DE69123348T2 - Serie/parallel-schaltungsanordnung mit doppelter abstimmung für spulen der magnetischen kernresonanz - Google Patents
Serie/parallel-schaltungsanordnung mit doppelter abstimmung für spulen der magnetischen kernresonanzInfo
- Publication number
- DE69123348T2 DE69123348T2 DE69123348T DE69123348T DE69123348T2 DE 69123348 T2 DE69123348 T2 DE 69123348T2 DE 69123348 T DE69123348 T DE 69123348T DE 69123348 T DE69123348 T DE 69123348T DE 69123348 T2 DE69123348 T2 DE 69123348T2
- Authority
- DE
- Germany
- Prior art keywords
- coils
- series
- magnetic core
- circuit arrangement
- parallel circuit
- 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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3628—Tuning/matching of the transmit/receive coil
- G01R33/3635—Multi-frequency operation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/477,687 US5038105A (en) | 1990-02-09 | 1990-02-09 | Series/parallel double-tuned NMR coils |
PCT/US1991/000825 WO1991012537A1 (en) | 1990-02-09 | 1991-02-06 | Series/parallel double-tuned nmr coils |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69123348D1 DE69123348D1 (de) | 1997-01-09 |
DE69123348T2 true DE69123348T2 (de) | 1997-05-28 |
Family
ID=23896930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69123348T Expired - Lifetime DE69123348T2 (de) | 1990-02-09 | 1991-02-06 | Serie/parallel-schaltungsanordnung mit doppelter abstimmung für spulen der magnetischen kernresonanz |
Country Status (5)
Country | Link |
---|---|
US (1) | US5038105A (de) |
EP (1) | EP0518896B1 (de) |
JP (1) | JP2934019B2 (de) |
DE (1) | DE69123348T2 (de) |
WO (1) | WO1991012537A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6026311A (en) * | 1993-05-28 | 2000-02-15 | Superconductor Technologies, Inc. | High temperature superconducting structures and methods for high Q, reduced intermodulation resonators and filters |
US7231238B2 (en) | 1989-01-13 | 2007-06-12 | Superconductor Technologies, Inc. | High temperature spiral snake superconducting resonator having wider runs with higher current density |
DE4002160A1 (de) * | 1990-01-25 | 1991-08-08 | Bruker Analytische Messtechnik | Probenkopf fuer kernresonanzmessungen und verfahren zur messung von kernresonanzen |
US5166621A (en) * | 1990-10-26 | 1992-11-24 | Spectroscopy Imaging Systems Corporation | Multi-resonant nmr coils |
US5162739A (en) * | 1991-04-05 | 1992-11-10 | F. David Doty | Balanced multi-tuned high-power broadband coil for nmr |
US5675254A (en) * | 1993-06-02 | 1997-10-07 | The Board Of Trustees Of The University Of Illinois | Double-resonance MRI coil |
DE4333182A1 (de) * | 1993-09-29 | 1995-03-30 | Siemens Ag | Doppeltresonante Antennenanordnung für ein Magnetresonanzgerät |
US5424645A (en) * | 1993-11-18 | 1995-06-13 | Doty Scientific, Inc. | Doubly broadband triple resonance or quad resonance NMR probe circuit |
US5539315A (en) * | 1995-03-24 | 1996-07-23 | Bruker Instruments, Inc. | NMR probe for cross-polarization measurements |
GB2340681B (en) * | 1998-08-14 | 2003-07-30 | Mars Inc | Oscillators |
US20030222732A1 (en) * | 2002-05-29 | 2003-12-04 | Superconductor Technologies, Inc. | Narrow-band filters with zig-zag hairpin resonator |
JP2009508555A (ja) * | 2005-09-20 | 2009-03-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Mriで使用されるラジオ周波数コイル用rfトラップ |
JP5207662B2 (ja) * | 2007-05-31 | 2013-06-12 | 株式会社日立製作所 | 磁場コイル及び磁気共鳴撮像装置 |
DE102010044187B4 (de) * | 2010-11-19 | 2013-10-31 | Siemens Aktiengesellschaft | Lokalspule für eine Magnetresonanzeinrichtung und Magnetresonanzeinrichtung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446431A (en) * | 1981-08-24 | 1984-05-01 | Monsanto Company | Double-tuned single coil probe for nuclear magnetic resonance spectrometer |
US4641098A (en) * | 1985-03-15 | 1987-02-03 | Doty Scientific, Inc. | Parallel single turn saddle resonator for nuclear magnetic resonance signal reception |
US4742304A (en) * | 1986-05-02 | 1988-05-03 | Phospho-Energetics, Inc. | Multiple tuning NMR probe |
EP0262495B1 (de) * | 1986-09-22 | 1991-07-24 | Siemens Aktiengesellschaft | Kernspin-Resonanzgerät zur Ermittlung von Spektren oder Bildern eines Untersuchungsobjektes |
US4792759A (en) * | 1987-07-29 | 1988-12-20 | Elscint Ltd. | Multi-frequency surface probe |
US4885541A (en) * | 1988-08-19 | 1989-12-05 | General Electric Company | Apparatus and method for enhanced multiple coil nuclear magnetic resonance (NMR) imaging |
IL85786A (en) * | 1988-03-18 | 1991-06-10 | Elscint Ltd | Hybrid surface coil |
US4812764A (en) * | 1988-03-31 | 1989-03-14 | Varian Associates, Inc. | Calibrated decoupling of tightly coupled concentric surface coils |
US4833412A (en) | 1988-04-08 | 1989-05-23 | Varian Associates, Inc. | Double tuned circuit for distributed lumped capacitance observe coils |
NL8801077A (nl) * | 1988-04-26 | 1989-11-16 | Philips Nv | Magnetisch resonantie apparaat met ontkoppelde rf-spoelen. |
US4916398A (en) * | 1988-12-21 | 1990-04-10 | Spectroscopy Imaging Systems Corp. | Efficient remote transmission line probe tuning for NMR apparatus |
EP0389868B1 (de) * | 1989-03-29 | 1995-09-13 | Siemens Aktiengesellschaft | Kernspintomograph |
US4916418A (en) * | 1989-03-31 | 1990-04-10 | Varian Associates, Inc. | Double tuned bird cage coil |
-
1990
- 1990-02-09 US US07/477,687 patent/US5038105A/en not_active Expired - Lifetime
-
1991
- 1991-02-06 EP EP91904588A patent/EP0518896B1/de not_active Expired - Lifetime
- 1991-02-06 JP JP3504930A patent/JP2934019B2/ja not_active Expired - Lifetime
- 1991-02-06 DE DE69123348T patent/DE69123348T2/de not_active Expired - Lifetime
- 1991-02-06 WO PCT/US1991/000825 patent/WO1991012537A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0518896A1 (de) | 1992-12-23 |
JPH05503998A (ja) | 1993-06-24 |
EP0518896A4 (en) | 1992-12-30 |
JP2934019B2 (ja) | 1999-08-16 |
WO1991012537A1 (en) | 1991-08-22 |
DE69123348D1 (de) | 1997-01-09 |
US5038105A (en) | 1991-08-06 |
EP0518896B1 (de) | 1996-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |