NL8500844A - Mr apparaat met twee orthogonale rf spoelenpaar. - Google Patents

Mr apparaat met twee orthogonale rf spoelenpaar. Download PDF

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Publication number
NL8500844A
NL8500844A NL8500844A NL8500844A NL8500844A NL 8500844 A NL8500844 A NL 8500844A NL 8500844 A NL8500844 A NL 8500844A NL 8500844 A NL8500844 A NL 8500844A NL 8500844 A NL8500844 A NL 8500844A
Authority
NL
Netherlands
Prior art keywords
conductor
impedance
coil
magnetic resonance
resonance device
Prior art date
Application number
NL8500844A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8500844A priority Critical patent/NL8500844A/nl
Priority to US06/841,132 priority patent/US4712069A/en
Priority to EP86200433A priority patent/EP0196134B1/en
Priority to DE8686200433T priority patent/DE3664003D1/de
Priority to JP61061966A priority patent/JPS61226028A/ja
Publication of NL8500844A publication Critical patent/NL8500844A/nl

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
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8500844A 1985-03-22 1985-03-22 Mr apparaat met twee orthogonale rf spoelenpaar. NL8500844A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8500844A NL8500844A (nl) 1985-03-22 1985-03-22 Mr apparaat met twee orthogonale rf spoelenpaar.
US06/841,132 US4712069A (en) 1985-03-22 1986-03-18 Magnetic resonance imaging apparatus including two orthogonal r.f. coils
EP86200433A EP0196134B1 (en) 1985-03-22 1986-03-19 Magnetic resonance imaging apparatus including two orthogonal r.f. coils
DE8686200433T DE3664003D1 (en) 1985-03-22 1986-03-19 Magnetic resonance imaging apparatus including two orthogonal r.f. coils
JP61061966A JPS61226028A (ja) 1985-03-22 1986-03-19 ２つの直交ｒｆコイルを有する磁気共鳴イメージング装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8500844A NL8500844A (nl) 1985-03-22 1985-03-22 Mr apparaat met twee orthogonale rf spoelenpaar.
NL8500844 1985-03-22

Publications (1)

Publication Number Publication Date
NL8500844A true NL8500844A (nl) 1986-10-16

Family

ID=19845726

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8500844A NL8500844A (nl) 1985-03-22 1985-03-22 Mr apparaat met twee orthogonale rf spoelenpaar.

Country Status (5)

Country Link
US (1) US4712069A (ja)
EP (1) EP0196134B1 (ja)
JP (1) JPS61226028A (ja)
DE (1) DE3664003D1 (ja)
NL (1) NL8500844A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684895A (en) * 1985-08-05 1987-08-04 Picker International, Inc. Interface system for NMR spectrometer and quadrature probe
US4918388A (en) * 1985-08-14 1990-04-17 Picker International, Inc. Quadrature surface coils for magnetic resonance imaging
NL8603005A (nl) * 1986-11-27 1988-06-16 Philips Nv Magnetisch resonantie apparaat met flexibele quadratuur spoelenstelsel.
NL8603253A (nl) * 1986-12-22 1988-07-18 Philips Nv Kernspinresonantie-apparaat met draaiveldopwekking en detektie.
US4731585A (en) * 1987-02-24 1988-03-15 Kabushiki Kaisha Toshiba Antenna coupling circuit for magnetic resonance imaging
IL82658A (en) * 1987-05-26 1990-12-23 Elscint Ltd Balun circuit for radio frequency coils in mr systems
IL82716A (en) * 1987-05-29 1992-08-18 Elscint Ltd Quadrature combiner
US4763076A (en) * 1987-09-01 1988-08-09 The Regents Of The University Of California MRI transmit coil disable switching via RF in/out cable
NL8801077A (nl) * 1988-04-26 1989-11-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelde rf-spoelen.
EP0361190A1 (de) * 1988-09-23 1990-04-04 Siemens Aktiengesellschaft Oberflächenspulenanordnung für Untersuchungen mit Hilfe der kernnmagnetischen Resonanz
DE3918743A1 (de) * 1989-06-08 1990-12-13 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung
DE4030878A1 (de) * 1990-09-29 1992-04-02 Siemens Ag Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet
US5296814A (en) * 1992-04-15 1994-03-22 General Electric Company Tunable signal coupler for a magnetic resonance imaging system
US5483158A (en) * 1993-10-21 1996-01-09 The Regents Of The University Of California Method and apparatus for tuning MRI RF coils
US5610520A (en) * 1994-02-24 1997-03-11 Medrad Inc. Automatic orthogonality adjustment device for a quadrature surface coil for magnetic resonance imaging or spectroscopy
JP3812368B2 (ja) * 2001-06-06 2006-08-23 豊田合成株式会社 Ｉｉｉ族窒化物系化合物半導体素子及びその製造方法
AU2003206063A1 (en) 2002-03-21 2003-10-08 Koninklijke Philips Electronics N.V. Combiner/splitter device for an mri system
US7714581B2 (en) * 2006-04-19 2010-05-11 Wisconsin Alumni Research Foundation RF coil assembly for magnetic resonance imaging and spectroscopy systems
JP2009279422A (ja) * 2009-07-21 2009-12-03 Ge Healthcare Japan Corp Ｒｆコイルおよび磁気共鳴撮影装置
US10092351B2 (en) * 2015-02-11 2018-10-09 Elwha Llc Minimally-invasive tissue ablation using high contrast electric fields

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095168A (en) * 1977-02-22 1978-06-13 Varian Associates, Inc. Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe
EP0047065B1 (en) * 1980-08-29 1986-10-01 Technicare Corporation Distributed phase rf coil
US4446431A (en) * 1981-08-24 1984-05-01 Monsanto Company Double-tuned single coil probe for nuclear magnetic resonance spectrometer
EP0112361B1 (en) * 1982-06-28 1987-02-25 Oxford Research Systems Limited Radiofrequency transducer and method of using same
JPS6129775A (ja) * 1984-07-20 1986-02-10 Mitsubishi Electric Corp 高周波磁場発生・検出器

Also Published As

Publication number Publication date
EP0196134B1 (en) 1989-06-14
JPS61226028A (ja) 1986-10-07
DE3664003D1 (en) 1989-07-20
US4712069A (en) 1987-12-08
EP0196134A1 (en) 1986-10-01

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Legal Events

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A1B A search report has been drawn up
BV The patent application has lapsed