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MX2017013190A - Metodos y aparato de potencia de bobina magnetica. - Google Patents

Metodos y aparato de potencia de bobina magnetica.

Info

Publication number
MX2017013190A
MX2017013190A MX2017013190A MX2017013190A MX2017013190A MX 2017013190 A MX2017013190 A MX 2017013190A MX 2017013190 A MX2017013190 A MX 2017013190A MX 2017013190 A MX2017013190 A MX 2017013190A MX 2017013190 A MX2017013190 A MX 2017013190A
Authority
MX
Mexico
Prior art keywords
magnetic coil
linear amplifier
coil power
power terminals
power methods
Prior art date
Application number
MX2017013190A
Other languages
English (en)
Other versions
MX378464B (es
Inventor
Gregory L Charvat
M Rothberg Jonathan
christopher jordan Jeremy
J Mileski William
Original Assignee
Hyperfine Res Inc
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 Hyperfine Res Inc filed Critical Hyperfine Res Inc
Publication of MX2017013190A publication Critical patent/MX2017013190A/es
Publication of MX378464B publication Critical patent/MX378464B/es

Links

Classifications

    • 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
    • G01R33/28—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
    • 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
    • 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

Landscapes

  • 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)

Abstract

Un aparato para proporcionar una potencia para operar por lo menos una bobina de gradiente de un sistema de formación de imágenes por resonancia magnética; de acuerdo con algunos aspectos, el aparato comprende una pluralidad de terminales de potencia configuradas para suministrar voltajes diferentes de una primera polaridad, y un amplificador lineal configurado para proporcionar por lo menos una salida para alimentar al menos una bobina de gradiente para producir un campo magnético de acuerdo con una secuencia de impulsos, el amplificador lineal configurado para alimentarse por una o más de la pluralidad de terminales de potencia, en donde la una o más de la pluralidad de terminales de potencia que alimentan el amplificador lineal se seleccionan con base, por lo menos en parte, en por lo menos una salida.
MX2017013190A 2015-04-13 2016-04-13 Mètodos y aparato de potencia de bobina magnètica. MX378464B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562146609P 2015-04-13 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
MX2017013190A true MX2017013190A (es) 2018-05-22
MX378464B MX378464B (es) 2025-03-04

Family

ID=57111600

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017013190A MX378464B (es) 2015-04-13 2016-04-13 Mètodos y aparato de potencia de bobina magnètica.

Country Status (13)

Country Link
US (5) US10281540B2 (es)
EP (2) EP4462222A3 (es)
JP (1) JP6800164B2 (es)
KR (1) KR20180019518A (es)
CN (1) CN107533118B (es)
AU (1) AU2016250077B2 (es)
BR (1) BR112017021999A2 (es)
CA (1) CA2982449A1 (es)
HK (1) HK1251301A1 (es)
IL (1) IL254956A0 (es)
MX (1) MX378464B (es)
TW (1) TWI710782B (es)
WO (1) WO2016168249A1 (es)

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Also Published As

Publication number Publication date
CN107533118A (zh) 2018-01-02
US10222435B2 (en) 2019-03-05
JP6800164B2 (ja) 2020-12-16
TWI710782B (zh) 2020-11-21
JP2018511420A (ja) 2018-04-26
HK1251301A1 (zh) 2019-01-25
EP4462222A3 (en) 2025-01-15
US20190227137A1 (en) 2019-07-25
WO2016168249A1 (en) 2016-10-20
WO2016168249A8 (en) 2016-11-17
HK1248821A1 (zh) 2018-10-19
AU2016250077A1 (en) 2017-11-02
EP4462222A2 (en) 2024-11-13
BR112017021999A2 (pt) 2018-07-10
US20190018094A1 (en) 2019-01-17
CN107533118B (zh) 2021-05-14
EP3283895A4 (en) 2019-05-01
US20160299203A1 (en) 2016-10-13
KR20180019518A (ko) 2018-02-26
CA2982449A1 (en) 2016-10-20
US10295628B2 (en) 2019-05-21
US11041922B2 (en) 2021-06-22
US10989776B2 (en) 2021-04-27
US10281540B2 (en) 2019-05-07
IL254956A0 (en) 2017-12-31
US20190018095A1 (en) 2019-01-17
MX378464B (es) 2025-03-04
TW201640135A (zh) 2016-11-16
US20190227136A1 (en) 2019-07-25
EP3283895A1 (en) 2018-02-21
AU2016250077B2 (en) 2021-04-15

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