JP7025417B2 - 無線磁気共鳴エネルギー収集及びコイル離調 - Google Patents

無線磁気共鳴エネルギー収集及びコイル離調 Download PDF

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JP7025417B2
JP7025417B2 JP2019516686A JP2019516686A JP7025417B2 JP 7025417 B2 JP7025417 B2 JP 7025417B2 JP 2019516686 A JP2019516686 A JP 2019516686A JP 2019516686 A JP2019516686 A JP 2019516686A JP 7025417 B2 JP7025417 B2 JP 7025417B2
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magnetic resonance
energy
circuit
coil
detuning
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JP2019534741A (ja
JP2019534741A5 (https=
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ティモシー オーティス
アースリス ガンティ
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019516686A 2016-09-29 2017-09-28 無線磁気共鳴エネルギー収集及びコイル離調 Active JP7025417B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662401326P 2016-09-29 2016-09-29
US62/401,326 2016-09-29
PCT/EP2017/074629 WO2018060332A1 (en) 2016-09-29 2017-09-28 Wireless magnetic resonance energy harvesting and coil detuning

Publications (3)

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JP2019534741A JP2019534741A (ja) 2019-12-05
JP2019534741A5 JP2019534741A5 (https=) 2020-11-12
JP7025417B2 true JP7025417B2 (ja) 2022-02-24

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Country Link
US (1) US10816622B2 (https=)
EP (1) EP3519841B1 (https=)
JP (1) JP7025417B2 (https=)
CN (1) CN109844555B (https=)
WO (1) WO2018060332A1 (https=)

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EP3623831A1 (en) * 2018-09-11 2020-03-18 Koninklijke Philips N.V. Magnetic resonace receive coil with detune circuit and energy harvesting circuit
DE102020212901B4 (de) * 2019-10-14 2023-03-23 Lg Electronics Inc. Drahtloser leistungssensor
DE112021005294T5 (de) 2020-10-06 2023-08-31 Koninklijke Philips N.V. Energiegewinnungsentkoppler für ein magnetresonanz-bildgebungssystem (mri-system)
EP4001944A1 (en) * 2020-11-12 2022-05-25 Koninklijke Philips N.V. Radio frequency receiver with detection of a malfunction of a detune circuit
US11823723B2 (en) * 2021-11-22 2023-11-21 International Business Machines Corporation Memory device with spin-harvesting structure
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WO2016001180A1 (en) 2014-07-01 2016-01-07 Koninklijke Philips N.V. Mr receive coil with detune circuit and energy harvesting circuit

Also Published As

Publication number Publication date
US20190265317A1 (en) 2019-08-29
CN109844555A (zh) 2019-06-04
EP3519841B1 (en) 2024-12-18
CN109844555B (zh) 2025-01-17
WO2018060332A1 (en) 2018-04-05
JP2019534741A (ja) 2019-12-05
EP3519841A1 (en) 2019-08-07
US10816622B2 (en) 2020-10-27

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