DE1673247C3 - Spektrometer für gyromagnetische Resonanz mit wählbaren internen und externen Resonanzkontrollsubstanzen - Google Patents

Spektrometer für gyromagnetische Resonanz mit wählbaren internen und externen Resonanzkontrollsubstanzen

Info

Publication number
DE1673247C3
DE1673247C3 DE1673247A DE1673247A DE1673247C3 DE 1673247 C3 DE1673247 C3 DE 1673247C3 DE 1673247 A DE1673247 A DE 1673247A DE 1673247 A DE1673247 A DE 1673247A DE 1673247 C3 DE1673247 C3 DE 1673247C3
Authority
DE
Germany
Prior art keywords
resonance
control
substance
control substance
internal
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
DE1673247A
Other languages
German (de)
English (en)
Other versions
DE1673247B2 (de
DE1673247A1 (de
Inventor
Weston A. Anderson
Forrest A. Nelson
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of DE1673247A1 publication Critical patent/DE1673247A1/de
Publication of DE1673247B2 publication Critical patent/DE1673247B2/de
Application granted granted Critical
Publication of DE1673247C3 publication Critical patent/DE1673247C3/de
Expired 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF signal
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
    • 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]
    • G01R33/46—NMR spectroscopy
    • 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]
    • G01R33/46—NMR spectroscopy
    • G01R33/4625—Processing of acquired signals, e.g. elimination of phase errors, baseline fitting, chemometric analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
DE1673247A 1966-02-21 1967-02-15 Spektrometer für gyromagnetische Resonanz mit wählbaren internen und externen Resonanzkontrollsubstanzen Expired DE1673247C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US529034A US3388322A (en) 1966-02-21 1966-02-21 Gyromagnetic resonance spectrometer having selectable internal and external resonantcontrol groups

Publications (3)

Publication Number Publication Date
DE1673247A1 DE1673247A1 (de) 1972-02-24
DE1673247B2 DE1673247B2 (de) 1973-08-30
DE1673247C3 true DE1673247C3 (de) 1974-03-28

Family

ID=24108237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1673247A Expired DE1673247C3 (de) 1966-02-21 1967-02-15 Spektrometer für gyromagnetische Resonanz mit wählbaren internen und externen Resonanzkontrollsubstanzen

Country Status (5)

Country Link
US (1) US3388322A (enExample)
JP (1) JPS4930159B1 (enExample)
DE (1) DE1673247C3 (enExample)
FR (1) FR1515301A (enExample)
GB (1) GB1170523A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487293A (en) * 1966-04-23 1969-12-30 Nippon Electron Optics Lab Method of field/frequency control during sample exchanges
US3495162A (en) * 1967-05-19 1970-02-10 Varian Associates Pulsed gyromagnetic resonance spectrometer employing an internal control sample and automatic homogeneity control
US3501688A (en) * 1967-08-21 1970-03-17 Varian Associates Gyromagnetic resonance spectrometer programmed for automatic scan and calibration cycles
FR2000229A1 (enExample) * 1968-01-15 1969-09-05 Sp Konstruktor
JPS4832586A (enExample) * 1971-08-30 1973-04-28
US4110681A (en) * 1977-02-16 1978-08-29 International Business Machines Corporation NMR field frequency lock system
JPS54116436U (enExample) * 1978-01-31 1979-08-15
DE3374813D1 (en) * 1982-12-28 1988-01-14 Toshiba Kk Nuclear magnetic resonance diagnostic apparatus
DE3340384A1 (de) * 1983-11-08 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-einrichtung einer kernspinresonanz-apparatur mit einer oberflaechenspule
JPH0619102Y2 (ja) * 1988-09-22 1994-05-18 日本電子株式会社 Ｎｍｒプローブ
JP2003255032A (ja) * 2002-02-28 2003-09-10 Hitachi Ltd 核磁気共鳴装置用プローブ
JP4030910B2 (ja) * 2003-04-03 2008-01-09 株式会社日立製作所 Ｎｍｒ分析装置用マグネットおよびそれを用いたｎｍｒ分析装置
JP4118844B2 (ja) * 2004-07-26 2008-07-16 株式会社日立製作所 Ｎｍｒ磁場安定化装置および方法
WO2009105701A1 (en) * 2008-02-21 2009-08-27 Regents Of The University Of Minnesota Rf coil for mri which can be switched between different operational modes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL301961A (enExample) * 1956-08-29
NL229200A (enExample) * 1957-07-11
US3329890A (en) * 1964-08-17 1967-07-04 Varian Associates Gyromagnetic resonance apparatus

Also Published As

Publication number Publication date
FR1515301A (fr) 1968-03-01
US3388322A (en) 1968-06-11
DE1673247B2 (de) 1973-08-30
GB1170523A (en) 1969-11-12
JPS4930159B1 (enExample) 1974-08-10
DE1673247A1 (de) 1972-02-24

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee