FI844561L - Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas. - Google Patents

Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas.

Info

Publication number
FI844561L
FI844561L FI844561A FI844561A FI844561L FI 844561 L FI844561 L FI 844561L FI 844561 A FI844561 A FI 844561A FI 844561 A FI844561 A FI 844561A FI 844561 L FI844561 L FI 844561L
Authority
FI
Finland
Prior art keywords
undersoekas
kartlaeggning
kaernmagnetiska
objekt
foerfarande foer
Prior art date
Application number
FI844561A
Other languages
English (en)
Other versions
FI75428B (fi
FI75428C (fi
FI844561A0 (fi
Inventor
Raimo Sepponen
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI844561A priority Critical patent/FI75428C/fi
Publication of FI844561A0 publication Critical patent/FI844561A0/fi
Priority to DE3539256A priority patent/DE3539256C2/de
Priority to GB8528021A priority patent/GB2167564B/en
Priority to JP60262344A priority patent/JPS61130863A/ja
Publication of FI844561L publication Critical patent/FI844561L/fi
Priority to US07/070,658 priority patent/US4799015A/en
Publication of FI75428B publication Critical patent/FI75428B/fi
Application granted granted Critical
Publication of FI75428C publication Critical patent/FI75428C/fi

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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI844561A 1984-11-21 1984-11-21 Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas. FI75428C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI844561A FI75428C (fi) 1984-11-21 1984-11-21 Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas.
DE3539256A DE3539256C2 (de) 1984-11-21 1985-11-06 Verfahren zur Darstellung der kernmagnetischen Eigenschaften eines zu untersuchenden Objektes
GB8528021A GB2167564B (en) 1984-11-21 1985-11-13 Method of mapping the nuclear magnetic properties of an object to be examined
JP60262344A JPS61130863A (ja) 1984-11-21 1985-11-21 検査すべき物体の核磁気特性の写像化方法
US07/070,658 US4799015A (en) 1984-11-21 1987-07-07 Method of mapping the nuclear magnetic properties of an object to be examined

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI844561A FI75428C (fi) 1984-11-21 1984-11-21 Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas.
FI844561 1984-11-21

Publications (4)

Publication Number Publication Date
FI844561A0 FI844561A0 (fi) 1984-11-21
FI844561L true FI844561L (fi) 1986-05-22
FI75428B FI75428B (fi) 1988-02-29
FI75428C FI75428C (fi) 1988-06-09

Family

ID=8519926

Family Applications (1)

Application Number Title Priority Date Filing Date
FI844561A FI75428C (fi) 1984-11-21 1984-11-21 Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas.

Country Status (5)

Country Link
US (1) US4799015A (fi)
JP (1) JPS61130863A (fi)
DE (1) DE3539256C2 (fi)
FI (1) FI75428C (fi)
GB (1) GB2167564B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908392A1 (de) * 1989-03-15 1990-09-20 Bruker Medizintech Verfahren zur lokalisierten magnetischen resonanz-spektroskopie (losy) und zur schichtselektiven anregung von transversalmagnetisierungen (slise)
DE3912142A1 (de) * 1989-04-13 1990-10-25 Philips Patentverwaltung Verfahren fuer die kohlenstoff-kernresonanz-spektroskopie und anordnung zur durchfuehrung des verfahrens
DE3919052A1 (de) * 1989-06-10 1991-01-03 Kimmich Rainer Verfahren und impulssequenzen zur tomographie, lokalisierten spektroskopie und relaxometrie auf der grundlage der magnetischen resonanz
US5307808A (en) * 1992-04-01 1994-05-03 General Electric Company Tracking system and pulse sequences to monitor the position of a device using magnetic resonance
US5271400A (en) * 1992-04-01 1993-12-21 General Electric Company Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device
US5404882A (en) * 1992-08-05 1995-04-11 Wisconsin Alumni Research Foundation Adiabatic off-resonance spin-locking for enhanced tumor contrast in NMR imaging
US5353795A (en) * 1992-12-10 1994-10-11 General Electric Company Tracking system to monitor the position of a device using multiplexed magnetic resonance detection
FI95625C (fi) * 1993-03-10 1996-02-26 Picker Nordstar Oy Kuvausmenetelmä
WO2003019219A1 (en) * 2001-08-31 2003-03-06 Bondoc Edwin L Electron capture by magnetic resonance
ITGE20110024A1 (it) * 2011-03-03 2012-09-04 Ct Naz Delle Ricerche Metodo per la generazione di mappe dei tempi di rilassamento t1 e t2 in mri
US10172521B2 (en) 2013-07-08 2019-01-08 General Electric Company Systems and methods for tracking imaging attenuators

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103693A (fi) * 1973-02-02 1974-10-01
US4015196A (en) * 1974-04-05 1977-03-29 National Research Development Corporation Analysis of materials
US4021726A (en) * 1974-09-11 1977-05-03 National Research Development Corporation Image formation using nuclear magnetic resonance
CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
GB1596160A (en) * 1976-12-15 1981-08-19 Nat Res Dev Nuclear magnetic resonance apparatus and methods
US4110681A (en) * 1977-02-16 1978-08-29 International Business Machines Corporation NMR field frequency lock system
GB1601970A (en) * 1978-05-31 1981-11-04 Nat Res Dev Methods of deriving image information from objects
US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
FI58868C (fi) * 1979-06-01 1981-05-11 Instrumentarium Oy Nmr-diagnosanordning
GB2057142B (en) * 1979-08-10 1983-09-14 Emi Ltd Nuclear magnetic resonance systems
GB2056088B (en) * 1979-08-10 1984-07-11 Emi Ltd Nuclear magnetic resonance systems
WO1981002788A1 (en) * 1980-03-14 1981-10-01 Nat Res Dev Methods of producing image information from objects
US4345207A (en) * 1980-04-24 1982-08-17 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for obtaining enhanced NMR signals
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
US4563647A (en) * 1982-06-09 1986-01-07 Picker International Limited Nuclear magnetic resonance methods and apparatus
US4484138A (en) * 1982-07-01 1984-11-20 General Electric Company Method of eliminating effects of spurious free induction decay NMR signal caused by imperfect 180 degrees RF pulses

Also Published As

Publication number Publication date
DE3539256A1 (de) 1986-05-22
JPH0576298B2 (fi) 1993-10-22
DE3539256C2 (de) 1999-08-12
US4799015A (en) 1989-01-17
FI75428B (fi) 1988-02-29
FI75428C (fi) 1988-06-09
GB8528021D0 (en) 1985-12-18
GB2167564A (en) 1986-05-29
GB2167564B (en) 1989-06-14
FI844561A0 (fi) 1984-11-21
JPS61130863A (ja) 1986-06-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: INSTRUMENTARIUM OY