KR20000022900A - 자기 공진 결상 코일에 대한 연속적인 임의 파형을생성하는 스위칭 증폭기 - Google Patents

자기 공진 결상 코일에 대한 연속적인 임의 파형을생성하는 스위칭 증폭기 Download PDF

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Publication number
KR20000022900A
KR20000022900A KR1019990037300A KR19990037300A KR20000022900A KR 20000022900 A KR20000022900 A KR 20000022900A KR 1019990037300 A KR1019990037300 A KR 1019990037300A KR 19990037300 A KR19990037300 A KR 19990037300A KR 20000022900 A KR20000022900 A KR 20000022900A
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KR
South Korea
Prior art keywords
voltage
switching
input
buck regulator
bus
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.)
Withdrawn
Application number
KR1019990037300A
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English (en)
Korean (ko)
Inventor
스테이거왈드로버트루이스
위스윌리엄프레드릭
스테바노빅르쥬비사드라골쥬브
박존노튼
Original Assignee
제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹
제너럴 일렉트릭 캄파니
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.)
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Application filed by 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹, 제너럴 일렉트릭 캄파니 filed Critical 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹
Publication of KR20000022900A publication Critical patent/KR20000022900A/ko
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Inverter Devices (AREA)
KR1019990037300A 1998-09-04 1999-09-03 자기 공진 결상 코일에 대한 연속적인 임의 파형을생성하는 스위칭 증폭기 Withdrawn KR20000022900A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9/148,559 1998-09-04
US09/148,559 US6031746A (en) 1998-09-04 1998-09-04 Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils

Publications (1)

Publication Number Publication Date
KR20000022900A true KR20000022900A (ko) 2000-04-25

Family

ID=22526290

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990037300A Withdrawn KR20000022900A (ko) 1998-09-04 1999-09-03 자기 공진 결상 코일에 대한 연속적인 임의 파형을생성하는 스위칭 증폭기

Country Status (6)

