JPS53121648A - Detecting method of ferromagnetic substances and apparatus for carrying out the method - Google Patents

Detecting method of ferromagnetic substances and apparatus for carrying out the method

Info

Publication number
JPS53121648A
JPS53121648A JP1037778A JP1037778A JPS53121648A JP S53121648 A JPS53121648 A JP S53121648A JP 1037778 A JP1037778 A JP 1037778A JP 1037778 A JP1037778 A JP 1037778A JP S53121648 A JPS53121648 A JP S53121648A
Authority
JP
Japan
Prior art keywords
carrying
ferromagnetic substances
detecting method
detecting
ferromagnetic
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.)
Pending
Application number
JP1037778A
Other languages
Japanese (ja)
Inventor
Reichi Matsukudoogaru Aian
Nooman Uiruson Maachin
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.)
Imperial Metal Industries Kynoch Ltd
Science Research Council
Original Assignee
Imperial Metal Industries Kynoch Ltd
Science Research Council
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 Imperial Metal Industries Kynoch Ltd, Science Research Council filed Critical Imperial Metal Industries Kynoch Ltd
Publication of JPS53121648A publication Critical patent/JPS53121648A/en
Pending 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
    • G01V3/105—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 forming directly coupled primary and secondary coils or loops
    • G01V3/107—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 forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements
JP1037778A 1977-02-01 1978-02-01 Detecting method of ferromagnetic substances and apparatus for carrying out the method Pending JPS53121648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB401577A GB1570640A (en) 1977-02-01 1977-02-01 Magnetic detector

Publications (1)

Publication Number Publication Date
JPS53121648A true JPS53121648A (en) 1978-10-24

Family

ID=9769153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1037778A Pending JPS53121648A (en) 1977-02-01 1978-02-01 Detecting method of ferromagnetic substances and apparatus for carrying out the method

Country Status (5)

Country Link
JP (1) JPS53121648A (en)
CA (1) CA1122669A (en)
DE (1) DE2804090A1 (en)
FR (1) FR2379077A1 (en)
GB (1) GB1570640A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494447A1 (en) * 1980-11-14 1982-05-21 Radiotechnique Moving metal component detector for automatic machine - uses presence of metallic object passing through coil to stop oscillatory circuit and provide output from monostable
DE3840848A1 (en) * 1988-12-03 1990-06-07 Draegerwerk Ag MATERIAL WITH PRESETABLE MAGNETIC SUSCEPTIBILITY
GB8920957D0 (en) * 1989-09-15 1989-11-01 Hitech Metal Detectors Ltd Metal detecting apparatus and apparatus for testing metal detecting apparatus
WO1992001956A1 (en) * 1990-07-20 1992-02-06 John Lysaght (Australia) Limited Strip position sensor
DE19830584C2 (en) * 1997-10-11 2001-11-22 Mesutronic Geraetebau Gmbh Sensor device
DE19954716B4 (en) * 1999-11-13 2006-08-31 Mesutronic Gerätebau GmbH Function test for a metal detector
CN101571598B (en) * 2009-05-26 2011-07-27 包剑刚 Detector for small iron parts
CN104549726B (en) * 2015-01-04 2017-01-25 湖北省地质勘查装备中心 Medium-magnetism electromagnetic sorter
US10274630B2 (en) 2015-06-02 2019-04-30 Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future Tramp metal detection
CN112824871B (en) * 2019-11-20 2022-11-15 中国南方电网有限责任公司超高压输电公司贵阳局 Grounding grid defect diagnosis method based on transient electromagnetic apparent resistivity imaging technology
CN116380163B (en) * 2023-03-29 2024-01-19 青岛峻海物联科技有限公司 Sensing device for intelligent environment data acquisition of Internet of things

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120792A (en) * 1975-04-16 1976-10-22 Densoku Kogyo Kk Device for detecting metals mixed in fluids

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045769A (en) * 1928-05-31 1936-06-30 Rca Corp Electrical control circuit
US2315045A (en) * 1939-10-09 1943-03-30 Illinois Testing Laboratories Metal detection device
US2444751A (en) * 1946-02-12 1948-07-06 Western Electric Co Method and apparatus for sorting magnetic materials according to their residual magnetism
FR928347A (en) * 1946-05-20 1947-11-25 Improvements to devices for detecting ferrous or magnetic bodies or irregularities which exist in ferrous or magnetic objects

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120792A (en) * 1975-04-16 1976-10-22 Densoku Kogyo Kk Device for detecting metals mixed in fluids

Also Published As

Publication number Publication date
GB1570640A (en) 1980-07-02
DE2804090A1 (en) 1978-08-24
CA1122669A (en) 1982-04-27
FR2379077B1 (en) 1984-05-25
FR2379077A1 (en) 1978-08-25

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