SE373673B - Anordning for elektromagnetisk detektering av pa en transportor framforda omagnetiska, ledande exv. metalliska kroppar - Google Patents

Anordning for elektromagnetisk detektering av pa en transportor framforda omagnetiska, ledande exv. metalliska kroppar

Info

Publication number
SE373673B
SE373673B SE6804018A SE401868A SE373673B SE 373673 B SE373673 B SE 373673B SE 6804018 A SE6804018 A SE 6804018A SE 401868 A SE401868 A SE 401868A SE 373673 B SE373673 B SE 373673B
Authority
SE
Sweden
Prior art keywords
omagnetic
exv
transporter
leading
perform
Prior art date
Application number
SE6804018A
Other languages
English (en)
Swedish (sv)
Inventor
K B Fallenius
K A Varmola
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of SE373673B publication Critical patent/SE373673B/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
    • 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

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)
SE6804018A 1967-04-10 1968-03-26 Anordning for elektromagnetisk detektering av pa en transportor framforda omagnetiska, ledande exv. metalliska kroppar SE373673B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI1053/67A FI40646B (fi) 1967-04-10 1967-04-10

Publications (1)

Publication Number Publication Date
SE373673B true SE373673B (sv) 1975-02-10

Family

ID=8505029

Family Applications (1)

Application Number Title Priority Date Filing Date
SE6804018A SE373673B (sv) 1967-04-10 1968-03-26 Anordning for elektromagnetisk detektering av pa en transportor framforda omagnetiska, ledande exv. metalliska kroppar

Country Status (7)

Country Link
US (1) US3588685A (fi)
JP (1) JPS507779B1 (fi)
DE (1) DE1758116B1 (fi)
FI (1) FI40646B (fi)
GB (1) GB1219480A (fi)
SE (1) SE373673B (fi)
SU (2) SU377993A3 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763424A (en) * 1971-07-15 1973-10-02 Sperry Rand Corp Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US3950696A (en) * 1974-04-29 1976-04-13 Westinghouse Electric Corporation Trapezoidal coil configuration for metal detector in the shape of an inverted u
DE2651961C2 (de) * 1976-11-15 1985-05-30 Hochtemperatur-Reaktorbau GmbH, 6800 Mannheim Anzeigevorrichtung für die Anzahl und evtl. die Richtung von sich bewegenden, unmittelbar aufeinanderfolgenden leitfähigen Kugeln
GB2110825B (en) * 1981-11-06 1986-04-30 Outokumpu Oy Apparatus for detecting metal objects
US4613815A (en) * 1983-04-27 1986-09-23 Pall Corporation Electromagnetic detector for metallic materials having an improved phase detection circuit
DE3530082A1 (de) * 1985-08-22 1987-02-26 Micro Epsilon Messtechnik Verfahren zum beruehrungslosen vermessen elektrisch leitfaehiger objekte und vorrichtung zur durchfuehrung des verfahrens
DE3567112D1 (en) * 1985-11-02 1989-02-02 Vallon Gmbh Metal detector for detecting metal objects
GB2197480A (en) * 1986-11-15 1988-05-18 Loma Engineering Limited Metal detectors
WO1992001956A1 (en) * 1990-07-20 1992-02-06 John Lysaght (Australia) Limited Strip position sensor
DE4129882C2 (de) * 1990-09-17 2002-02-07 Truetzschler Gmbh & Co Kg Vorrichtung zum Abscheiden metallischer Verunreinigungen aus einer Fasertransportstrecke in der Spinnereivorbereitung
US5307042A (en) * 1992-02-19 1994-04-26 B&D Liquidation Corp. Search coil frame assembly for metal and method for making same
US5249612A (en) * 1992-07-24 1993-10-05 Bti, Inc. Apparatus and methods for controlling fluid dispensing
AU2015362067B2 (en) * 2014-12-09 2021-07-29 Cmte Development Limited Method and system for the detection of conductive objects
CN106950516B (zh) * 2017-03-24 2019-06-14 中国科学院上海微系统与信息技术研究所 一种微弱涡流磁场测量装置及方法

Also Published As

Publication number Publication date
FI40646B (fi) 1968-12-31
SU377993A3 (fi) 1973-04-17
JPS507779B1 (fi) 1975-03-28
US3588685A (en) 1971-06-28
SU448656A3 (ru) 1974-10-30
GB1219480A (en) 1971-01-13
DE1758116B1 (de) 1971-10-07

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