DE3668989D1 - Kernmagnetisches resonanzsystem. - Google Patents

Kernmagnetisches resonanzsystem.

Info

Publication number: DE3668989D1
Authority: DE; Germany
Prior art keywords: magnetic resonance; resonance system; core magnetic; core; resonance
Prior art date: 1985-07-11
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 - Lifetime

Application number

DE8686305202T

Other languages

English (en)

Inventor

Yoshio C O Patent Divi Machida

Takao C O Patent Divis Kasugai

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.)

1985-07-11

Filing date

1986-07-04

Publication date

1990-03-15

1986-07-04 Application filed by Toshiba Corp filed Critical Toshiba Corp

1990-03-15 Application granted granted Critical

1990-03-15 Publication of DE3668989D1 publication Critical patent/DE3668989D1/de

2006-07-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

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)

DE8686305202T 1985-07-11 1986-07-04 Kernmagnetisches resonanzsystem. Expired - Lifetime DE3668989D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60151342A JPH0657205B2 (ja)	1985-07-11	1985-07-11	磁気共鳴イメージング方法および装置

Publications (1)

Publication Number	Publication Date
DE3668989D1 true DE3668989D1 (de)	1990-03-15

Family

ID=15516471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686305202T Expired - Lifetime DE3668989D1 (de)	1985-07-11	1986-07-04	Kernmagnetisches resonanzsystem.

Country Status (5)

Country	Link
US (1)	US4709211A (de)
EP (1)	EP0208522B1 (de)
JP (1)	JPH0657205B2 (de)
CA (1)	CA1242762A (de)
DE (1)	DE3668989D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5055788A (en) *	1986-08-27	1991-10-08	Schlumberger Technology Corporation	Borehole measurement of NMR characteristics of earth formations
GB8702951D0 (en) *	1987-02-10	1987-03-18	Surrey Medical Imaging Systems	Nmr imaging
US4888552A (en) *	1989-01-05	1989-12-19	Elscint Ltd.	Magnetic resonance imaging
DE69321653T2 (de) *	1992-05-27	1999-05-20	Koninklijke Philips Electronics N.V., Eindhoven	Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz
EP1236054A1 (de) *	2000-11-14	2002-09-04	Koninklijke Philips Electronics N.V.	Bildgebende magnetische resonanz mit korrektur der nichtlinearität von gradientenfeldern
AU2003901659A0 (en)	2003-04-09	2003-05-01	Inner Vision Biometrics Pty Ltd	Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (RF) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object
US9201129B2 (en) *	2006-09-13	2015-12-01	Kabushiki Kaisha Toshiba	Magnetic-resonance image diagnostic apparatus and method of controlling the same
JP5422194B2 (ja) *	2008-12-18	2014-02-19	株式会社東芝	磁気共鳴イメージング装置
US9864033B1 (en) *	2013-08-26	2018-01-09	University Of New Brunswick	Free induction decay based magnetic resonance imaging methods
DE102016212632A1 (de)	2016-07-12	2018-01-18	Siemens Healthcare Gmbh	Reduzierung von Artefakten in der Magnetresonanztechnik

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1052861A (en) *	1975-03-18	1979-04-17	Varian Associates	Gyromagnetic resonance fourier transform zeugmatography
US4355282A (en) *	1979-08-03	1982-10-19	Picker International Limited	Nuclear magnetic resonance systems
JPH055502B2 (de) *	1980-03-14	1993-01-22	Nat Res Dev
DE3135335A1 (de) *	1981-09-07	1983-08-18	Siemens AG, 1000 Berlin und 8000 München	Kernspin-tomographie-verfahren
EP0076054B1 (de) *	1981-09-21	1986-06-04	Peter Mansfield	Kernmagnetische Resonanzmethoden
US4431968A (en) *	1982-04-05	1984-02-14	General Electric Company	Method of three-dimensional NMR imaging using selective excitation
US4587489A (en) *	1983-10-07	1986-05-06	General Electric Company	Method for rapid acquisition of NMR data
US4570119A (en) *	1983-11-15	1986-02-11	General Electric Company	Method for visualization of in-plane fluid flow by proton NMR imaging
US4609872A (en) *	1984-08-10	1986-09-02	General Electric Company	NMR multiple-echo phase-contrast blood flow imaging
US4649345A (en) *	1984-08-17	1987-03-10	Mitsubishi Denki Kabushiki Kaisha	NMR imaging method
US4593246A (en) *	1984-09-12	1986-06-03	Varian Associates, Inc.	NMR tuning procedure
US4654593A (en) *	1985-02-13	1987-03-31	University Of Cincinnati	Method for chemical and tomographic analysis of a moving object by nuclear magnetic resonance

