DE3764652D1 - Ringantenne fuer ein bilderzeugungsgeraet mittels magnetischer kernresonanz. - Google Patents

Ringantenne fuer ein bilderzeugungsgeraet mittels magnetischer kernresonanz.

Info

Publication number
DE3764652D1
DE3764652D1 DE8787400010T DE3764652T DE3764652D1 DE 3764652 D1 DE3764652 D1 DE 3764652D1 DE 8787400010 T DE8787400010 T DE 8787400010T DE 3764652 T DE3764652 T DE 3764652T DE 3764652 D1 DE3764652 D1 DE 3764652D1
Authority
DE
Germany
Prior art keywords
generating device
magnetic core
image generating
ring antenna
core resonance
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
DE8787400010T
Other languages
English (en)
Inventor
Jean-Pierre Kopp
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.)
General Electric CGR SA
Original Assignee
General Electric CGR SA
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 General Electric CGR SA filed Critical General Electric CGR SA
Application granted granted Critical
Publication of DE3764652D1 publication Critical patent/DE3764652D1/de
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
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
DE8787400010T 1986-01-07 1987-01-06 Ringantenne fuer ein bilderzeugungsgeraet mittels magnetischer kernresonanz. Expired - Fee Related DE3764652D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8600140A FR2592715B1 (fr) 1986-01-07 1986-01-07 Antenne orbite pour appareil d'imagerie par resonance magnetique nucleaire

Publications (1)

Publication Number Publication Date
DE3764652D1 true DE3764652D1 (de) 1990-10-11

Family

ID=9330881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787400010T Expired - Fee Related DE3764652D1 (de) 1986-01-07 1987-01-06 Ringantenne fuer ein bilderzeugungsgeraet mittels magnetischer kernresonanz.

Country Status (5)

Country Link
US (1) US4739269A (de)
EP (1) EP0232189B1 (de)
JP (1) JPS62249642A (de)
DE (1) DE3764652D1 (de)
FR (1) FR2592715B1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918388A (en) * 1985-08-14 1990-04-17 Picker International, Inc. Quadrature surface coils for magnetic resonance imaging
US4841248A (en) * 1985-08-14 1989-06-20 Picker International, Inc. Transverse field limited localized coil for magnetic resonance imaging
NL8700281A (nl) * 1987-02-06 1988-09-01 Philips Nv Magnetisch resonantie apparaat met verbeterde detectie.
EP0281787A1 (de) * 1987-02-25 1988-09-14 Siemens Aktiengesellschaft Oberflächenresonator für Kernspin-Resonanzgeräte
FR2612641B1 (fr) * 1987-03-19 1989-06-09 Oreal Appareil pour l'examen d'un corps par resonance magnetique nucleaire par des methodes lentes et rapides, notamment pour l'examen de la couche superficielle de ce corps, dispositif pour creer un gradient de champ magnetique pour un tel appareil, et application a l'imagerie de la peau du corps humain
DE3727056A1 (de) * 1987-08-13 1989-03-09 Siemens Ag Oberflaechenspule fuer die untersuchung eines objektes mit hilfe der kernmagnetischen resonanz
FR2629335B1 (fr) * 1988-03-30 1990-12-21 Magnetech Antenne pour dispositif d'imagerie par resonance magnetique nucleaire
NL8801077A (nl) * 1988-04-26 1989-11-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelde rf-spoelen.
US4878022A (en) * 1988-10-14 1989-10-31 The Regents Of The University Of California Widened and shaped MRI surface coil having increased signal-to-noise ratio
DE3937150A1 (de) * 1989-11-08 1991-05-23 Bruker Analytische Messtechnik Kernresonanzspektrometer
US5201312A (en) * 1989-12-18 1993-04-13 General Electric Company Antennae for high-resolution magnetic resonance imaging of the eye
JPH0616762B2 (ja) * 1989-12-18 1994-03-09 ゼネラル・エレクトリツク・カンパニイ 眼のｎｍｒ映像形成用アンテナ
US4972836A (en) * 1989-12-18 1990-11-27 General Electric Company Motion detector for high-resolution magnetic resonance imaging
DE4035994A1 (de) * 1990-11-12 1992-05-14 Siemens Ag Schaltung und verfahren zur anpassung von antennen in einem kernspinresonanz-bildgeraet
US5329234A (en) * 1993-01-28 1994-07-12 Burton Edward M Surface coil holder for magnetic resonance imaging
US5412322A (en) * 1993-06-24 1995-05-02 Wollin Ventures, Inc. Apparatus and method for spatially ordered phase encoding and for determining complex permittivity in magnetic resonance by using superimposed time-varying electric fields
US5361764A (en) * 1993-07-09 1994-11-08 Grumman Aerospace Corporation Magnetic resonance imaging foot coil assembly
US5492122A (en) * 1994-04-15 1996-02-20 Northrop Grumman Corporation Magnetic resonance guided hyperthermia
US5751146A (en) * 1994-12-01 1998-05-12 Magnetic Vision Technologies, Inc. Surface coil for high resolution imaging
GB9513545D0 (en) * 1995-07-04 1995-09-06 Marconi Gec Ltd Magnetic resonance methods and apparatus
JP3562902B2 (ja) * 1996-04-26 2004-09-08 株式会社日立メディコ 磁気共鳴イメージング装置用ｒｆプローブ
US6652101B1 (en) 2001-10-09 2003-11-25 Stephen R. Glaser Method and apparatus for performing vision screening
US7154449B2 (en) * 2002-04-25 2006-12-26 Cet Technologies Pte Ltd. Antenna
SG114541A1 (en) * 2002-04-25 2005-09-28 Cet Technologies Pte Ltd An antenna
WO2004059662A1 (en) * 2002-12-23 2004-07-15 Tahan Christian A Method and apparatus for the production of energy
DE102005047883B4 (de) * 2005-10-06 2008-11-20 Bruker Biospin Ag Kernspinresonanz-Messkopf umfassend mindestens zwei Spulen/Resonatoranordnungen mit reduzierter Kopplung
FR2923324B1 (fr) * 2007-11-05 2010-09-10 Commissariat Energie Atomique Antenne inductive large bande pour systemes de communication sans contact

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550607A (en) * 1948-02-13 1951-04-24 Frank M Shoemaker Electronic metal detector
US2999977A (en) * 1958-05-20 1961-09-12 Industrial Nucleonics Corp Nuclear magnetic resonance measuring system
US2999978A (en) * 1959-12-28 1961-09-12 Industrial Nucleonics Corp Nuclear magnetic resonance measuring apparatus
DE3233050C2 (de) * 1981-09-09 1997-04-24 British Tech Group Verfahren der hochauflösenden Impuls-Kernresonanzspektroskopie
US4452250A (en) * 1982-04-29 1984-06-05 Britton Chance NMR System for the non-invasive study of phosphorus metabilism
GB2133558B (en) * 1982-06-28 1986-03-26 Oxford Res Syst Radiofrequency transducer and method of using same
DE3340384A1 (de) * 1983-11-08 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-einrichtung einer kernspinresonanz-apparatur mit einer oberflaechenspule
US4636730A (en) * 1984-08-16 1987-01-13 General Electric Company NMR spectroscopy body probes with at least one surface coil

Also Published As

Publication number Publication date
FR2592715B1 (fr) 1990-09-21
EP0232189B1 (de) 1990-09-05
JPS62249642A (ja) 1987-10-30
EP0232189A1 (de) 1987-08-12
FR2592715A1 (fr) 1987-07-10
US4739269A (en) 1988-04-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee