IL92218A0 - Magnetic resonance method and device - Google Patents

Magnetic resonance method and device

Info

Publication number
IL92218A0
IL92218A0 IL92218A IL9221889A IL92218A0 IL 92218 A0 IL92218 A0 IL 92218A0 IL 92218 A IL92218 A IL 92218A IL 9221889 A IL9221889 A IL 9221889A IL 92218 A0 IL92218 A0 IL 92218A0
Authority
IL
Israel
Prior art keywords
magnetic resonance
resonance method
magnetic
resonance
Prior art date
Application number
IL92218A
Other languages
English (en)
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
Publication of IL92218A0 publication Critical patent/IL92218A0/xx

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • 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)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL92218A 1988-11-08 1989-11-06 Magnetic resonance method and device IL92218A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802732A NL8802732A (nl) 1988-11-08 1988-11-08 Magnetische resonantiewerkwijze en -inrichting.

Publications (1)

Publication Number Publication Date
IL92218A0 true IL92218A0 (en) 1990-07-26

Family

ID=19853182

Family Applications (1)

Application Number Title Priority Date Filing Date
IL92218A IL92218A0 (en) 1988-11-08 1989-11-06 Magnetic resonance method and device

Country Status (6)

Country Link
US (1) US5172059A (fr)
EP (1) EP0368401B1 (fr)
JP (1) JP2898317B2 (fr)
DE (1) DE68918048T2 (fr)
IL (1) IL92218A0 (fr)
NL (1) NL8802732A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126537A1 (de) * 1991-08-10 1993-02-11 Philips Patentverwaltung Kernresonanz-untersuchungsgeraet mit einer spulenanordnung
US5629703A (en) * 1995-08-09 1997-05-13 Tektronix, Inc. Method for reducing harmonic distortion in an analog-to-digital converter system
US6069478A (en) * 1997-11-24 2000-05-30 General Electric Corporation Magnetic resonance spectroscopic imaging having reduced parasitic side band signals
EP1157281A1 (fr) * 1999-12-20 2001-11-28 Koninklijke Philips Electronics N.V. Appareil d'irm avec commande flexible de gradient
DE10148462C1 (de) * 2001-10-01 2003-06-18 Siemens Ag Übertragungsverfahren für ein analoges Magnetresonanzsignal und hiermit korrespondierende Einrichtungen
DE10148442C2 (de) * 2001-10-01 2003-07-24 Siemens Ag Übertragungsverfahren für ein Magnetresonanzsignal und hiermit korrespondierende Spulenanordnung, Erfassungsschaltung und Magnetresonanzsignalübertragungseinrichtung
US7460043B2 (en) * 2005-06-03 2008-12-02 General Electric Company Analog-to-digital converter compensation system and method
US7161511B2 (en) * 2005-06-03 2007-01-09 General Electric Company Linearization system and method
EP1783508B1 (fr) * 2005-11-04 2008-10-08 Schleifring und Apparatebau GmbH Object à tester pour un appareil à résonance magnétique nucléaire
US7132826B1 (en) 2005-11-30 2006-11-07 Wisconsin Alumni Research Foundation Characterization of receiver demodulation for correcting off-axis MR imaging degradation
DE102008036496B4 (de) * 2008-08-05 2012-03-15 Siemens Aktiengesellschaft Verfahren zur Kalibrierung eines Magnetresonanzempfangskanals, Kalibrierungsdatenermittlungseinrichtung und Magnetresonanzanlage
JP5701476B2 (ja) * 2008-08-26 2015-04-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 脂肪定量装置、磁気共鳴イメージングシステム、および脂肪定量方法
WO2014050818A1 (fr) * 2012-09-25 2014-04-03 株式会社東芝 Dispositif d'imagerie par résonance magnétique et son dispositif de mesure de sortie haute fréquence
EP3819653B1 (fr) * 2019-11-07 2023-09-06 Siemens Healthcare GmbH Procédé d'essai d'une chaîne de réception d'un tomographe à résonance magnétique

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH524287A (de) * 1970-09-25 1972-06-15 Patelhold Patentverwertung Verfahren zur automatischen Einstellung eines Transversalfilters zur Impulsentzerrung
FR2543544B1 (fr) * 1983-03-30 1986-01-17 Ugine Kuhlmann Procede de decomposition d'un complexe d'acide orthobenzoyl-benzoique, de fluorure d'hydrogene et de trifluorure de bore
US4800574A (en) * 1983-05-10 1989-01-24 Ricoh Company, Ltd. Digital modulator/demodulator including non-linear analog-to-digital converter and circuitry compensating for the non-linearity of the converter
JPS61745A (ja) * 1984-06-13 1986-01-06 Toshiba Corp 核磁気共鳴装置
JPS622143A (ja) * 1985-06-28 1987-01-08 Yokogawa Electric Corp Ｎｍｒ撮像装置の自動利得調整装置
US4703267A (en) * 1985-07-17 1987-10-27 Advanced Nmr Systems, Inc. High dynamic range in NMR data acquisition
JPS62183677A (ja) * 1986-02-07 1987-08-12 Fuji Photo Film Co Ltd 非線形ａ／ｄ変換方法
US4731865A (en) * 1986-03-27 1988-03-15 General Electric Company Digital image correction
JPS62227342A (ja) * 1986-03-31 1987-10-06 株式会社東芝 クワドラチヤ−検波装置
NL8601002A (nl) * 1986-04-21 1987-11-16 Philips Nv Werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in deel van een lichaam.
FR2609222B1 (fr) * 1986-09-25 1989-11-24 France Etat Procede et dispositif de linearisation par memoire morte de la fonction de transfert d'un quadripole, et application y relative

Also Published As

Publication number Publication date
EP0368401A1 (fr) 1990-05-16
JPH02181679A (ja) 1990-07-16
DE68918048T2 (de) 1995-04-06
EP0368401B1 (fr) 1994-09-07
JP2898317B2 (ja) 1999-05-31
US5172059A (en) 1992-12-15
NL8802732A (nl) 1990-06-01
DE68918048D1 (de) 1994-10-13

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