DE9012639U1 - - Google Patents

Info

Publication number: DE9012639U1
Authority: DE; Germany
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

DE9012639U

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.)

Siemens AG

Original Assignee

Siemens AG

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.)

1989-09-18

Filing date

1990-09-04

Publication date

1990-10-31

1990-09-04 Application filed by Siemens AG filed Critical Siemens AG

1990-10-31 Publication of DE9012639U1 publication Critical patent/DE9012639U1/de

2000-09-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
- 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
- G01R33/3628—Tuning/matching of the transmit/receive coil

DE9012639U 1989-09-18 1990-09-04 Expired - Lifetime DE9012639U1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP89117240		1989-09-18

Publications (1)

Publication Number	Publication Date
DE9012639U1 true DE9012639U1 (de)	1990-10-31

Family

ID=8201901

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE9012639U Expired - Lifetime DE9012639U1 (de)	1989-09-18	1990-09-04

Country Status (3)

Country	Link
US (1)	US5144244A (de)
JP (1)	JPH03112539A (de)
DE (1)	DE9012639U1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0489312A1 (de) *	1990-12-04	1992-06-10	Siemens Aktiengesellschaft	Anordnung zum Herstellen von Schnittbildern durch magnetische Kernresonanz
DE4231584A1 (de) *	1991-11-22	1993-05-27	Siemens Ag	Lokalantenne mit homogener empfindlichkeit fuer ein kernspinresonanz-bildgeraet

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5317266A (en) *	1991-11-22	1994-05-31	Siemens Aktiengesellschaft	Local antenna with homogeneous sensitivity for a nuclear magnetic resonance imaging apparatus
US5243287A (en) *	1992-04-27	1993-09-07	General Electric Company	Dynamically detuned NMR field coil
US5387868A (en) *	1992-09-29	1995-02-07	U.S. Philips Corporation	Magnetic resonance apparatus
US5551430A (en) *	1994-08-05	1996-09-03	Picker International, Inc.	RF coil identification and testing interface for NMR systems
GB2331587B (en) *	1996-06-03	2001-05-02	Samuel Roznitsky	Antenna system for NMR and MRI apparatus
DE19635029C1 (de) *	1996-08-29	1998-02-19	Siemens Ag	Lokalantenne für ein Magnetresonanzgerät
DE19727524C1 (de) *	1997-06-30	1999-03-04	Siemens Ag	Hochfrequenzempfangseinheit für ein Magnetresonanzgerät
ITSV20010039A1 (it) *	2001-10-31	2003-05-01	Esaote Spa	Circuito didisaccoppiamento di bobine di trasmissione nelle macchine per il rilevamento d'immagini di risonanza
AU2003223429A1 (en) *	2002-04-05	2003-10-27	University Of Rochester	Cryogenically cooled phased array rf receiver coil for magnetic resonance imaging
GB0209756D0 (en) *	2002-04-29	2002-06-05	Imp College Innovations Ltd	Magnetic resonance imaging receive circuit
US6791328B1 (en)	2003-06-06	2004-09-14	General Electric Company	Method and apparatus for very high field magnetic resonance imaging systems
JP4866760B2 (ja) *	2007-03-06	2012-02-01	株式会社日立メディコ	磁気共鳴イメージング装置
DE102012213995B3 (de)	2012-08-07	2014-06-12	Siemens Aktiengesellschaft	System zur elektromagnetischen Anregung bei einer Magnetresonanz-Tomographie sowie Magnetresonanz-Tomograph
JP2016501601A (ja)	2012-12-20	2016-01-21	コーニンクレッカフィリップスエヌヴェＫｏｎｉｎｋｌｉｊｋｅＰｈｉｌｉｐｓＮ．Ｖ．	Ｒｆ受信コイル要素の自動化されたデカップリング
CN108802641B (zh)	2013-04-11	2022-01-07	西门子(深圳)磁共振有限公司	一种局部线圈及磁共振成像系统
CN107783627A (zh) *	2016-08-25	2018-03-09	鸿富锦精密工业(武汉)有限公司	保护电路
JP7224792B2 (ja) *	2018-06-28	2023-02-20	キヤノンメディカルシステムズ株式会社	磁気共鳴イメージング装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4408162A (en) *	1980-12-22	1983-10-04	Varian Associates, Inc.	Sensitivity NMR probe
US4620155A (en) *	1984-08-16	1986-10-28	General Electric Company	Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4764726A (en) *	1985-08-05	1988-08-16	Picker International, Inc.	Low distortion RF switching circuit without DC bias
US4717881A (en) *	1985-11-15	1988-01-05	Technicare Corporation	Radio frequency coils for nuclear magnetic resonance imaging systems
EP0262495B1 (de) *	1986-09-22	1991-07-24	Siemens Aktiengesellschaft	Kernspin-Resonanzgerät zur Ermittlung von Spektren oder Bildern eines Untersuchungsobjektes
NL8603253A (nl) *	1986-12-22	1988-07-18	Philips Nv	Kernspinresonantie-apparaat met draaiveldopwekking en detektie.
NL8603250A (nl) *	1986-12-22	1988-07-18	Philips Nv	Magnetisch resonantie-apparaat met pin-diode ontkoppelde detektiespoel.
EP0300261A1 (de) *	1987-07-17	1989-01-25	Siemens Aktiengesellschaft	PIN-Dioden-Schalter
US4763076A (en) *	1987-09-01	1988-08-09	The Regents Of The University Of California	MRI transmit coil disable switching via RF in/out cable
US4855680A (en) *	1987-11-02	1989-08-08	The Regents Of The University Of California	Enhanced decoupling of MRI RF coil pairs during RF tuning of MRI RF transmit coil
JPH01293858A (ja) *	1988-05-20	1989-11-27	Toshiba Corp	Ｒｆコイル装置
JP2647139B2 (ja) *	1988-05-24	1997-08-27	株式会社東芝	磁気共鳴装置のプローブヘッド

