JPH0421113Y2 - - Google Patents

Info

Publication number
JPH0421113Y2
JPH0421113Y2 JP1988084000U JP8400088U JPH0421113Y2 JP H0421113 Y2 JPH0421113 Y2 JP H0421113Y2 JP 1988084000 U JP1988084000 U JP 1988084000U JP 8400088 U JP8400088 U JP 8400088U JP H0421113 Y2 JPH0421113 Y2 JP H0421113Y2
Authority
JP
Japan
Prior art keywords
casing
magnetic
magnetic field
metal
bar magnet
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
Application number
JP1988084000U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6419185U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 filed Critical
Publication of JPS6419185U publication Critical patent/JPS6419185U/ja
Application granted granted Critical
Publication of JPH0421113Y2 publication Critical patent/JPH0421113Y2/ja
Expired 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

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP1988084000U 1979-12-05 1988-06-27 Expired JPH0421113Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI793814A FI62910C (fi) 1979-12-05 1979-12-05 Anordning foer detektering av magnetiskt ledande metaller i enoerlig materialstroem

Publications (2)

Publication Number Publication Date
JPS6419185U JPS6419185U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-31
JPH0421113Y2 true JPH0421113Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-14

Family

ID=8513102

Family Applications (2)

Application Number Title Priority Date Filing Date
JP17105680A Pending JPS5687854A (en) 1979-12-05 1980-12-05 Device for detecting magnetic metal from moving material flow
JP1988084000U Expired JPH0421113Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-05 1988-06-27

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP17105680A Pending JPS5687854A (en) 1979-12-05 1980-12-05 Device for detecting magnetic metal from moving material flow

Country Status (11)

Country Link
US (1) US4906925A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS5687854A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT372111B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE886519A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1188736A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3045945C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI62910C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2471612A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2064781B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL174913C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE448405B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000986A1 (en) * 1989-07-10 1991-01-24 Tekelek Pty. Ltd. Flow detection
GB2249634A (en) * 1990-11-07 1992-05-13 Gec Ferranti Defence Syst Security system for a vehicle
DE4415592A1 (de) * 1994-04-28 1995-11-02 Whd Warenhandels Und Dienstlei Verfahren und Anordnung zur Prüfung von Metallfäden, -bändern und -partikeln
JP3451135B2 (ja) * 1994-09-09 2003-09-29 太平洋セメント株式会社 金属検出装置の検出ヘッド
CA2216079C (en) 1995-03-14 2006-05-16 Profile Technologies, Inc. Detection of suface amomalies in elongate conductive members by pulse propagation analysis
DE19518229A1 (de) * 1995-05-12 1996-11-14 Lfp Elektronische Spezialsiche Prüfvorrichtung in Bearbeitungsmaschinen
CA2247358A1 (en) 1996-02-27 1997-09-04 Profile Technologies, Inc. Pipe testing apparatus and method
RU2180129C2 (ru) * 1996-06-19 2002-02-27 Флайинг Налл Лимитед Детектор для обнаружения присутствия магнитной метки
US6084413A (en) * 1998-04-29 2000-07-04 Mohamed; Moustafa Abdel Kader Method and apparatus for detecting rock movement
DE19931326B4 (de) * 1999-06-29 2005-08-18 Köhler, Konstantin, Dr.-Ing. Verfahren und Vorrichtungen zur Diagnostik des Verbrennungsmotors durch eine Beurteilung der Änderung der Menge von ferromagnetischen Verschleißprodukten im Motoröl
US7642790B2 (en) * 2003-05-06 2010-01-05 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
US7196529B2 (en) * 2003-05-06 2007-03-27 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
WO2004102056A2 (en) * 2003-05-06 2004-11-25 Profile Technologies, Inc. Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering
US20200264298A1 (en) * 2019-02-19 2020-08-20 Haseltine Eric Multi-signal weapon detector
CN110389168B (zh) * 2019-07-23 2022-11-22 电子科技大学 一种基于磁性探测原理与电感法的发动机金属屑检测方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573152A (en) * 1943-05-21 1945-11-08 Alan Marsh Armour Improvements in or relating to the detection of faults in non-magnetic materials
US2819447A (en) * 1956-03-27 1958-01-07 Republic Steel Corp System for detecting conductive bodies
GB1270821A (en) * 1969-03-03 1972-04-19 Loma Engineering Ltd Ferromagnetic metal detector
JPS5269358A (en) * 1975-12-06 1977-06-09 Fuesuko Patorooru Kk Method of detecting metal applying magnetism
JPS5420757A (en) * 1977-07-15 1979-02-16 Shimadzu Corp Metal detector

Also Published As

Publication number Publication date
FI62910B (fi) 1982-11-30
SE8008564L (sv) 1981-06-06
BE886519A (fr) 1981-04-01
NL174913C (nl) 1984-09-03
US4906925A (en) 1990-03-06
DE3045945A1 (de) 1981-09-17
FI793814A7 (fi) 1981-06-06
FR2471612B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-02-03
AT372111B (de) 1983-09-12
FR2471612A1 (fr) 1981-06-19
DE3045945C2 (de) 1984-04-19
FI62910C (fi) 1983-03-10
NL174913B (nl) 1984-04-02
GB2064781B (en) 1984-01-25
GB2064781A (en) 1981-06-17
NL8006365A (nl) 1981-07-01
JPS6419185U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-31
ATA588180A (de) 1983-01-15
JPS5687854A (en) 1981-07-16
SE448405B (sv) 1987-02-16
CA1188736A (en) 1985-06-11

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