JPH10201732A - 電源装置及びこれを用いた磁気共鳴イメージング装置 - Google Patents

電源装置及びこれを用いた磁気共鳴イメージング装置

Info

Publication number
JPH10201732A
JPH10201732A JP9017636A JP1763697A JPH10201732A JP H10201732 A JPH10201732 A JP H10201732A JP 9017636 A JP9017636 A JP 9017636A JP 1763697 A JP1763697 A JP 1763697A JP H10201732 A JPH10201732 A JP H10201732A
Authority
JP
Japan
Prior art keywords
reactor
power supply
current
adjusting
switching power
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.)
Pending
Application number
JP9017636A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10201732A5 (https=
Inventor
Keiichi Chabata
圭一 茶畑
Hiroshi Takano
博司 高野
Takuya Domoto
拓也 堂本
Hiroyuki Takeuchi
博幸 竹内
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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 Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP9017636A priority Critical patent/JPH10201732A/ja
Publication of JPH10201732A publication Critical patent/JPH10201732A/ja
Publication of JPH10201732A5 publication Critical patent/JPH10201732A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
JP9017636A 1997-01-17 1997-01-17 電源装置及びこれを用いた磁気共鳴イメージング装置 Pending JPH10201732A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9017636A JPH10201732A (ja) 1997-01-17 1997-01-17 電源装置及びこれを用いた磁気共鳴イメージング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9017636A JPH10201732A (ja) 1997-01-17 1997-01-17 電源装置及びこれを用いた磁気共鳴イメージング装置

Publications (2)

Publication Number Publication Date
JPH10201732A true JPH10201732A (ja) 1998-08-04
JPH10201732A5 JPH10201732A5 (https=) 2004-12-16

Family

ID=11949361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9017636A Pending JPH10201732A (ja) 1997-01-17 1997-01-17 電源装置及びこれを用いた磁気共鳴イメージング装置

Country Status (1)

Country Link
JP (1) JPH10201732A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017051403A (ja) * 2015-09-09 2017-03-16 セイコーエプソン株式会社 超音波モジュール、超音波装置、及び超音波モジュールの制御方法
WO2020070864A1 (ja) * 2018-10-04 2020-04-09 三菱電機株式会社 電源装置および磁気共鳴イメージング装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017051403A (ja) * 2015-09-09 2017-03-16 セイコーエプソン株式会社 超音波モジュール、超音波装置、及び超音波モジュールの制御方法
US10631832B2 (en) 2015-09-09 2020-04-28 Seiko Epson Corporation Ultrasonic module, ultrasonic apparatus, and method of controlling ultrasonic module
WO2020070864A1 (ja) * 2018-10-04 2020-04-09 三菱電機株式会社 電源装置および磁気共鳴イメージング装置
JPWO2020070864A1 (ja) * 2018-10-04 2021-04-08 三菱電機株式会社 電源装置および磁気共鳴イメージング装置

Similar Documents

Publication Publication Date Title
JP4732021B2 (ja) 高忠実度で高出力の切り替え式増幅器
US7253625B2 (en) Precision gradient amplifier with multiple output voltage levels
US5311136A (en) Gradient power source apparatus for magnetic resonance imaging system
WO2004070411A1 (en) Precision gradient amplifier with multiple output voltage levels
US6051975A (en) Gradient magnetic field electronic power supply for gradient coil
EP3841602B1 (en) Current control apparatus
US5721490A (en) Power source apparatus including a plurality of output current amplifiers connected in parallel and MRI apparatus using the same
US5406205A (en) Gradient-generation system, nuclear spin tomograph, and process for the generation of images with a nuclear-spin tomograph
US6930483B2 (en) Method/system for switched frequency ripple reduction in MRI gradient coils
DE60030928T2 (de) Treiben der Gradientenspulen eines Gerätes zur Bilderzeugung durch magnetische Resonanz
EP0460894A2 (en) Gradient speed-up circuit for NMR system
EP3290939A2 (en) Gradient amplifier
JPH10201732A (ja) 電源装置及びこれを用いた磁気共鳴イメージング装置
JPH0570460B2 (https=)
JP3685514B2 (ja) 電源装置及びそれを用いた磁気共鳴イメージング装置
JP3591982B2 (ja) 磁気共鳴イメージング装置用電源装置
JP3557009B2 (ja) 電源装置及びそれを用いた磁気共鳴イメージング装置
JP3588169B2 (ja) 磁気共鳴イメージング装置
US6172558B1 (en) Switching amplifier and method for operating same
EP0500618B1 (de) Gradientenerzeugungssystem, kernspintomograph und verfahren zur bilderzeugung mit einem kernspintomographen
JP2983256B2 (ja) Mri装置
DE3336286A1 (de) Geraet zur erzeugung von bildern eines untersuchungsobjektes mit magnetischer kernresonanz
EP0145940A1 (en) Electric circuit for high uniformity magnetic field
WO2020169797A1 (en) Electric power converter with inductively coupled parallel power stacks
JPWO2004103173A1 (ja) 磁気共鳴イメージング装置

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20051101

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20051107

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051228

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060327

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060523

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060822