DE3671522D1 - Hochfrequenzantennensystem fuer kernspintomographiegeraete. - Google Patents
Hochfrequenzantennensystem fuer kernspintomographiegeraete.Info
- Publication number
- DE3671522D1 DE3671522D1 DE8686102087T DE3671522T DE3671522D1 DE 3671522 D1 DE3671522 D1 DE 3671522D1 DE 8686102087 T DE8686102087 T DE 8686102087T DE 3671522 T DE3671522 T DE 3671522T DE 3671522 D1 DE3671522 D1 DE 3671522D1
- Authority
- DE
- Germany
- Prior art keywords
- spin
- high frequency
- antenna system
- frequency antenna
- mri devices
- 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 - Lifetime
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
-
- 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
- G01R33/42—Screening
- G01R33/422—Screening of the radio frequency field
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8686102087T DE3671522D1 (de) | 1985-03-06 | 1986-02-18 | Hochfrequenzantennensystem fuer kernspintomographiegeraete. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3507946 | 1985-03-06 | ||
| DE8686102087T DE3671522D1 (de) | 1985-03-06 | 1986-02-18 | Hochfrequenzantennensystem fuer kernspintomographiegeraete. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3671522D1 true DE3671522D1 (de) | 1990-06-28 |
Family
ID=6264381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8686102087T Expired - Lifetime DE3671522D1 (de) | 1985-03-06 | 1986-02-18 | Hochfrequenzantennensystem fuer kernspintomographiegeraete. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4721915A (OSRAM) |
| EP (1) | EP0193783B1 (OSRAM) |
| JP (1) | JPS61148310U (OSRAM) |
| DE (1) | DE3671522D1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5270656A (en) * | 1992-04-24 | 1993-12-14 | The Trustees Of The University Of Pennsylvania | Biplanar RF coils for magnetic resonance imaging or spectroscopy |
| WO2013135251A1 (en) | 2012-03-14 | 2013-09-19 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e. V. | A method for multi-mode, multi-load, and multi-domain optimization of a multi-channel near-field rf transmitter |
| US9885766B2 (en) | 2012-04-17 | 2018-02-06 | Transarray LLC | Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof |
| DE102015206788B3 (de) | 2015-04-15 | 2016-08-11 | Bruker Biospin Ag | NMR Sende/Empfangsspulenanordnung |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839939B2 (ja) * | 1979-12-29 | 1983-09-02 | 株式会社タケダレ−ス | レ−ス地縁部におけるスカラツプおよびピコツトの形成方法 |
| DE3175414D1 (en) * | 1980-08-29 | 1986-11-06 | Technicare Corp | Distributed phase rf coil |
| DE3133432A1 (de) * | 1981-08-24 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur |
| FR2530816A1 (fr) * | 1982-07-21 | 1984-01-27 | Inst Physique Biolog | Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme |
| NL8203934A (nl) * | 1982-10-12 | 1984-05-01 | Philips Nv | Kernspintomograaf. |
| US4517516A (en) * | 1983-04-08 | 1985-05-14 | Varian Associates, Inc. | NMR Probe coil form structure |
| US4607225A (en) * | 1983-07-19 | 1986-08-19 | Regents Of The University Of California | Apparatus and method for reducing spurious currents in NMR imaging apparatus induced by pulsed gradient fields |
| US4563648A (en) * | 1983-09-22 | 1986-01-07 | Varian Associates, Inc. | Geometric compensation of magnetic susceptibility perturbations in an RF spectrometer |
| DE3347597A1 (de) * | 1983-12-30 | 1985-07-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern |
| JPS60194339A (ja) * | 1984-03-15 | 1985-10-02 | Toshiba Corp | 核磁気共鳴装置 |
| DE3410204A1 (de) * | 1984-03-20 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenz-antenneneinrichtung in einer apparatur zur kernspintomographie und verfahren zum betrieb dieser einrichtung |
| US4594566A (en) * | 1984-08-30 | 1986-06-10 | Advanced Nmr Systems, Inc. | High frequency rf coil for NMR device |
| US4638253A (en) * | 1984-10-29 | 1987-01-20 | General Electric Company | Mutual inductance NMR RF coil matching device |
| US4641098A (en) * | 1985-03-15 | 1987-02-03 | Doty Scientific, Inc. | Parallel single turn saddle resonator for nuclear magnetic resonance signal reception |
-
1986
- 1986-01-31 US US06/824,464 patent/US4721915A/en not_active Expired - Fee Related
- 1986-02-18 DE DE8686102087T patent/DE3671522D1/de not_active Expired - Lifetime
- 1986-02-18 EP EP86102087A patent/EP0193783B1/de not_active Expired - Lifetime
- 1986-03-03 JP JP1986030508U patent/JPS61148310U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0193783B1 (de) | 1990-05-23 |
| US4721915A (en) | 1988-01-26 |
| JPS61148310U (OSRAM) | 1986-09-12 |
| EP0193783A1 (de) | 1986-09-10 |
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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 |