1985
- 1985-07-11 JP JP60151342A patent/JPH0657205B2/ja not_active Expired - Lifetime
1986
- 1986-07-04 DE DE8686305202T patent/DE3668989D1/de not_active Expired - Lifetime
- 1986-07-04 EP EP86305202A patent/EP0208522B1/de not_active Expired
- 1986-07-10 CA CA000513546A patent/CA1242762A/en not_active Expired
- 1986-07-11 US US06/884,504 patent/US4709211A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0208522B1 (de)	1990-02-07
EP0208522A2 (de)	1987-01-14
JPS6214840A (ja)	1987-01-23
US4709211A (en)	1987-11-24
JPH0657205B2 (ja)	1994-08-03
EP0208522A3 (en)	1987-04-08
CA1242762A (en)	1988-10-04

Publication	Publication Date	Title
FI863321A0 (fi)	1986-08-15	Magnetisk resonansavbildningsanordning omfattande en hoegfrekvensburspole.
FI863407A0 (fi)	1986-08-22	Magnetisk resonansavbildningsapparat innehaollande magnetiska element avsedda foer faelthomogenisering.
DE68907278D1 (de)	1993-07-29	Supraleitender magnetresonanz-magnet.
DE59003260D1 (de)	1993-12-02	Magnetsystem.
DE3854177D1 (de)	1995-08-24	Planarspule.
KR870019035U (ko)	1987-12-26	페라이트 코어
IT8821983A0 (it)	1988-09-16	Complesso di fissaggio magnetico.
DK585087D0 (da)	1987-11-09	Magnetfeltgiver
DE3750351D1 (de)	1994-09-15	Magnetischer Toner.
DE3689873D1 (de)	1994-07-07	Bilderzeugung mittels magnetischer Kernresonanz.
NL8601725A (nl)	1987-02-02	Magnetisch registratiemedium.
DE3685230D1 (de)	1992-06-17	Magnetkopf.
DE3484160D1 (de)	1991-04-04	Magnetisches kernresonanzgeraet.
DE3675624D1 (de)	1990-12-20	Magnetspule.
DE69013227D1 (de)	1994-11-17	Magnetkern.
DE3684348D1 (de)	1992-04-23	Magnetkopf.
DE3668989D1 (de)	1990-03-15	Kernmagnetisches resonanzsystem.
DE3672208D1 (de)	1990-08-02	Magnetseparatoren.
DE3685159D1 (de)	1992-06-11	Magnetische uebertragungsmethode.
DE68912880D1 (de)	1994-03-17	Magnetkerne.
DE3684049D1 (de)	1992-04-09	Magnetbandsystem mit schreibwiederholung.
DE3679415D1 (de)	1991-07-04	Magnetkopf.
DE3574073D1 (de)	1989-12-07	Ironless solenoidal magnet
DE3680010D1 (de)	1991-08-08	Magnetkopf.
DE3681806D1 (de)	1991-11-14	Magnetkopf.

Legal Events

Date	Code	Title	Description
1991-02-21	8364	No opposition during term of opposition
1999-09-09	8339	Ceased/non-payment of the annual fee