DE3762925D1 - Empfangsantenne fuer ein bilderzeugungsgeraet mittels kernmagnetischer resonanz. - Google Patents
Empfangsantenne fuer ein bilderzeugungsgeraet mittels kernmagnetischer resonanz.Info
- Publication number
- DE3762925D1 DE3762925D1 DE8787400245T DE3762925T DE3762925D1 DE 3762925 D1 DE3762925 D1 DE 3762925D1 DE 8787400245 T DE8787400245 T DE 8787400245T DE 3762925 T DE3762925 T DE 3762925T DE 3762925 D1 DE3762925 D1 DE 3762925D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- generating device
- receiving antenna
- image generating
- core magnetic
- 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
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)
- Details Of Aerials (AREA)
Applications Claiming Priority (1)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3762925D1 true DE3762925D1 (de) | 1990-06-28 |
Family
ID=9331930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787400245T Expired - Fee Related DE3762925D1 (de) | 1986-02-07 | 1987-02-03 | Empfangsantenne fuer ein bilderzeugungsgeraet mittels kernmagnetischer resonanz. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4792760A (de) |
EP (1) | EP0239426B1 (de) |
DE (1) | DE3762925D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4839594A (en) * | 1987-08-17 | 1989-06-13 | Picker International, Inc. | Faraday shield localized coil for magnetic resonance imaging |
FR2692424B1 (fr) * | 1992-06-10 | 1994-08-26 | Gen Electric Cgr | Dispositif de filtrage d'un signal vidéo. |
FR2695282B1 (fr) * | 1992-09-01 | 1994-10-14 | Gen Electric Cgr | Procédé de réglage de contraste. |
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 |
EP1230559A2 (de) | 1999-05-21 | 2002-08-14 | The General Hospital Corporation | Tem resonator für die bildgebung mittels magnetischer resonanz |
US7598739B2 (en) * | 1999-05-21 | 2009-10-06 | Regents Of The University Of Minnesota | Radio frequency gradient, shim and parallel imaging coil |
US6788056B2 (en) | 2000-07-31 | 2004-09-07 | Regents Of The University Of Minnesota | Radio frequency magnetic field unit with aperature |
US7023209B2 (en) * | 2000-10-09 | 2006-04-04 | Regents Of The University Of Minnesota | Method and apparatus for magnetic resonance imaging and spectroscopy using microstrip transmission line coils |
AU2005242783A1 (en) * | 2004-05-07 | 2005-11-24 | Regents Of The University Of Minnesota | Multi-current elements for magnetic resonance radio frequency coils |
EP1761791A2 (de) * | 2004-06-25 | 2007-03-14 | Koninklijke Philips Electronics N.V. | Integrierte stromversorgung für oberflächenspulen |
DE102018109540A1 (de) * | 2018-04-20 | 2019-10-24 | Otto-Von-Guericke-Universität Magdeburg | Spule sowie Einrichtung zur drahtlosen Signalübertragung sowie ein Verfahren zur Herstellung einer derartigen Spule |
Family Cites Families (9)
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 |
US3210766A (en) * | 1962-02-15 | 1965-10-05 | Ralph O Parker | Slot type antenna with tuning circuit |
US3550137A (en) * | 1968-09-20 | 1970-12-22 | Gen Dynamics Corp | Constant impedance loop antenna |
JPS5226879B2 (de) * | 1972-09-19 | 1977-07-16 | ||
DE3369885D1 (en) * | 1982-06-28 | 1987-04-02 | Oxford Res Syst | Radiofrequency transducer and method of using same |
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 |
US4620155A (en) * | 1984-08-16 | 1986-10-28 | General Electric Company | Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils |
-
1987
- 1987-02-03 DE DE8787400245T patent/DE3762925D1/de not_active Expired - Fee Related
- 1987-02-03 EP EP87400245A patent/EP0239426B1/de not_active Expired - Lifetime
- 1987-02-04 US US07/010,638 patent/US4792760A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4792760A (en) | 1988-12-20 |
EP0239426A1 (de) | 1987-09-30 |
EP0239426B1 (de) | 1990-05-23 |
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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 |