metal detector

Info

Publication number
GB2262606B
GB2262606B GB9126675A GB9126675A GB2262606B GB 2262606 B GB2262606 B GB 2262606B GB 9126675 A GB9126675 A GB 9126675A GB 9126675 A GB9126675 A GB 9126675A GB 2262606 B GB2262606 B GB 2262606B
Authority
GB
United Kingdom
Prior art keywords
metal detector
detector
metal
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.)
Expired - Fee Related
Application number
GB9126675A
Other versions
GB2262606A (en
GB9126675D0 (en
Inventor
Andrez Zbigniew Regini
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.)
RADIODETECTION Ltd
Radiodetection Ltd
Original Assignee
* RADIODETECTION LIMITED
Radiodetection Ltd
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 * RADIODETECTION LIMITED, Radiodetection Ltd filed Critical * RADIODETECTION LIMITED
Priority to GB9126675A priority Critical patent/GB2262606B/en
Publication of GB9126675D0 publication Critical patent/GB9126675D0/en
Publication of GB2262606A publication Critical patent/GB2262606A/en
Application granted granted Critical
Publication of GB2262606B publication Critical patent/GB2262606B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric 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
    • G01V3/10Electric 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
    • G01V3/104Electric 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
    • G01V3/105Electric 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
    • G01V3/107Electric 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 using compensating coil or loop arrangements
GB9126675A 1991-12-16 1991-12-16 Metal detector Expired - Fee Related GB2262606B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9126675A GB2262606B (en) 1991-12-16 1991-12-16 Metal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9126675A GB2262606B (en) 1991-12-16 1991-12-16 Metal detector

Publications (3)

Publication Number Publication Date
GB9126675D0 GB9126675D0 (en) 1992-02-12
GB2262606A GB2262606A (en) 1993-06-23
GB2262606B true GB2262606B (en) 1995-05-31

Family

ID=10706341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9126675A Expired - Fee Related GB2262606B (en) 1991-12-16 1991-12-16 Metal detector

Country Status (1)

Country Link
GB (1) GB2262606B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5842986A (en) 1995-08-16 1998-12-01 Proton Sciences Corp. Ferromagnetic foreign body screening method and apparatus
US6496713B2 (en) 1996-06-25 2002-12-17 Mednovus, Inc. Ferromagnetic foreign body detection with background canceling
US6965792B2 (en) 1996-06-25 2005-11-15 Mednovus, Inc. Susceptometers for foreign body detection
KR100616593B1 (en) 2004-07-02 2006-08-28 삼성전기주식회사 Multi-Function Actuator having Function of Preventing Vibration Generation
WO2010133501A1 (en) * 2009-05-18 2010-11-25 Sick Ag A sensor for detecting metal objects
EP2565657A1 (en) * 2011-09-01 2013-03-06 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Apparatus for testing the interconnection of photovoltaic cells

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293816A (en) * 1979-07-09 1981-10-06 White's Electronics, Inc. Balanced search loop for metal detector
EP0219855A2 (en) * 1985-10-24 1987-04-29 Klaus Ebinger Method for searching and sounding inhomogeneities, and circuitry for carrying out this method
GB2200216A (en) * 1987-01-09 1988-07-27 Kolectric Limited Measuring proximity of a metal object
EP0279190A2 (en) * 1987-02-19 1988-08-24 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG Inductive detection apparatus
EP0304272A2 (en) * 1987-08-17 1989-02-22 Sigma Limited Inductive proximity sensor
EP0353035A2 (en) * 1988-07-26 1990-01-31 Yamato Scale Co., Ltd. Foreign matter detector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293816A (en) * 1979-07-09 1981-10-06 White's Electronics, Inc. Balanced search loop for metal detector
EP0219855A2 (en) * 1985-10-24 1987-04-29 Klaus Ebinger Method for searching and sounding inhomogeneities, and circuitry for carrying out this method
GB2200216A (en) * 1987-01-09 1988-07-27 Kolectric Limited Measuring proximity of a metal object
EP0279190A2 (en) * 1987-02-19 1988-08-24 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG Inductive detection apparatus
EP0304272A2 (en) * 1987-08-17 1989-02-22 Sigma Limited Inductive proximity sensor
EP0353035A2 (en) * 1988-07-26 1990-01-31 Yamato Scale Co., Ltd. Foreign matter detector

Also Published As

Publication number Publication date
GB2262606A (en) 1993-06-23
GB9126675D0 (en) 1992-02-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031216