SE9802935D0 - Förfarande samt anordning för utförande av på magnetism baserade mätningar - Google Patents

Förfarande samt anordning för utförande av på magnetism baserade mätningar

Info

Publication number
SE9802935D0
SE9802935D0 SE9802935A SE9802935A SE9802935D0 SE 9802935 D0 SE9802935 D0 SE 9802935D0 SE 9802935 A SE9802935 A SE 9802935A SE 9802935 A SE9802935 A SE 9802935A SE 9802935 D0 SE9802935 D0 SE 9802935D0
Authority
SE
Sweden
Prior art keywords
carrying
out measurements
polarity
change
magnetism
Prior art date
Application number
SE9802935A
Other languages
English (en)
Other versions
SE9802935L (sv
SE520723C2 (sv
Inventor
Anders Eidenvall
Martin Sehlstedt
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9802935A priority Critical patent/SE520723C2/sv
Publication of SE9802935D0 publication Critical patent/SE9802935D0/sv
Priority to US09/763,876 priority patent/US6504364B1/en
Priority to EP99968263A priority patent/EP1110105A1/en
Priority to JP2000567973A priority patent/JP2002523787A/ja
Priority to PCT/SE1999/001508 priority patent/WO2000013045A1/en
Priority to AU60144/99A priority patent/AU6014499A/en
Publication of SE9802935L publication Critical patent/SE9802935L/sv
Publication of SE520723C2 publication Critical patent/SE520723C2/sv

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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Magnetic Variables (AREA)
SE9802935A 1998-09-01 1998-09-01 Förfarande samt anordning för utförande av på magnetism baserade mätningar SE520723C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9802935A SE520723C2 (sv) 1998-09-01 1998-09-01 Förfarande samt anordning för utförande av på magnetism baserade mätningar
US09/763,876 US6504364B1 (en) 1998-09-01 1999-09-01 Method and apparatus for improved electomagnetic measurement of metallic material
EP99968263A EP1110105A1 (en) 1998-09-01 1999-09-01 A method and a device for carrying out measurements based upon magnetism
JP2000567973A JP2002523787A (ja) 1998-09-01 1999-09-01 磁気に基づく測定の実施方法及び装置
PCT/SE1999/001508 WO2000013045A1 (en) 1998-09-01 1999-09-01 A method and a device for carrying out measurements based upon magnetism
AU60144/99A AU6014499A (en) 1998-09-01 1999-09-01 A method and a device for carrying out measurements based upon magnetism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802935A SE520723C2 (sv) 1998-09-01 1998-09-01 Förfarande samt anordning för utförande av på magnetism baserade mätningar

Publications (3)

Publication Number Publication Date
SE9802935D0 true SE9802935D0 (sv) 1998-09-01
SE9802935L SE9802935L (sv) 2000-03-02
SE520723C2 SE520723C2 (sv) 2003-08-19

Family

ID=20412433

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802935A SE520723C2 (sv) 1998-09-01 1998-09-01 Förfarande samt anordning för utförande av på magnetism baserade mätningar

Country Status (6)

Country Link
US (1) US6504364B1 (sv)
EP (1) EP1110105A1 (sv)
JP (1) JP2002523787A (sv)
AU (1) AU6014499A (sv)
SE (1) SE520723C2 (sv)
WO (1) WO2000013045A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6764068B1 (en) * 2003-06-06 2004-07-20 Hewlett-Packard Development Company, L.P. Document processing apparatus and method
WO2008125621A1 (en) * 2007-04-13 2008-10-23 Alert Metalguard Aps A method, a device and a system for preventing false alarms in a theft-preventing system
EP3550562B1 (en) * 2013-02-22 2020-10-28 Telefonaktiebolaget LM Ericsson (publ) Methods and apparatuses for dtx hangover in audio coding
JP6998180B2 (ja) * 2017-11-10 2022-01-18 日東精工アナリテック株式会社 吸光光度法を利用した流れ分析法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418996B (sv) * 1977-09-19 1981-07-06 Atomenergi Ab Forfarande och anordning for elektromagnetisk storhetsmetning i samband med ett elektriskt ledande material med hog temperatur
JPS5960274A (ja) * 1982-09-30 1984-04-06 Anritsu Corp 金属検出装置
US4613815A (en) * 1983-04-27 1986-09-23 Pall Corporation Electromagnetic detector for metallic materials having an improved phase detection circuit
US4868499A (en) * 1988-06-23 1989-09-19 Honeywell, Inc. Object detector with feedback which holds constant the product of the transmitter coil current and frequency to maintain constant sensor voltage output
JP3072304B2 (ja) * 1994-09-14 2000-07-31 株式会社関電工 金属探知方法

Also Published As

Publication number Publication date
SE9802935L (sv) 2000-03-02
WO2000013045A1 (en) 2000-03-09
US6504364B1 (en) 2003-01-07
JP2002523787A (ja) 2002-07-30
AU6014499A (en) 2000-03-21
EP1110105A1 (en) 2001-06-27
SE520723C2 (sv) 2003-08-19

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Legal Events

Date Code Title Description
NUG Patent has lapsed