JPWO2020083802A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2020083802A5
JPWO2020083802A5 JP2021521463A JP2021521463A JPWO2020083802A5 JP WO2020083802 A5 JPWO2020083802 A5 JP WO2020083802A5 JP 2021521463 A JP2021521463 A JP 2021521463A JP 2021521463 A JP2021521463 A JP 2021521463A JP WO2020083802 A5 JPWO2020083802 A5 JP WO2020083802A5
Authority
JP
Japan
Prior art keywords
capacitor bank
current
amplifier
mri system
power supply
Prior art date
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.)
Granted
Application number
JP2021521463A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022505429A5 (https=
JP7337920B2 (ja
JP2022505429A (ja
Publication date
Priority claimed from EP18202021.4A external-priority patent/EP3644084A1/en
Application filed filed Critical
Publication of JP2022505429A publication Critical patent/JP2022505429A/ja
Publication of JP2022505429A5 publication Critical patent/JP2022505429A5/ja
Publication of JPWO2020083802A5 publication Critical patent/JPWO2020083802A5/ja
Application granted granted Critical
Publication of JP7337920B2 publication Critical patent/JP7337920B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2021521463A 2018-10-23 2019-10-21 Ｍｒｉ用途のためのｒｆパルスの生成 Active JP7337920B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18202021.4A EP3644084A1 (en) 2018-10-23 2018-10-23 Generation of rf pulses for mri applications
EP18202021.4 2018-10-23
PCT/EP2019/078480 WO2020083802A1 (en) 2018-10-23 2019-10-21 Generation of rf pulses for mri applications

Publications (4)

Publication Number Publication Date
JP2022505429A JP2022505429A (ja) 2022-01-14
JP2022505429A5 JP2022505429A5 (https=) 2022-10-28
JPWO2020083802A5 true JPWO2020083802A5 (https=) 2022-10-28
JP7337920B2 JP7337920B2 (ja) 2023-09-04

Family

ID=63965370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021521463A Active JP7337920B2 (ja) 2018-10-23 2019-10-21 Ｍｒｉ用途のためのｒｆパルスの生成

Country Status (5)

Country Link
US (1) US11550008B2 (https=)
EP (2) EP3644084A1 (https=)
JP (1) JP7337920B2 (https=)
CN (1) CN112955766B (https=)
WO (1) WO2020083802A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115395604B (zh) * 2022-08-24 2025-10-21 北京万东医疗科技股份有限公司 一种电容充电控制方法、射频放大器及磁共振设备
US20240141779A1 (en) * 2022-10-28 2024-05-02 Aps Technology, Llc Rotary pulser with regenerative control

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04129532A (ja) * 1990-09-19 1992-04-30 Toshiba Corp 傾斜磁場アンプ装置
JP2716105B2 (ja) * 1991-06-24 1998-02-18 株式会社日立製作所 交番定電流回路
US5451878A (en) * 1994-07-15 1995-09-19 General Electric Company Non-resonant gradient field accelerator
GB9616499D0 (en) * 1996-08-06 1996-09-25 Oxford Instr Uk Ltd Magnetic field pulse generator
US7880330B2 (en) * 2004-06-18 2011-02-01 Bose Corporation Controlling a power converter
US7382128B2 (en) * 2006-02-24 2008-06-03 Kenergy, Inc. Magnetic resonance imaging system with a Class-E radio frequency amplifier
EP2352199B1 (en) * 2008-11-21 2015-08-26 Honda Motor Co., Ltd. Charge control device
WO2012114217A1 (en) * 2011-02-22 2012-08-30 Koninklijke Philips Electronics N.V. Mri rf power amplifier with modulated power supply
CN103547937B (zh) * 2011-05-23 2016-09-21 皇家飞利浦有限公司 作为用于mri rf 线圈的失谐电路的fet 开关
EP2729824B1 (en) * 2011-07-04 2021-05-12 Koninklijke Philips N.V. Magnetic resonance imaging system with a multi-channel impedance matching network
KR101343037B1 (ko) * 2011-11-10 2013-12-18 삼성전자 주식회사 자기 공명 영상용 무선 고주파 코일, 그 코일의 전원 제어 방법 및 그 코일을 이용한 자기 공명 영상 장치
US9897672B2 (en) 2012-04-16 2018-02-20 Koninklijke Philips Electronics N.V. MRI gradient power system with add on energy buffer
WO2014038422A1 (ja) * 2012-09-10 2014-03-13 株式会社東芝 磁気共鳴イメージング装置、及び、磁気共鳴イメージング装置の電力制御方法
JP6373679B2 (ja) * 2014-07-28 2018-08-15 キヤノンメディカルシステムズ株式会社 Ｒｆコイル保管装置
US10564238B2 (en) * 2014-12-17 2020-02-18 General Electric Company Systems and methods for energizing magnets of magnetic resonance imaging (MRI) systems
US10067203B2 (en) * 2015-10-09 2018-09-04 General Electric Company Energy storage solution for an MRI system
JP6611589B2 (ja) 2015-12-17 2019-11-27 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
JP6688638B2 (ja) 2016-03-10 2020-04-28 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
CN107260327B (zh) 2016-03-31 2021-01-05 通用电气公司 用于操控医疗成像装置的峰值功率要求的系统和方法

Similar Documents

Publication Publication Date Title
US20230381526A1 (en) Transmission unit comprising a transmission coil and a temperature sensor
JP2009078149A (ja) 高周波送信装置、高周波送信アンテナ装置、磁気共鳴システムおよび磁気共鳴画像を生成する方法
JP6134747B2 (ja) 無線電力受信装置、負荷変調方法及び無線電力送信装置
Fukuda et al. A novel metal detector using the quality factor of the secondary coil for wireless power transfer systems
US9934902B2 (en) Apparatus and method for transceiving wireless power
US10084350B2 (en) Wireless power transmission system and method
US20200337587A1 (en) Techniques for dynamic control of a magnetic resonance imaging system
US8706256B2 (en) Implantable medical device charging
JP2013530015A5 (https=)
CN114816139B (zh) 一种电容屏、电容屏与触控笔的交互方法及存储介质
JP2015008618A (ja) 送電装置、送電装置の制御方法、プログラム
US20200103479A1 (en) Magnetic resonance apparatus having a patient communication unit and a method for transmitting at least one communication signal
JPWO2020083802A5 (https=)
TW202216059A (zh) 提供操作電源至磁共振成像(mri)系統之系統及方法
KR20230137863A (ko) 비접촉 전력 전송 시스템 및 그 제어 방법
JP2012074972A (ja) 電磁石制御装置
JP7337920B2 (ja) Ｍｒｉ用途のためのｒｆパルスの生成
TWI540812B (zh) Wireless charging system and its detection method of metal foreign body
CN111134676B (zh) 无线充电系统的控制方法
JP2020114110A (ja) 送電装置の制御装置、送電装置、及び非接触電力伝送システム
JP6127799B2 (ja) 超電導コイルの駆動システム
CN209167524U (zh) 一种磁共振成像系统以及磁共振成像系统的梯度系统
KR20110131970A (ko) 무선 충전을 이용한 환자 모니터링 휴대시스템
CN204500696U (zh) 受检对象无线警报器和磁共振成像装置
KR20190129270A (ko) 무선전력전송 장치 및 방법