GB9923648D0 - Acoustic liner - Google Patents

Acoustic liner

Info

Publication number
GB9923648D0
GB9923648D0 GBGB9923648.1A GB9923648A GB9923648D0 GB 9923648 D0 GB9923648 D0 GB 9923648D0 GB 9923648 A GB9923648 A GB 9923648A GB 9923648 D0 GB9923648 D0 GB 9923648D0
Authority
GB
United Kingdom
Prior art keywords
acoustic liner
liner
acoustic
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.)
Ceased
Application number
GBGB9923648.1A
Other languages
English (en)
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.)
Magnex Scientific Ltd
Original Assignee
Magnex Scientific Ltd
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 Magnex Scientific Ltd filed Critical Magnex Scientific Ltd
Priority to GBGB9923648.1A priority Critical patent/GB9923648D0/en
Publication of GB9923648D0 publication Critical patent/GB9923648D0/en
Priority to EP00966314A priority patent/EP1149301A1/en
Priority to US09/857,555 priority patent/US6492816B1/en
Priority to JP2001528717A priority patent/JP4669182B2/ja
Priority to PCT/GB2000/003890 priority patent/WO2001025808A1/en
Ceased 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
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GBGB9923648.1A 1999-10-07 1999-10-07 Acoustic liner Ceased GB9923648D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9923648.1A GB9923648D0 (en) 1999-10-07 1999-10-07 Acoustic liner
EP00966314A EP1149301A1 (en) 1999-10-07 2000-10-09 Acoustic liner for mri gradient coils
US09/857,555 US6492816B1 (en) 1999-10-07 2000-10-09 Acoustic liner for mri gradient coils
JP2001528717A JP4669182B2 (ja) 1999-10-07 2000-10-09 Ｍｒｉ勾配コイルの音波ライナー
PCT/GB2000/003890 WO2001025808A1 (en) 1999-10-07 2000-10-09 Acoustic liner for mri gradient coils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9923648.1A GB9923648D0 (en) 1999-10-07 1999-10-07 Acoustic liner

Publications (1)

Publication Number Publication Date
GB9923648D0 true GB9923648D0 (en) 1999-12-08

Family

ID=10862237

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9923648.1A Ceased GB9923648D0 (en) 1999-10-07 1999-10-07 Acoustic liner

Country Status (5)

Country Link
US (1) US6492816B1 (https=)
EP (1) EP1149301A1 (https=)
JP (1) JP4669182B2 (https=)
GB (1) GB9923648D0 (https=)
WO (1) WO2001025808A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1348135B1 (en) * 2000-12-22 2006-05-03 Koninklijke Philips Electronics N.V. Medical examination apparatus provided with at least one magnet and noise-absorbing material
DE10217384C1 (de) * 2002-04-18 2003-12-24 Siemens Ag Gradientenspulensystem
US7068033B2 (en) * 2003-08-18 2006-06-27 Ge Medical Systems Global Technology Company, Llc Acoustically damped gradient coil
US8354837B2 (en) * 2003-09-24 2013-01-15 Ge Medical Systems Global Technology Company Llc System and method for electromagnetic tracking operable with multiple coil architectures
JP4497973B2 (ja) * 2004-03-24 2010-07-07 株式会社東芝 磁気共鳴イメージング装置
US7719272B2 (en) * 2007-05-18 2010-05-18 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US20120025829A1 (en) * 2010-07-27 2012-02-02 General Electric Company Acoustically damped gradient coil
FR2972790A1 (fr) 2011-03-14 2012-09-21 Commissariat Energie Atomique Module recepteur pour centrale solaire a surveillance thermique integree
US8766635B2 (en) * 2011-06-30 2014-07-01 General Electric Company System and apparatus for balancing radial forces in a gradient coil
FR2981737A1 (fr) 2011-10-24 2013-04-26 Commissariat Energie Atomique Systeme de mesure de flux solaire pour recepteur de centrale solaire
US10527694B2 (en) * 2015-11-12 2020-01-07 General Electric Company Magnetic resonance imaging system and an associated method thereof
JP2017176313A (ja) * 2016-03-29 2017-10-05 株式会社日立製作所 核磁気共鳴イメージング装置用音響発生器およびこれを備えた核磁気共鳴イメージング装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208817A (ja) * 1988-02-17 1989-08-22 Fuji Electric Co Ltd 核磁気共鳴形診断装置のマグネット装置
US4979519A (en) * 1988-05-05 1990-12-25 Board Of Regents, University Of Texas System Head positioning system for accurate cranial alignment and dimension in magnetic resonance
JPH0252638A (ja) * 1988-08-16 1990-02-22 Toshiba Corp 磁気共鳴イメージング装置
DE3833592A1 (de) * 1988-10-03 1990-04-05 Philips Patentverwaltung Vorrichtung zur geraeuschdaempfung und hochfrequenz-abschirmung des patienten-aufnahmeraumes im feld des magneten eines mr-tomographiegeraetes
JPH03173530A (ja) * 1989-12-04 1991-07-26 Hitachi Ltd 磁気共鳴イメージング装置の傾斜磁場コイル
US5554929A (en) * 1993-03-12 1996-09-10 Doty Scientific, Inc. Crescent gradient coils
GB9311321D0 (en) * 1993-06-02 1993-07-21 British Tech Group Apparatus for and methods of acoustic and magnetic screening
DE4432747C2 (de) * 1993-09-17 1997-03-27 Hitachi Medical Corp Vorrichtung und Verfahren zur Geräuschdämpfung in einem Kernspintomographen
US5698977A (en) * 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
JPH08154918A (ja) * 1994-12-06 1996-06-18 Hitachi Medical Corp 磁気共鳴イメ−ジング装置
DE19511834A1 (de) * 1995-03-30 1996-10-02 Siemens Ag Diagnostisches Magnetresonanzgerät
GB9506829D0 (en) * 1995-04-01 1995-05-24 Mansfield Peter Active acoustic screening for quiet gradient coils in mri
US6081117A (en) * 1997-08-11 2000-06-27 Panacea Medical Laboratories Noise modulation for open access and remotely positioned MRI
GB9920185D0 (en) * 1999-08-27 1999-10-27 Mansfield Peter Active acoustic control for gradient coil structures in MRI

Also Published As

Publication number Publication date
US6492816B1 (en) 2002-12-10
JP4669182B2 (ja) 2011-04-13
JP2003511121A (ja) 2003-03-25
EP1149301A1 (en) 2001-10-31
WO2001025808A1 (en) 2001-04-12

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)