Country Link
US (1) US6031746A (https=)
EP (1) EP0987818B1 (https=)
JP (1) JP4362176B2 (https=)
KR (1) KR20000022900A (https=)
CN (1) CN1247319A (https=)
DE (1) DE69913454T2 (https=)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166602A (en) * 1999-09-27 2000-12-26 General Electric Company High-efficiency switching power amplifier
US6552918B1 (en) * 2000-12-26 2003-04-22 Juniper Networks, Inc. Space-efficient power supply systems and methods with minimal heat generation
DE10125233C1 (de) * 2001-05-22 2002-12-12 Siemens Ag Empfangsvorrichtung für eine Kernspintomographieanlage
US7302011B1 (en) * 2002-10-16 2007-11-27 Rf Micro Devices, Inc. Quadrature frequency doubling system
WO2004061469A1 (en) * 2003-01-07 2004-07-22 Philips Intellectual Property & Standards Gmbh High-frequency system for an mr apparatus with multiple transmit channels
US6930483B2 (en) * 2003-08-01 2005-08-16 General Electric Company Method/system for switched frequency ripple reduction in MRI gradient coils
US7116166B2 (en) * 2004-06-15 2006-10-03 General Electric Company High fidelity, high power switched amplifier
EP1852962A4 (en) * 2005-02-25 2011-07-27 Mitsubishi Electric Corp CURRENT IMPLEMENTATION DEVICE
US7596008B2 (en) * 2005-02-25 2009-09-29 Mitsubishi Electric Corporation Power conversion apparatus
US7336059B2 (en) * 2005-11-15 2008-02-26 General Electric Company System and method for charging and discharging a superconducting coil
EP2108218A1 (en) * 2007-02-01 2009-10-14 JM Electronics Ltd. Llc Sampling frequency reduction for switching amplifiers
US7508096B1 (en) * 2007-09-20 2009-03-24 General Electric Company Switching circuit apparatus having a series conduction path for servicing a load and switching method
EP2234237A1 (en) * 2009-03-26 2010-09-29 ABB Research Ltd. Method for controlling single-phase DC/AC converters and converter arrangement
EP2234263A1 (en) * 2009-03-27 2010-09-29 Koninklijke Philips Electronics N.V. A power supply, method, and computer program product for supplying electrical power to a load
US20120020126A1 (en) * 2009-04-03 2012-01-26 Komatsu Ltd. Control device of transformer coupling type booster
CN102263542B (zh) 2010-05-31 2015-11-25 Ge医疗系统环球技术有限公司 移相器及其功率放大器和核磁共振成像设备
JP5780512B2 (ja) * 2010-06-07 2015-09-16 株式会社東芝 磁気共鳴イメージング装置
WO2011158170A1 (en) * 2010-06-17 2011-12-22 Koninklijke Philips Electronics N.V. Gradient coil power supply and a magnetic resonance imaging system
JP5731328B2 (ja) * 2011-08-30 2015-06-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー インバータ装置およびｍｒ装置
US10024937B2 (en) 2011-09-27 2018-07-17 Koninklijke Philips N.V. Gradient amplifier with compensation for dead time and forward voltage
CN102508183B (zh) * 2011-11-11 2013-09-11 辽宁开普医疗系统有限公司 一种负载自适应控制的数字可变频pwm梯度放大器
CN103176150B (zh) 2011-12-21 2015-08-26 通用电气公司 梯度放大器系统及其控制方法
CN104170224A (zh) * 2012-03-12 2014-11-26 皇家飞利浦有限公司 用于为mri梯度线圈供电的电源转换器以及操作电源转换器的方法
RU2626026C2 (ru) * 2012-07-25 2017-07-21 Конинклейке Филипс Н.В. Градиентный усилитель mri, работающий при различных скоростях нарастания
US9344042B2 (en) * 2013-02-27 2016-05-17 Hengchun Mao High efficiency power amplifiers with advanced power solutions
US10270439B2 (en) * 2013-02-27 2019-04-23 Hengchun Mao High efficiency resonant power converters and resonant gate drivers
CN104142483B (zh) * 2013-05-07 2017-07-07 辽宁开普医疗系统有限公司 一种高压大电流小纹波梯度放大器
CN103414362B (zh) * 2013-08-23 2015-12-09 东南大学 一种基于通用电压控制策略的可编程电压波形发生设备
CN104518664B (zh) * 2013-09-29 2017-10-03 西门子(深圳)磁共振有限公司 一种磁共振成像系统及其线圈控制装置
EP2910965A1 (en) * 2014-02-19 2015-08-26 Albert-Ludwigs-Universität Freiburg Multi-channel switching system for MRI matrix gradient coils
CN105471393B (zh) * 2014-09-12 2018-12-18 通用电气公司 以零电压开关及热平衡控制算法运作的开关放大器
CN105703631B (zh) * 2014-11-25 2018-12-25 上海联影医疗科技有限公司 梯度放大器功率单元、梯度放大器及磁共振成像系统
CN105703726B (zh) * 2014-11-28 2021-04-20 Ge医疗系统环球技术有限公司 功率放大器、电源装置和磁共振成像设备
DE102014118040B4 (de) * 2014-12-05 2017-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Regelschaltung für eine Basisstation zum Übertragen einer Energie auf einen Empfänger mittels eines elektrischen Schwingkreises, Auswerteeinrichtung, Verfahren und Computerprogramm
TWI710782B (zh) 2015-04-13 2020-11-21 美商超精細研究股份有限公司 用於對操作磁共振成像系統之至少一梯度線圈提供電力之裝置及方法以及磁共振成像系統
US9807863B1 (en) * 2016-06-09 2017-10-31 Advanced Energy Industries, Inc. Switching amplifier
USD876628S1 (en) 2016-07-20 2020-02-25 Nyxoah S.A. Medical implant
USD988519S1 (en) 2016-09-12 2023-06-06 Nyxoah S.A. Patch
US11707623B2 (en) 2017-02-28 2023-07-25 Nyxoah S.A. Surgical implant system
CN108173417B (zh) 2018-01-11 2020-06-16 台达电子企业管理（上海）有限公司 梯度电源驱动级电路、梯度电源系统及其控制方法
NL2022222B1 (en) * 2018-12-17 2020-07-03 Prodrive Tech Bv Voltage waveform generator for plasma processing apparatuses
EP3878002B1 (en) * 2018-11-09 2023-06-07 Prodrive Technologies Innovation Services B.V. Voltage waveform generator for plasma processing apparatuses
NL2022999B1 (en) * 2019-04-24 2020-11-02 Prodrive Tech Bv Voltage waveform generator for plasma processing apparatuses
US12047042B2 (en) * 2021-11-30 2024-07-23 Silicon Laboratories Inc. Switching power amplifier with output harmonic suppression
WO2024089751A1 (ja) * 2022-10-25 2024-05-02 三菱電機株式会社 高電圧パルス電源装置、ガスレーザ発振器及びレーザ加工機
WO2024118563A1 (en) * 2022-11-30 2024-06-06 Corning Incorporated Driver circuit, optical system using the driver circuit, and method to control optical device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468626A (en) * 1982-01-25 1984-08-28 Harris Corporation Polyphase PDM amplifier
EP0250718A1 (de) * 1986-06-30 1988-01-07 Siemens Aktiengesellschaft Stromversorgung für einen induktiven Verbraucher, insbesondere eine Gradientenspule, mit Steuer- und Regeleinrichtung
US4864479A (en) * 1988-03-07 1989-09-05 General Electric Company Full-bridge lossless switching converter
DE69409968T2 (de) * 1993-11-30 1998-10-29 Crown International, Inc., Elkhart, Ind. Schaltnetzteil für einen leistungsverstärker
US5576940A (en) * 1995-01-09 1996-11-19 General Electric Company Front-end power converter for distributed power systems
US5663647A (en) * 1995-12-29 1997-09-02 General Electric Company Switching gradient amplifier with adjustable DC bus voltage
US5781421A (en) * 1996-12-16 1998-07-14 General Electric Company High-frequency, high-efficiency converter with recirculating energy control for high-density power conversion

Also Published As

Publication number Publication date
EP0987818B1 (en) 2003-12-10
DE69913454T2 (de) 2004-10-07
EP0987818A3 (en) 2002-03-20
US6031746A (en) 2000-02-29
EP0987818A2 (en) 2000-03-22
DE69913454D1 (de) 2004-01-22
JP4362176B2 (ja) 2009-11-11
JP2000092856A (ja) 2000-03-31
CN1247319A (zh) 2000-03-15

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19990903

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid