JPS6057602A - 磁気コイル - Google Patents

磁気コイル

Info

Publication number
JPS6057602A
JPS6057602A JP59162756A JP16275684A JPS6057602A JP S6057602 A JPS6057602 A JP S6057602A JP 59162756 A JP59162756 A JP 59162756A JP 16275684 A JP16275684 A JP 16275684A JP S6057602 A JPS6057602 A JP S6057602A
Authority
JP
Japan
Prior art keywords
terminals
radio frequency
coil
pair
magnetic coil
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.)
Granted
Application number
JP59162756A
Other languages
English (en)
Japanese (ja)
Other versions
JPH051605B2 (en, 2012
Inventor
トーマス　ウイリアム　テナント　レツドパス
ロバート　ダス　セルビー
ジエイムズ　マクドナルド　ストラツチヤン　ハツチソン
リンダ　メアリー　イーストウツド
グリン　ジヨンソン
ジヨン　ローランド　マラード
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.)
National Research Development Corp of India
Original Assignee
National Research Development Corp of India
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 National Research Development Corp of India filed Critical National Research Development Corp of India
Publication of JPS6057602A publication Critical patent/JPS6057602A/ja
Publication of JPH051605B2 publication Critical patent/JPH051605B2/ja
Granted 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • 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
    • 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
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP59162756A 1983-08-08 1984-08-01 磁気コイル Granted JPS6057602A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838321295A GB8321295D0 (en) 1983-08-08 1983-08-08 Magnetic coils
GB8321295 1983-08-08

Publications (2)

Publication Number Publication Date
JPS6057602A true JPS6057602A (ja) 1985-04-03
JPH051605B2 JPH051605B2 (en, 2012) 1993-01-08

Family

ID=10546974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59162756A Granted JPS6057602A (ja) 1983-08-08 1984-08-01 磁気コイル

Country Status (5)

Country Link
US (1) US4652825A (en, 2012)
EP (1) EP0133364B1 (en, 2012)
JP (1) JPS6057602A (en, 2012)
DE (1) DE3477319D1 (en, 2012)
GB (2) GB8321295D0 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222640A (ja) * 1985-07-19 1987-01-30 三洋電機株式会社 磁気共鳴撮像装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8603005A (nl) * 1986-11-27 1988-06-16 Philips Nv Magnetisch resonantie apparaat met flexibele quadratuur spoelenstelsel.
DE4232827B4 (de) * 1992-09-30 2004-08-05 Siemens Ag Zirkular polarisierte Lokal-Antennenanordnung für ein Kernspintomographiegerät
DE4318134C2 (de) * 1993-06-01 1999-02-11 Siemens Ag Zirkular polarisierende Lokalantenne
US5663645A (en) * 1994-08-02 1997-09-02 Toshiba America Mri Inc. Spatially orthogonal rectangular coil pair suitable for vertical magnetic field MRI system
GB9511101D0 (en) * 1995-06-01 1995-07-26 British Tech Group Magnetic coil
US5944023A (en) * 1995-12-07 1999-08-31 Sims Deltec, Inc. Systems and methods for determining the location of an implanted device including a magnet
US6690165B1 (en) 1999-04-28 2004-02-10 Hironori Takahashi Magnetic-field sensing coil embedded in ceramic for measuring ambient magnetic field
DE10300168A1 (de) * 2003-01-07 2004-07-22 Thomas Kopp Integrierte multiple mehrdimensionale geophysikalische Sende- und Empfangsantennenspule
DE102007014604A1 (de) * 2007-03-26 2008-10-02 Thomas Kopp Integriertes Sender-Empfänger-Antennensystem zur Ortung und Qualifizierung elektromagnetisch relevanter Sondervolumen im Untergrund mit TEM oder NMR

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR938453A (fr) * 1943-08-07 1948-09-16 Thomson Houston Comp Francaise Nouveau type d'antenne directive
US2820944A (en) * 1952-09-23 1958-01-21 Philco Corp Method of and means for measuring frequency
US3135851A (en) * 1961-12-27 1964-06-02 Thomas M Hunter Resistance welding apparatus including a transformer
US3491318A (en) * 1968-08-16 1970-01-20 Atomic Energy Commission Baseball seam magnet with variable magnetic field
GB1596160A (en) * 1976-12-15 1981-08-19 Nat Res Dev Nuclear magnetic resonance apparatus and methods
DE3131946A1 (de) * 1981-08-12 1983-03-17 Siemens AG, 1000 Berlin und 8000 München "hochfrequenz-magnetsystem in einer einrichtung der kernspinresonanz-technik"
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
GB8321308D0 (en) * 1983-08-08 1983-09-07 M & D Technology Ltd Radio frequency coil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222640A (ja) * 1985-07-19 1987-01-30 三洋電機株式会社 磁気共鳴撮像装置

Also Published As

Publication number Publication date
GB8321295D0 (en) 1983-09-07
EP0133364B1 (en) 1989-03-15
DE3477319D1 (en) 1989-04-20
GB2144918A (en) 1985-03-13
JPH051605B2 (en, 2012) 1993-01-08
US4652825A (en) 1987-03-24
EP0133364A2 (en) 1985-02-20
GB8419507D0 (en) 1984-09-05
EP0133364A3 (en) 1986-01-22
GB2144918B (en) 1987-03-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term