DE69832475D1 - Magnetometer mit spule und magnetkern hoher permeabilität - Google Patents

Magnetometer mit spule und magnetkern hoher permeabilität

Info

Publication number
DE69832475D1
DE69832475D1 DE69832475T DE69832475T DE69832475D1 DE 69832475 D1 DE69832475 D1 DE 69832475D1 DE 69832475 T DE69832475 T DE 69832475T DE 69832475 T DE69832475 T DE 69832475T DE 69832475 D1 DE69832475 D1 DE 69832475D1
Authority
DE
Germany
Prior art keywords
magnetometer
coil
magnetic core
high permeability
core high
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 - Lifetime
Application number
DE69832475T
Other languages
English (en)
Other versions
DE69832475T2 (de
Inventor
J James
George Hsu
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.)
PNI Corp
Original Assignee
PNI Corp
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 PNI Corp filed Critical PNI Corp
Publication of DE69832475D1 publication Critical patent/DE69832475D1/de
Application granted granted Critical
Publication of DE69832475T2 publication Critical patent/DE69832475T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Measuring Magnetic Variables (AREA)
DE69832475T 1997-04-01 1998-04-01 Magnetometer mit spule und magnetkern hoher permeabilität Expired - Lifetime DE69832475T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/831,322 US6084406A (en) 1997-04-01 1997-04-01 Half-cycle saturable-core magnetometer circuit
US831322 1997-04-01
PCT/US1998/006451 WO1998044358A1 (en) 1997-04-01 1998-04-01 Magnetometer with coil and high permeabiliy core

Publications (2)

Publication Number Publication Date
DE69832475D1 true DE69832475D1 (de) 2005-12-29
DE69832475T2 DE69832475T2 (de) 2006-08-10

Family

ID=25258793

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69832475T Expired - Lifetime DE69832475T2 (de) 1997-04-01 1998-04-01 Magnetometer mit spule und magnetkern hoher permeabilität

Country Status (5)

Country Link
US (1) US6084406A (de)
EP (1) EP0972208B1 (de)
JP (1) JP3293835B2 (de)
DE (1) DE69832475T2 (de)
WO (1) WO1998044358A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000067858A1 (en) * 1999-05-06 2000-11-16 Gerhard Stephanus Mynhardt Apparatus for determining when a swimmer turns
US6760678B1 (en) 2000-04-11 2004-07-06 Electronics Tomorrow Limited Electronic compass
JP3713422B2 (ja) 2000-07-18 2005-11-09 ヒロセ電機株式会社 パルス信号発生装置並びにパルス信号発生装置に使用するコイル巻きボビンおよびその製造方法
JP2003075157A (ja) * 2001-09-06 2003-03-12 Seiko Instruments Inc 電子機器
US6653831B2 (en) * 2001-11-20 2003-11-25 Gentex Corporation Magnetometer having a dynamically adjustable bias setting and electronic vehicle compass incorporating the same
US6968273B2 (en) * 2002-03-01 2005-11-22 Gentex Corporation Electronic compass system
US7149627B2 (en) 2002-03-01 2006-12-12 Gentex Corporation Electronic compass system
US20050116801A1 (en) * 2003-03-07 2005-06-02 Proehl Gregory L. Sensor coil and method of manufacturing same
US7145321B2 (en) 2005-02-25 2006-12-05 Sandquist David A Current sensor with magnetic toroid
US20090105779A1 (en) * 2006-03-08 2009-04-23 Ascension Technology Corporation Lead Tracking Of Implantable Cardioverter-Defibrillator (ICD) And Cardiac Resynchronization Therapy (CRT) Devices
US8008908B2 (en) * 2007-06-25 2011-08-30 Allegro Microsystems, Inc. Low power magnetic field sensor
US7755349B2 (en) * 2008-03-03 2010-07-13 Memsic, Inc. Correcting offset in magneto-resistive devices
US8222888B2 (en) * 2008-09-29 2012-07-17 Allegro Microsystems, Inc. Micro-power magnetic switch
US20110245693A1 (en) * 2010-03-30 2011-10-06 Boston Scientific Scimed, Inc. Intravascular pressure sensing
US9181768B2 (en) * 2011-06-15 2015-11-10 Pcs Ferguson, Inc. Method and apparatus for detecting plunger arrival
US8970209B2 (en) * 2012-06-12 2015-03-03 Freescale Semiconductor, Inc. VRS interface with 1/T arming function
US10408666B2 (en) 2015-10-13 2019-09-10 Medallion Instrumentation Systems, Llc Fluid level sensor
CN106772135B (zh) * 2017-03-21 2019-08-27 吉林大学 一种卷绕空心磁芯的星载感应式磁传感器及制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314200A (en) * 1977-09-01 1982-02-02 Bbc Brown, Boveri & Company Limited Method and apparatus for detection of magnetization
US4403515A (en) * 1980-08-29 1983-09-13 Aisin Seiki Company, Limited Position sensor
ATE15553T1 (de) * 1981-05-26 1985-09-15 Siemens Ag Verfahren und anordnung zur bestimmung eines magnetfeldes.
GB8612359D0 (en) * 1986-05-21 1986-09-17 Gec Avionics Magnetic field detection indicating devices
US4851775A (en) * 1987-07-02 1989-07-25 Precision Navigation, Incorporated Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core
US5351004A (en) * 1991-10-15 1994-09-27 Eldec Corporation Saturable core proximity sensor including a flux director and a magnetic target element
US5239264A (en) * 1991-11-14 1993-08-24 Precision Navigation, Inc. Zero-offset magnetometer having coil and core sensor controlling period of an oscillator circuit
US5334935A (en) * 1992-10-27 1994-08-02 Halliburton Company Apparatus and method for detecting weak magnetic fields having a saturable core shaped to cancel magnetic fields parallel to the core
US5642046A (en) * 1994-06-08 1997-06-24 Magknowledge Inc. Low power magnetometer circuits requiring a single switching cycle
SE9404374D0 (sv) * 1994-12-15 1994-12-15 Pacesetter Ab Magnetfältsdetektor
JPH09152473A (ja) * 1995-09-29 1997-06-10 Sony Corp 磁気探知装置