1990
- 1990-09-04 DE DE9012639U patent/DE9012639U1/de not_active Expired - Lifetime
- 1990-09-13 JP JP2243680A patent/JPH03112539A/ja active Pending
- 1990-09-18 US US07/584,174 patent/US5144244A/en not_active Expired - Fee Related

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0489312A1 (de) *	1990-12-04	1992-06-10	Siemens Aktiengesellschaft	Anordnung zum Herstellen von Schnittbildern durch magnetische Kernresonanz
US5258718A (en) *	1990-12-04	1993-11-02	Siemens Aktiengesellschaft	Nuclear magnetic resonance tomography apparatus
DE4231584A1 (de) *	1991-11-22	1993-05-27	Siemens Ag	Lokalantenne mit homogener empfindlichkeit fuer ein kernspinresonanz-bildgeraet

Also Published As

Publication number	Publication date
JPH03112539A (ja)	1991-05-14
US5144244A (en)	1992-09-01

Publication	Publication Date	Title
DE8901235U1 (de)	1990-06-07
DE4092382T1 (de)	1992-01-30
DE8902287U1 (de)	1989-04-20
DE9012639U1 (de)	1990-10-31
DE8904516U1 (de)	1989-10-05
DE8903908U1 (de)	1989-06-22
DE8903703U1 (de)	1990-07-26
DE8904071U1 (de)	1990-08-02
DE8902954U1 (de)	1989-07-27
DE8904201U1 (de)	1989-05-18
IN173570B (de)	1994-06-04
DE8903813U1 (de)	1989-05-18
DE8904110U1 (de)	1989-07-06
DE8903423U1 (de)	1989-05-03
DE8906106U1 (de)	1989-09-14
DE8906370U1 (de)	1989-07-13
DE8904824U1 (de)	1989-09-07
DE8900846U1 (de)	1989-05-18
DE8905839U1 (de)	1990-09-13
DE8905740U1 (de)	1989-07-27
DE8901224U1 (de)	1989-11-23
DE8900699U1 (de)	1989-08-24
DE8903486U1 (de)	1989-05-11
DE8903972U1 (de)	1989-07-20
DE8905156U1 (de)	1990-05-23