FR2658615B1 - Dispositif de determination complete du tenseur de gradients d'un champ magnetique. - Google Patents

Dispositif de determination complete du tenseur de gradients d'un champ magnetique.

Info

Publication number
FR2658615B1
FR2658615B1 FR9101811A FR9101811A FR2658615B1 FR 2658615 B1 FR2658615 B1 FR 2658615B1 FR 9101811 A FR9101811 A FR 9101811A FR 9101811 A FR9101811 A FR 9101811A FR 2658615 B1 FR2658615 B1 FR 2658615B1
Authority
FR
France
Prior art keywords
tensioner
gradients
magnetic field
completely determining
completely
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 - Fee Related
Application number
FR9101811A
Other languages
English (en)
Other versions
FR2658615A1 (fr
Inventor
Wolfgang Eschner
Wolfgang Ludwig
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.)
Dornier GmbH
Original Assignee
Dornier GmbH
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 Dornier GmbH filed Critical Dornier GmbH
Publication of FR2658615A1 publication Critical patent/FR2658615A1/fr
Application granted granted Critical
Publication of FR2658615B1 publication Critical patent/FR2658615B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R33/022—Measuring gradient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer using superconductive quantum interference device, i.e. squid
FR9101811A 1990-02-17 1991-02-15 Dispositif de determination complete du tenseur de gradients d'un champ magnetique. Expired - Fee Related FR2658615B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4005079A DE4005079A1 (de) 1990-02-17 1990-02-17 Vorrichtung zur vollstaendigen bestimmung des gradiententensors eines magnetfelds

Publications (2)

Publication Number Publication Date
FR2658615A1 FR2658615A1 (fr) 1991-08-23
FR2658615B1 true FR2658615B1 (fr) 1994-09-23

Family

ID=6400426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9101811A Expired - Fee Related FR2658615B1 (fr) 1990-02-17 1991-02-15 Dispositif de determination complete du tenseur de gradients d'un champ magnetique.

Country Status (3)

Country Link
US (1) US5469056A (fr)
DE (1) DE4005079A1 (fr)
FR (1) FR2658615B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311129A (en) * 1990-02-02 1994-05-10 Dornier Gmbh Local magnetic field measurement apparatus having gradiometers arranged on non-parallel, non-orthogonal surfaces
GB2258314B (en) * 1991-08-02 1995-07-19 Dornier Gmbh Device for measuring local magnetic field distributions
US5187436A (en) * 1992-03-13 1993-02-16 General Electric Company Noise cancellation method in a biomagnetic measurement system using an extrapolated reference measurement
JP3204542B2 (ja) * 1992-07-24 2001-09-04 株式会社東芝 磁場源測定装置
US5657756A (en) * 1995-06-07 1997-08-19 Ctf Systems Inc. Method and systems for obtaining higher order gradiometer measurements with lower order gradiometers
US5842986A (en) 1995-08-16 1998-12-01 Proton Sciences Corp. Ferromagnetic foreign body screening method and apparatus
US6965792B2 (en) * 1996-06-25 2005-11-15 Mednovus, Inc. Susceptometers for foreign body detection
US6496713B2 (en) 1996-06-25 2002-12-17 Mednovus, Inc. Ferromagnetic foreign body detection with background canceling
US20020115925A1 (en) * 1996-06-25 2002-08-22 Avrin William F. Ferromagnetic foreign body detection utilizing eye movement
DE19712911C2 (de) * 1997-03-27 2001-09-13 Ford Global Tech Inc Magnetfeldsensor für schlüsselloses Zugangssystem insbesondere bei Kraftfahrzeugen sowie Verwendung des Magnetfeldsensors in einem Schaltkreis eines Kraftfahrzeuges
DE19725200A1 (de) * 1997-06-14 1998-08-13 Vallon Gmbh Vorrichtung und Verfahren zum Messen eines Magnetfeldes mit Sondentripel
US20030083588A1 (en) * 2001-10-29 2003-05-01 Mcclure Richard J. Pre-screening utilizing magnetic resonance imaging field
US20030216632A1 (en) * 2001-10-29 2003-11-20 Mednovus, Inc. Ferromagnetic sensing method and apparatus
US20040017192A1 (en) * 2002-04-15 2004-01-29 Clymer Technologies, Llc 3-axis magnetic angular orientation sensor
AU2002950624A0 (en) 2002-08-07 2002-09-12 Commonwealth Scientific And Industrial Research Organisation Superconducting quantum interference device
AU2003249772B2 (en) * 2002-08-07 2009-03-05 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for magnetic field detection
CN114137447B (zh) * 2022-02-07 2022-07-12 西南民族大学 磁梯度仪摆动噪声补偿方法、装置、电子设备及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE261847C (fr) *
US4386318A (en) * 1980-09-26 1983-05-31 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Method and apparatus to compensate a gradiometer having first and second unwanted terms
DE3247543A1 (de) * 1982-12-22 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur mehrkanaligen messung schwacher, sich aendernder magnetfelder und verfahren zu ihrer herstellung
US4590426A (en) * 1983-12-08 1986-05-20 Sperry Corporation Bzz and Byz sense loop geometries for cylindrical tensor gradiometer loop structures
FR2564601B1 (fr) * 1984-05-15 1987-02-06 Petroles Cie Francaise Appareil d'exploration magnetique pour trou de forage
EP0210489B2 (fr) * 1985-07-22 1993-11-18 Siemens Aktiengesellschaft Dispositif à plusieurs canaux pour mesurer des champs magnétiques faibles
JPS62187267A (ja) * 1986-02-13 1987-08-15 Nippon Telegr & Teleph Corp <Ntt> 超伝導磁界計測装置
JPS63131083A (ja) * 1986-11-20 1988-06-03 Nippon Telegr & Teleph Corp <Ntt> 超伝導磁界検出装置
FR2608776A1 (fr) * 1986-12-23 1988-06-24 Thomson Csf Magnetometre triaxial homocentrique
US5049813A (en) * 1987-04-17 1991-09-17 Everett/Charles Contact Products, Inc. Testing of integrated circuit devices on loaded printed circuit boards
EP0363658B1 (fr) * 1988-09-22 1993-08-04 Siemens Aktiengesellschaft Système de gradiomètre à boucles supraconductives pour un dispositif de mesure à canaux multiples

Also Published As

Publication number Publication date
DE4005079C2 (fr) 1992-01-16
US5469056A (en) 1995-11-21
DE4005079A1 (de) 1991-08-22
FR2658615A1 (fr) 1991-08-23

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Legal Events

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TP Transmission of property
ST Notification of lapse