Also Published As

Publication number Publication date
JP3293835B2 (ja) 2002-06-17
US6084406A (en) 2000-07-04
WO1998044358A1 (en) 1998-10-08
JP2000516725A (ja) 2000-12-12
EP0972208B1 (de) 2005-11-23
EP0972208A4 (de) 2002-01-30
EP0972208A1 (de) 2000-01-19
DE69832475T2 (de) 2006-08-10

Similar Documents

Publication Publication Date Title
DE69832475D1 (de) Magnetometer mit spule und magnetkern hoher permeabilität
DE69821278D1 (de) Magnetkern und Herstellungsverfahren
DE69520481D1 (de) Mikro-Elektromagnet mit integrierten Magnetkreis und Spule
DE69325486D1 (de) Magnetfeld-gradientenspule
DE69520939D1 (de) Supraleitende magnetspule
DE69829029D1 (de) Kernspintomograph mit planarer Gradientenspulenanordnung
NO976053D0 (no) Kombinert kjernemagnetisk resonans- og elektromagnetisk induksjonresistivitets-brönnloggeinstrument og -fremgangsmåte
EP1212760A4 (de) Supraleitende magnetspule
DE69919723D1 (de) Induktiver magnetischer Sensor mit mehreren enggekoppelten Wicklungen
IL135081A0 (en) Core and coil structure and method of making the same
SG87185A1 (en) Magnetic element with improved field response and fabricating method thereof
DE19781961T1 (de) Elektromagnetspulenanordnung und -verbindung
DE69224354D1 (de) Magnetisches Resonanzverfahren
DE69428628D1 (de) Gradientenspule
DE59809820D1 (de) Magnetkern
DE69817252D1 (de) Supraleitende Spule
DE69517186D1 (de) Supraleitende magnetspule
DE69523883D1 (de) Supraleitender Magnet mit Helium-Rekondensierung
DE60027629D1 (de) Magnetaufzeichnungsgerät und -methode
DE69825219D1 (de) Magnetowiderstandseffektfilm und Magnetowiderstandseffekttmagnetkopf
DE69813093D1 (de) Amorphes Magnetmaterial und Magnetkern davon
DE60217772D1 (de) Mn-Zn Ferrit und Spulenbestandteil mit Mn-Zn Ferritkern
DE69700656D1 (de) Senkrechter magnetkopf mit integrierter spule und herstellungsverfahren
DE69739504D1 (de) Her magnetresonanz
DE69128171D1 (de) Resonanz- und Richtungsmagnetometer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition