FR2594232B1 - Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire - Google Patents

Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire

Info

Publication number
FR2594232B1
FR2594232B1 FR8601722A FR8601722A FR2594232B1 FR 2594232 B1 FR2594232 B1 FR 2594232B1 FR 8601722 A FR8601722 A FR 8601722A FR 8601722 A FR8601722 A FR 8601722A FR 2594232 B1 FR2594232 B1 FR 2594232B1
Authority
FR
France
Prior art keywords
magnetic resonance
imaging apparatus
nuclear magnetic
receiving antenna
resonance imaging
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
Application number
FR8601722A
Other languages
English (en)
Other versions
FR2594232A1 (fr
Inventor
Herve Jacob
Jean Bossaert
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
Thomson CGR
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 Thomson CGR filed Critical Thomson CGR
Priority to FR8601722A priority Critical patent/FR2594232B1/fr
Priority to EP87400245A priority patent/EP0239426B1/fr
Priority to DE8787400245T priority patent/DE3762925D1/de
Priority to US07/010,638 priority patent/US4792760A/en
Priority claimed from PCT/FR1987/000197 external-priority patent/WO1988009926A1/fr
Publication of FR2594232A1 publication Critical patent/FR2594232A1/fr
Application granted granted Critical
Publication of FR2594232B1 publication Critical patent/FR2594232B1/fr
Expired 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
    • G01R33/341—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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR8601722A 1986-02-07 1986-02-07 Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire Expired FR2594232B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8601722A FR2594232B1 (fr) 1986-02-07 1986-02-07 Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire
EP87400245A EP0239426B1 (fr) 1986-02-07 1987-02-03 Antenne de réception pour appareil d'imagerie par résonance magnétique nucléaire
DE8787400245T DE3762925D1 (de) 1986-02-07 1987-02-03 Empfangsantenne fuer ein bilderzeugungsgeraet mittels kernmagnetischer resonanz.
US07/010,638 US4792760A (en) 1986-02-07 1987-02-04 Reception antenna for optical image formation device using nuclear magnetic resonance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8601722A FR2594232B1 (fr) 1986-02-07 1986-02-07 Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire
PCT/FR1987/000197 WO1988009926A1 (fr) 1987-06-02 1987-06-02 Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire

Publications (2)

Publication Number Publication Date
FR2594232A1 FR2594232A1 (fr) 1987-08-14
FR2594232B1 true FR2594232B1 (fr) 1988-07-15

Family

ID=26225014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8601722A Expired FR2594232B1 (fr) 1986-02-07 1986-02-07 Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire

Country Status (1)

Country Link
FR (1) FR2594232B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623908A1 (fr) * 1987-11-27 1989-06-02 Thomson Cgr Appareil d'imagerie par resonance magnetique nucleaire et antenne de reception pour un tel appareil
IT1305968B1 (it) * 1998-07-09 2001-05-21 Esaote Spa Unita' di ricezione di segnali a radiofrequenza in particolare nellemacchine per il rilevamento di immagini in risonanza magnetica

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228778A (de) * 1941-09-02 1943-09-15 Telefunken Gmbh Schaltungseinrichtung zum Übergang von einer erdsymmetrischen Hochfrequenzanordnung auf eine erdunsymmetrische Hochfrequenzanordnung oder umgekehrt.
US2517968A (en) * 1945-01-17 1950-08-08 Rca Corp Line balance converter
JPS59501173A (ja) * 1982-06-28 1984-07-05 オックスフォ−ド・リサ−チ・システムズ・リミテッド 核磁気共鳴スペクトロメータ用のプローブアセンブリおよびその使用法
US4694255A (en) * 1983-11-04 1987-09-15 General Electric Company Radio frequency field coil for NMR
JPS6129775A (ja) * 1984-07-20 1986-02-10 Mitsubishi Electric Corp 高周波磁場発生・検出器

Also Published As

Publication number Publication date
FR2594232A1 (fr) 1987-08-14

Similar Documents

Publication Publication Date Title
FR2592715B1 (fr) Antenne orbite pour appareil d'imagerie par resonance magnetique nucleaire
GB2199147B (en) Magnetic field generating system for magnetic resonance imaging system
EP0240319A3 (en) Magnetic resonance imaging system
EP0412824A3 (en) Magnetic resonance imaging system
EP0412695A3 (en) Magnetic resonance imaging
EP0099237A3 (en) Nuclear magnetic resonance imaging apparatus
IL79831A0 (en) Magnetic resonance imaging apparatus including field-homogenizing magnetic elements
GB9018327D0 (en) Antenna device shared by three kinds of waves
DE3572037D1 (en) Nuclear magnetic resonance imaging apparatus
EP0430103A3 (en) Receiver coil for nuclear magnetic resonance imaging apparatus
GB2173598B (en) Nuclear magnetic resonance imaging device
FR2615040B1 (fr) Antenne de reception a decouplage passif notamment pour appareil d'imagerie par resonnance magnetique nucleaire
DE3664963D1 (en) High-frequency antenna for an apparatus mesuring nuclear magnetic resonance
GB9027136D0 (en) Magnetic resonance imaging apparatus
FR2616911B1 (fr) Antenne de surface pour appareil d'imagerie par resonance magnetique nucleaire
MA21206A1 (fr) Antenne pour la reception d'energie electromagnetique.
GB2234594B (en) Nuclear magnetic resonance imaging methods
FR2665265B1 (fr) Dispositif de reception sans fil pour appareils d'imagerie par resonance magnetique nucleaire.
EP0437049A3 (en) Antennae for high-resolution magnetic resonance imaging
EP0430104A3 (en) Magnetic resonance imaging apparatus
GB8804941D0 (en) Magnetic resonance imaging system
GB2161937B (en) Nuclear magnetic resonance imaging apparatus
FR2594232B1 (fr) Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire
GB2202335B (en) Nuclear magnetic resonance imaging apparatus
GB2234595B (en) Nuclear magnetic resonance imaging methods

Legal Events

Date Code Title Description
ST Notification of lapse