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ZA87810B - Discriminatory detection of conducting particles - Google Patents

Discriminatory detection of conducting particles

Info

Publication number
ZA87810B
ZA87810B ZA87810A ZA87810A ZA87810B ZA 87810 B ZA87810 B ZA 87810B ZA 87810 A ZA87810 A ZA 87810A ZA 87810 A ZA87810 A ZA 87810A ZA 87810 B ZA87810 B ZA 87810B
Authority
ZA
South Africa
Prior art keywords
conducting particles
discriminatory detection
discriminatory
detection
conducting
Prior art date
Application number
ZA87810A
Other languages
English (en)
Inventor
Bruce Halcro Candy
Original Assignee
Minelab Electronic 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 Minelab Electronic Ltd filed Critical Minelab Electronic Ltd
Publication of ZA87810B publication Critical patent/ZA87810B/xx

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Cardiology (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Vascular Medicine (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Geophysics And Detection Of Objects (AREA)
ZA87810A 1986-02-04 1987-02-04 Discriminatory detection of conducting particles ZA87810B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPH442886 1986-02-04

Publications (1)

Publication Number Publication Date
ZA87810B true ZA87810B (en) 1987-09-30

Family

ID=3771455

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA87810A ZA87810B (en) 1986-02-04 1987-02-04 Discriminatory detection of conducting particles

Country Status (3)

Country Link
EP (1) EP0261142A1 (xx)
WO (1) WO1987004801A1 (xx)
ZA (1) ZA87810B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106175A (en) * 1989-12-28 1992-04-21 At&T Bell Laboratories Locatable object suitable for underground use and methods of locating same
US5642050A (en) * 1995-12-21 1997-06-24 White's Electronics, Inc. Plural frequency method and system for identifying metal objects in a background environment using a target model
US5654638A (en) * 1995-12-21 1997-08-05 White's Electronics, Inc. Plural Frequency method and system for identifying metal objects in a background environment
DE19648833A1 (de) * 1996-11-26 1998-05-28 Foerster Inst Dr Friedrich Verfahren und Vorrichtung zur Lokalisierung und Identifizierung von im Boden versteckten Suchobjekten, insbesondere Plastikminen
DE19648834A1 (de) * 1996-11-26 1998-05-28 Foerster Inst Dr Friedrich Verfahren zum Betrieb und zur Auswertung von Signalen einer Wirbelstromsonde und Vorrichtung zur Ausübung des Verfahrens
ATE465774T1 (de) * 2004-07-20 2010-05-15 Medtronic Inc Lokalisierung eines implantierten objekts auf basis einer externen antennenladung
WO2008040089A1 (en) * 2006-10-05 2008-04-10 Minelab Electronics Pty Limited Metal detector with improved magnetic soil response cancellation
WO2012045578A1 (en) 2010-10-07 2012-04-12 Mettlert-Toledo Safeline Limited Method for operating a metal detection system and metal detection system
EP2439559B1 (en) 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Method for operating of a metal detection system and metal detection system
EP2439560B1 (en) 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Method for monitoring the operation of a metal detection system and metal detection system
US9018935B2 (en) 2011-09-19 2015-04-28 Mettler-Toledo Safeline Limited Method for operating a metal detection apparatus and apparatus
WO2016003328A1 (ru) * 2014-07-02 2016-01-07 Виктор Олегович АРБУЗОВ Датчик металлодетектора и металлодетектор
US10119837B2 (en) * 2016-07-06 2018-11-06 Biosense Webster (Israel) Ltd. Magnetic-field generating circuit for a tracking system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015565B (de) * 1955-03-28 1957-09-12 Bataafsche Petroleum Hochdruckschmieroel
US3181057A (en) * 1960-09-19 1965-04-27 Halliburton Co Induction-guard well logging system with electrostatic shield guard electrodes
US3686564A (en) * 1970-10-08 1972-08-22 Westinghouse Electric Corp Multiple frequency magnetic field technique for differentiating between classes of metal objects
US3893020A (en) * 1973-08-27 1975-07-01 Texaco Inc Dual radio frequency apparatus for determining electromagnetic characteristics of earth formations using constant flux field generators
AU528607B2 (en) * 1979-04-27 1983-05-05 Georgetown University Magnetic detection apparatus + method
US4473800A (en) * 1980-11-14 1984-09-25 Mobil Oil Corporation Method for detecting magnetotelluric subsurface anomalies
SE430545B (sv) * 1982-04-01 1983-11-21 Asea Ab Anordning for detektering av metallforemal i ett materialflode

Also Published As

Publication number Publication date
EP0261142A1 (en) 1988-03-30
WO1987004801A1 (en) 1987-08-13

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