GB2258314B - Device for measuring local magnetic field distributions - Google Patents

Device for measuring local magnetic field distributions

Info

Publication number
GB2258314B
GB2258314B GB9216217A GB9216217A GB2258314B GB 2258314 B GB2258314 B GB 2258314B GB 9216217 A GB9216217 A GB 9216217A GB 9216217 A GB9216217 A GB 9216217A GB 2258314 B GB2258314 B GB 2258314B
Authority
GB
United Kingdom
Prior art keywords
magnetic field
local magnetic
field distributions
measuring local
measuring
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
GB9216217A
Other versions
GB2258314A (en
GB9216217D0 (en
Inventor
Wolfgang Ludwig
Wolfgang Eschner
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
Priority claimed from DE4125733A external-priority patent/DE4125733C1/de
Application filed by Dornier GmbH filed Critical Dornier GmbH
Publication of GB9216217D0 publication Critical patent/GB9216217D0/en
Publication of GB2258314A publication Critical patent/GB2258314A/en
Application granted granted Critical
Publication of GB2258314B publication Critical patent/GB2258314B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Human Computer Interaction (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
GB9216217A 1991-08-02 1992-07-30 Device for measuring local magnetic field distributions Expired - Fee Related GB2258314B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4125733A DE4125733C1 (en) 1990-02-17 1991-08-02

Publications (3)

Publication Number Publication Date
GB9216217D0 GB9216217D0 (en) 1992-09-09
GB2258314A GB2258314A (en) 1993-02-03
GB2258314B true GB2258314B (en) 1995-07-19

Family

ID=6437618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9216217A Expired - Fee Related GB2258314B (en) 1991-08-02 1992-07-30 Device for measuring local magnetic field distributions

Country Status (2)

Country Link
FR (1) FR2680008B1 (en)
GB (1) GB2258314B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187436A (en) * 1992-03-13 1993-02-16 General Electric Company Noise cancellation method in a biomagnetic measurement system using an extrapolated reference measurement
US5657756A (en) * 1995-06-07 1997-08-19 Ctf Systems Inc. Method and systems for obtaining higher order gradiometer measurements with lower order gradiometers
AU2003249772B2 (en) * 2002-08-07 2009-03-05 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for magnetic field detection
AU2002950624A0 (en) * 2002-08-07 2002-09-12 Commonwealth Scientific And Industrial Research Organisation Superconducting quantum interference device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005079A1 (en) * 1990-02-17 1991-08-22 Dornier Gmbh Magnetic field gradient tensor measurement - uses five or more planar gradiometers on three or more non-parallel surfaces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320341A (en) * 1980-01-17 1982-03-16 Sperry Corporation Method and apparatus for balancing the magnetic field detecting loops of a cryogenic gradiometer using trimming coils and superconducting disks
US4590426A (en) * 1983-12-08 1986-05-20 Sperry Corporation Bzz and Byz sense loop geometries for cylindrical tensor gradiometer loop structures

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005079A1 (en) * 1990-02-17 1991-08-22 Dornier Gmbh Magnetic field gradient tensor measurement - uses five or more planar gradiometers on three or more non-parallel surfaces

Also Published As

Publication number Publication date
GB2258314A (en) 1993-02-03
FR2680008A1 (en) 1993-02-05
FR2680008B1 (en) 1994-07-01
GB9216217D0 (en) 1992-09-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020730