BR9709291A - Sistemas de antena e processo para operar um sistema de antena - Google Patents

Sistemas de antena e processo para operar um sistema de antena

Info

Publication number
BR9709291A
BR9709291A BR9709291A BR9709291A BR9709291A BR 9709291 A BR9709291 A BR 9709291A BR 9709291 A BR9709291 A BR 9709291A BR 9709291 A BR9709291 A BR 9709291A BR 9709291 A BR9709291 A BR 9709291A
Authority
BR
Brazil
Prior art keywords
antenna
operating
systems
antenna system
antenna systems
Prior art date
Application number
BR9709291A
Other languages
English (en)
Inventor
Samuel Roznitsky
Original Assignee
Samuel Roznitsky
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 Samuel Roznitsky filed Critical Samuel Roznitsky
Publication of BR9709291A publication Critical patent/BR9709291A/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual 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
    • G01R33/3657Decoupling 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR9709291A 1996-06-03 1997-05-29 Sistemas de antena e processo para operar um sistema de antena BR9709291A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65676696A 1996-06-03 1996-06-03
US78259297A 1997-01-13 1997-01-13
PCT/US1997/009420 WO1997046895A1 (en) 1996-06-03 1997-05-29 Antenna system for nmr and mri apparatus

Publications (1)

Publication Number Publication Date
BR9709291A true BR9709291A (pt) 1999-08-10

Family

ID=27097262

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709291A BR9709291A (pt) 1996-06-03 1997-05-29 Sistemas de antena e processo para operar um sistema de antena

Country Status (8)

Country Link
US (1) US5903150A (pt)
JP (1) JP2000514670A (pt)
CN (1) CN1135400C (pt)
AU (1) AU3151997A (pt)
BR (1) BR9709291A (pt)
GB (1) GB2331587B (pt)
IL (1) IL126959A0 (pt)
WO (1) WO1997046895A1 (pt)

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DE102006050069B4 (de) * 2006-10-24 2011-07-07 Siemens AG, 80333 Birdcage-Resonator mit Koppelringen zusätzlich zu den Endringen
CN101688906B (zh) * 2007-06-19 2013-07-17 皇家飞利浦电子股份有限公司 核磁共振成像射频接收器
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US8854042B2 (en) * 2010-08-05 2014-10-07 Life Services, LLC Method and coils for human whole-body imaging at 7 T
WO2012005620A1 (ru) * 2010-07-08 2012-01-12 Korotkov Konstantin Georgievich Устройство для измерения напряженности электромагнитного поля
WO2012088670A1 (zh) * 2010-12-29 2012-07-05 海能达通信股份有限公司 一种射频带通滤波电路
US8723518B2 (en) 2011-03-18 2014-05-13 Nicole SEIBERLICH Nuclear magnetic resonance (NMR) fingerprinting
US10627468B2 (en) * 2011-03-18 2020-04-21 Case Western Reserve University Nuclear magnetic resonance (NMR) fingerprinting
CN103257331B (zh) * 2012-02-16 2016-03-02 上海联影医疗科技有限公司 一种双频射频线圈
DE102012206066A1 (de) * 2012-04-13 2013-10-17 Siemens Aktiengesellschaft Erkennung ungesteckter Lokalspulen in einem Kernspintomographen
DE102012209754B4 (de) * 2012-06-12 2016-09-22 Siemens Healthcare Gmbh Spuleneinrichtung für einen Kernspintomographen
US9404954B2 (en) * 2012-10-19 2016-08-02 Witricity Corporation Foreign object detection in wireless energy transfer systems
US10094895B2 (en) * 2012-11-05 2018-10-09 Koninklijke Philips N.V. Transmit/receive switching circuitry with improved radio frequency isolation
DE102013003836A1 (de) * 2012-11-14 2014-05-15 Krohne Ag Messsystem für kernmagnetische Messgeräte
DE102013006305B4 (de) * 2013-03-19 2015-02-19 Krohne Ag Signalanalysator, insbesondere für kernmagnetische Durchflussmessgeräte
US9851420B2 (en) * 2013-08-09 2017-12-26 Schlumberger Technology Corporation Magnetic resonance transmitter
US10241063B2 (en) * 2015-04-15 2019-03-26 Jeol Ltd. Magnetic coupling high resolution nuclear magnetic resolution probe and method of use
DE102016214441B3 (de) 2016-08-04 2017-11-30 Bruker Biospin Gmbh Hochfrequenz-Interface-Schaltkreis, Hochfrequenzsystem und Magnetresonanzapparatur mit einem Hochfrequenz-Interface-Schaltkreis
US10852373B2 (en) * 2016-09-21 2020-12-01 Quality Electrodynamics, Llc Modulating magnetic resonance imaging transmit field in magnetic resonance fingerprinting using single layer transmit/receive radio frequency coil
US10386430B2 (en) * 2016-09-21 2019-08-20 Quality Electrodynamics, Llc Single layer magnetic resonance imaging transmit/receive radio frequency coil
US10347973B2 (en) * 2017-02-21 2019-07-09 Nxp B.V. Near-field electromagnetic induction (NFEMI) antenna
US10976388B2 (en) 2017-03-24 2021-04-13 Quality Electrodynamics, Llc Minimizing intravascular magnetic resonance imaging (MRI) guidewire heating with single layer MRI transmit/receive radio frequency coil
US11156682B2 (en) 2017-03-24 2021-10-26 Quality Electrodynamics, Llc Single layer magnetic resonance imaging transmit/receive radio frequency coil for different anatomies
US10649048B2 (en) 2017-04-28 2020-05-12 Quality Electrodynamics, Llc Single layer magnetic resonance imaging (MRI) transmit/receive (TX/RX) radio frequency (RF) coil with integrated shimming
US11193992B2 (en) 2017-05-05 2021-12-07 Quality Electrodynamics, Llc Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection
US10838028B2 (en) 2017-06-19 2020-11-17 Quality Electrodynamics, Llc Decoupling magnetic resonance imaging (MRI) radio frequency (RF) coil elements with high acceleration factor in parallel transmit (pTx) or receive (Rx) coils using fewer channels
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US10871530B2 (en) * 2018-05-21 2020-12-22 Hyperfine Research, Inc. Radio-frequency coil signal chain for a low-field MRI system
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CN109444970B (zh) * 2019-01-11 2020-06-16 中国科学院成都生物研究所 一种利用视觉感知控制的探地电磁波谱收发方法
US11171684B1 (en) 2020-06-05 2021-11-09 Baker Hughes Oilfield Operations Llc Control of tranmsitting and receving antenna properties to reduce electromagnetic coupling

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Also Published As

Publication number Publication date
CN1135400C (zh) 2004-01-21
GB2331587A (en) 1999-05-26
CN1221493A (zh) 1999-06-30
WO1997046895A1 (en) 1997-12-11
AU3151997A (en) 1998-01-05
IL126959A0 (en) 1999-09-22
GB9826523D0 (en) 1999-01-27
US5903150A (en) 1999-05-11
JP2000514670A (ja) 2000-11-07
GB2331587B (en) 2001-05-02

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Free format text: REFERENTE A 10A , 11A E 12A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO 24.3 PUBLICADO NA RPI 2002 DE 19/05/2009.