DE3375670D1 - Nuclear magnetic resonance diagnostic apparatus - Google Patents

Nuclear magnetic resonance diagnostic apparatus

Info

Publication number
DE3375670D1
DE3375670D1 DE8383112855T DE3375670T DE3375670D1 DE 3375670 D1 DE3375670 D1 DE 3375670D1 DE 8383112855 T DE8383112855 T DE 8383112855T DE 3375670 T DE3375670 T DE 3375670T DE 3375670 D1 DE3375670 D1 DE 3375670D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
diagnostic apparatus
resonance diagnostic
nuclear
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
Application number
DE8383112855T
Other languages
English (en)
Inventor
Hidetomo Takase
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16853497&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3375670(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3375670D1 publication Critical patent/DE3375670D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Medical Informatics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8383112855T 1982-12-27 1983-12-20 Nuclear magnetic resonance diagnostic apparatus Expired DE3375670D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57226972A JPS59119248A (ja) 1982-12-27 1982-12-27 核磁気共鳴装置

Publications (1)

Publication Number Publication Date
DE3375670D1 true DE3375670D1 (en) 1988-03-17

Family

ID=16853497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383112855T Expired DE3375670D1 (en) 1982-12-27 1983-12-20 Nuclear magnetic resonance diagnostic apparatus

Country Status (4)

Country Link
US (1) US4849886A (de)
EP (1) EP0114349B1 (de)
JP (1) JPS59119248A (de)
DE (1) DE3375670D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616183A (en) * 1984-10-22 1986-10-07 General Electric Company Method for reducing baseline error components in NMR signals
US5185573A (en) * 1991-04-16 1993-02-09 Hewlett-Packard Company Method for focusing of magnetic resonance images
JP4021402B2 (ja) * 2003-11-11 2007-12-12 株式会社日立製作所 制御可能な検波部を有する核磁気共鳴装置
US7805981B2 (en) * 2007-02-13 2010-10-05 The Trustees Of The University Of Pennsylvania Gaseous nuclear symmetric state and quantification thereof
US11965761B2 (en) * 2020-02-20 2024-04-23 Hitachi Astemo, Ltd. Thermal flow meter

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297860A (en) * 1963-06-19 1967-01-10 Technical Measurement Corp Spectroscopic computer
DE1275629B (de) * 1964-09-30 1968-08-22 Varian Internat A G Verfahren zur Befreiung wiederholbarer Spannungsverlaeufe von statistischen Stoerungen und Anordnung zur Durchfuehrung des Verfahrens
GB1496886A (en) * 1974-04-08 1978-01-05 Nat Res Dev Nuclear magnetic resonance apparatus
US4204225A (en) * 1978-05-16 1980-05-20 Wisconsin Alumni Research Foundation Real-time digital X-ray subtraction imaging
US4204226A (en) * 1978-05-16 1980-05-20 Wisconsin Alumni Research Foundation Real-time digital X-ray time interval difference imaging
GB1584949A (en) * 1978-05-25 1981-02-18 Emi Ltd Imaging systems
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
US4250451A (en) * 1978-12-28 1981-02-10 Cordless Power Corporation Magnetic induction imaging system
US4307344A (en) * 1979-01-25 1981-12-22 Emi Limited Imaging systems
WO1981002788A1 (en) * 1980-03-14 1981-10-01 Nat Res Dev Methods of producing image information from objects
US4493039A (en) * 1980-05-06 1985-01-08 President And Directors Of Georgetown University Apparatus and method for image reproduction of materials using their magnetic and electric properties
US4430749A (en) * 1981-06-30 1984-02-07 Siemens Gammasonics, Inc. Medical imaging apparatus and method for furnishing difference images
US4599565A (en) * 1981-12-15 1986-07-08 The Regents Of The University Of Calif. Method and apparatus for rapid NMR imaging using multi-dimensional reconstruction techniques
US4438400A (en) * 1982-01-18 1984-03-20 Varian Associates, Inc. Method for suppression of acoustic ringing in NMR measurements
US4468621A (en) * 1982-01-20 1984-08-28 National Research Development Corporation Investigation of samples by N.M.R. techniques
US4480228A (en) * 1982-10-15 1984-10-30 General Electric Company Selective volume method for performing localized NMR spectroscopy

Also Published As

Publication number Publication date
JPH0370792B2 (de) 1991-11-08
EP0114349B1 (de) 1988-02-10
EP0114349A2 (de) 1984-08-01
EP0114349A3 (en) 1985-05-29
JPS59119248A (ja) 1984-07-10
US4849886A (en) 1989-07-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation