CN107533118B - 磁线圈供电方法和装置 - Google Patents

磁线圈供电方法和装置 Download PDF

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Publication number
CN107533118B
CN107533118B CN201680026593.6A CN201680026593A CN107533118B CN 107533118 B CN107533118 B CN 107533118B CN 201680026593 A CN201680026593 A CN 201680026593A CN 107533118 B CN107533118 B CN 107533118B
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China
Prior art keywords
power
voltage
gradient coil
power supply
gradient
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Expired - Fee Related
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CN201680026593.6A
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English (en)
Chinese (zh)
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CN107533118A (zh
Inventor
威廉姆·J·米莱斯基
格雷戈里·L·哈尔瓦特
乔纳森·M·罗思伯格
杰里米·克里斯托弗·乔丹
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Hepperfina Co ltd
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Hyperfine Research Inc
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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
    • G01R33/38—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
    • 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
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46—NMR spectroscopy
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/461—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using an operational amplifier as final control device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • 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
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680026593.6A 2015-04-13 2016-04-13 磁线圈供电方法和装置 Expired - Fee Related CN107533118B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562146609P 2015-04-13 2015-04-13
US62/146,609 2015-04-13
PCT/US2016/027215 WO2016168249A1 (en) 2015-04-13 2016-04-13 Magnetic coil power methods and apparatus

Publications (2)

Publication Number Publication Date
CN107533118A CN107533118A (zh) 2018-01-02
CN107533118B true CN107533118B (zh) 2021-05-14

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US (5) US10281540B2 (https=)
EP (2) EP3283895A4 (https=)
JP (1) JP6800164B2 (https=)
KR (1) KR20180019518A (https=)
CN (1) CN107533118B (https=)
AU (1) AU2016250077B2 (https=)
BR (1) BR112017021999A2 (https=)
CA (1) CA2982449A1 (https=)
HK (1) HK1251301A1 (https=)
IL (1) IL254956A0 (https=)
MX (1) MX378464B (https=)
TW (1) TWI710782B (https=)
WO (1) WO2016168249A1 (https=)

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KR102258269B1 (ko) * 2019-03-07 2021-05-31 주식회사 지에스인스텍 자기공명영상장치의 무선주파수 전력증폭장치
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AU2016250077B2 (en) 2021-04-15
EP4462222A2 (en) 2024-11-13
US10295628B2 (en) 2019-05-21
EP4462222A3 (en) 2025-01-15
US11041922B2 (en) 2021-06-22
US20190227136A1 (en) 2019-07-25
AU2016250077A1 (en) 2017-11-02
CN107533118A (zh) 2018-01-02
EP3283895A4 (en) 2019-05-01
MX2017013190A (es) 2018-05-22
HK1251301A1 (zh) 2019-01-25
TW201640135A (zh) 2016-11-16
EP3283895A1 (en) 2018-02-21
US20160299203A1 (en) 2016-10-13
HK1248821A1 (zh) 2018-10-19
BR112017021999A2 (pt) 2018-07-10
US10222435B2 (en) 2019-03-05
IL254956A0 (en) 2017-12-31
JP6800164B2 (ja) 2020-12-16
US10281540B2 (en) 2019-05-07
US20190018094A1 (en) 2019-01-17
US10989776B2 (en) 2021-04-27
US20190227137A1 (en) 2019-07-25
JP2018511420A (ja) 2018-04-26
US20190018095A1 (en) 2019-01-17
WO2016168249A1 (en) 2016-10-20
KR20180019518A (ko) 2018-02-26
MX378464B (es) 2025-03-04
CA2982449A1 (en) 2016-10-20
TWI710782B (zh) 2020-11-21
WO2016168249A8 (en) 2016-11-17

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