FR2594232B1 - Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire - Google Patents
Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaireInfo
- 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
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)
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)
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)
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 |
-
1986
- 1986-02-07 FR FR8601722A patent/FR2594232B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2594232A1 (fr) | 1987-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |