ClassID:

172089

G01R33/3657 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance; Details of apparatus provided for in groups  - ; Excitation or detection systems, e.g. using radio frequency signals; Electrical details, e.g. matching or coupling of the coil to the receiver; Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil

Recent Application in this class:
#1
20260036656
2026-02-05

HYBRID COUPLER FOR MAGNETIC RESONANCE IMAGING

#2
20250277880
2025-09-04

RECEIVING DEVICE WITH AN INTRACARDIAC RECEIVING ANTENNA FOR MAGNETIC RESONANCE IMAGING OR SPECTROSCOPY

#3
20250258258
2025-08-14

A TUNABLE RADIO FREQUENCY RECEIVER COIL

#4
20250208242
2025-06-26

RECEIVE COIL UNIT AND MAGNETIC RESONANCE IMAGING APPARATUS

#5
20250116737
2025-04-10

CERAMIC TOROIDAL CABLE TRAP

#6
20250052841
2025-02-13

MAGNETIC RESONANCE IMAGING APPARATUS

#7
20240103107
2024-03-28

BALUN PACKAGE COMPRISING MULTIPLE INDUCTIVE BALUNS FOR AN MRI RF COIL

#8
20230375647
2023-11-23

ENERGY HARVESTING DECOUPLER FOR AN MAGNETIC RESONANCE IMAGING (MRI) SYSTEM

#9
20230375487
2023-11-23

DEVICE FOR CHECKING THE AUTHENTICITY OF A DATA CARRIER HAVING A ZERO-FIELD NMR FEATURE

#10
20230296705
2023-09-21

Pin diode current reduction for MRI transmit coils

#11
20220214412
2022-07-07

Dual Frequency Coil Package for Magnetic Resonance Imaging System Upgrade

#12
20220137164
2022-05-05

Non-resonant magnetic resonance coil and magnetic resonance imaging system using the same

#13
20220074976
2022-03-10

METHODS AND SYSTEMS FOR FAULT DIAGNOSIS

#14
20220050157
2022-02-17

Magnetic resonance measurement apparatus

#15
20210315474
2021-10-14

DECOUPLED COIL ASSEMBLIES, MAGNETIC RESONANCE SYSTEMS AND METHODS OF USE

#16
20210286031
2021-09-16

System and method for using coils in magnetic resonance imaging

#17
20210223337
2021-07-22

Asymmetric birdcage coil

#18
20210141038
2021-05-13

Radio frequency (RF) antenna element with a detuning system

#19
20210132164
2021-05-06

Conforming posterior radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system

#20
20210116521
2021-04-22

Asymmetric birdcage coil for a magnetic resonance imaging (MRI)

#21
20210080525
2021-03-18

Non-resonant magnetic resonance coil and magnetic resonance imaging system using the same

#22
20210003647
2021-01-07

Mononuclear MRI upgrade system and method

#23
20200348380
2020-11-05

Systems for a radio frequency coil for MR imaging

#24
20200341085
2020-10-29

Portable magnetic resonance imaging methods and apparatus

#25
20200264251
2020-08-20

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#26
20200233049
2020-07-23

Low-field magnetic resonance imaging methods and apparatus

#27
20200191889
2020-06-18

Magnetic resonance imaging (MRI) radio frequency (RF) coil tuning, matching, decoupling, and balun circuit

#28
20200158801
2020-05-21

Non-resonant magnetic resonance coil and magnetic resonance imaging system using the same

#29
20200150204
2020-05-14

Low-field magnetic resonance imaging methods and apparatus

#30
20200088817
2020-03-19

Portable magnetic resonance imaging methods and apparatus

#31
20200081084
2020-03-12

Low-field magnetic resonance imaging methods and apparatus

#32
20200064427
2020-02-27

Low-field magnetic resonance imaging methods and apparatus

#33
20190377041
2019-12-12

Radio frequency head coil for a magnetic resonance imaging system and methods thereof

#34
20190377039
2019-12-12

Asymmetric birdcage coil for a magnetic resonance imaging (MRI)

#35
20190353724
2019-11-21

MAGNETIC RESONANCE ANTENNA COMPATIBLE WITH CHARGED PARTICLE ACCELERATOR SYSTEMS

#36
20190353722
2019-11-21

Systems for a radio frequency coil for MR imaging

#37
20190310328
2019-10-10

Conforming posterior radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system

#38
20190302206
2019-10-03

Microstrip transmission line array RF coil, RF shield configuration and integrated apparatus of RF coil and radiation imaging device

#39
20190277927
2019-09-12

Radio frequency head coil for a magnetic resonance imaging system and methods thereof

#40
20190265317
2019-08-29

Wireless magnetic resonance energy harvesting and coil detuning

#41
20190257903
2019-08-22

Low power magnetic resonance imaging methods and apparatus

#42
20190242959
2019-08-08

Method and device for loops-over-loops MRI coils

#43
20190235034
2019-08-01

Local coil for magnetic resonance tomography system

#44
20190178963
2019-06-13

Low-field magnetic resonance imaging methods and apparatus

#45
20190178962
2019-06-13

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#46
20190154775
2019-05-23

Flexible radio frequency coil array with detachable straps for MR imaging

#47
20190154774
2019-05-23

Radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system for use in interventional and surgical procedures

#48
20190154773
2019-05-23

RF coil array for an MRI system

#49
20190049534
2019-02-14

Methods and systems for fault diagnosis

#50
20190041476
2019-02-07

Radio frequency coil, magnetic resonance imaging device using same, and method for adjusting multi-channel radio frequency coil

#51
20190018096
2019-01-17

Portable magnetic resonance imaging methods and apparatus

#52
20190011514
2019-01-10

Low-field magnetic resonance imaging methods and apparatus

#53
20190011513
2019-01-10

Low-field magnetic resonance imaging methods and apparatus

#54
20190004130
2019-01-03

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#55
20180340992
2018-11-29

System and method for using coils in magnetic resonance imaging

#56
20180335491
2018-11-22

Flexible coaxial magnetic resonance imaging (MRI) coil with integrated decoupling

#57
20180329011
2018-11-15

Magnetic resonance imaging apparatus and abnormality detection method

#58
20180329005
2018-11-15

Receive coil arrangement and method for use thereof

#59
20180329003
2018-11-15

Apparatus and method for detecting antenna coils

#60
20180321339
2018-11-08

Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection

#61
20180313918
2018-11-01

Single layer magnetic resonance imaging (MRI) transmit/receive (TX/RX) radio frequency (RF) coil with integrated shimming

#62
20180284203
2018-10-04

Tuning/detuning circuit and detuning method for an RF coil

#63
20180263561
2018-09-20

Garment MRI antenna array

#64
20180252783
2018-09-06

Dual tuned MRI resonator and coil package and method

#65
20180238981
2018-08-23

Low-field magnetic resonance imaging methods and apparatus

#66
20180238980
2018-08-23

Low-field magnetic resonance imaging methods and apparatus

#67
20180210047
2018-07-26

Low power magnetic resonance imaging methods and apparatus

#68
20180203083
2018-07-19

System and method for simultaneous radio frequency transmission and reception in magnetic resonance imaging

#69
20180168527
2018-06-21

Portable magnetic resonance imaging methods and apparatus

#70
20180164390
2018-06-14

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#71
20180156881
2018-06-07

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#72
20180156878
2018-06-07

Method for the magnetic resonance examination of a measurement object and to a radio-frequency unit of a magnetic resonance imaging scanner

#73
20180149719
2018-05-31

Circuits for magnetic resonance imaging systems for integrated parallel reception, excitation, and shimming

#74
20180143280
2018-05-24

Low-field magnetic resonance imaging methods and apparatus

#75
20180143274
2018-05-24

Low-field magnetic resonance imaging methods and apparatus

#76
20180095149
2018-04-05

Magnetic resonance imaging system radio frequency subsystem and coil decoupling apparatus and methods used therein

#77
20180081008
2018-03-22

Modulating magnetic resonance imaging transmit field in magnetic resonance fingerprinting using single layer transmit/receive radio frequency coil

#78
20180081007
2018-03-22

SYSTEMS AND METHODS FOR DISCONNECTING AN MRI RF COIL

#79
20180081006
2018-03-22

Systems and methods for disconnecting an MRI RF coil

#80
20180081005
2018-03-22

Single layer magnetic resonance imaging transmit/receive radio frequency coil

#81
20180074140
2018-03-15

Magnetic resonance imaging (MRI) coil with pin diode decoupling circuit

#82
20180038925
2018-02-08

High-frequency interface circuit, high-frequency system and magnet resonance apparatus with a high-frequency interface circuit

#83
20170371014
2017-12-28

MRI device with plasma conductor

#84
20170322268
2017-11-09

Light data communication link device for use in magnetic resonance examination systems

#85
20170269176
2017-09-21

Magnetic resonance imaging system with infrared thermometry sensors

#86
20170254865
2017-09-07

A MAGNETIC RESONANCE APPARATUS COMPRISING A PLASMA ANTENNA

#87
20170254864
2017-09-07

High frequency coil and magnetic resonance image pickup device

#88
20170234949
2017-08-17

Method and apparatus for filtering magnetic field induced in coil of MRI system

#89
20170205481
2017-07-20

Magnetic resonance imaging apparatus and method for detecting error of magnetic resonance imaging apparatus

#90
20170176551
2017-06-22

Receive coils with low-loss detune circuits for magnetic resonance (MR) systems and method of operation thereof

#91
20170160367
2017-06-08

Signal transmitter for pilot tone navigation

#92
20170160356
2017-06-08

MR receive coil with detune circuit and energy harvesting circuit

#93
20170153305
2017-06-01

SWITCHING APPARATUS, MAGNETIC RESONANCE IMAGING APPARATUS INCLUDING THE SAME, AND METHOD FOR CONTROLLING THE MAGNETIC RESONANCE IMAGING APPARATUS

#94
20170139021
2017-05-18

Magnetic resonance signal processing method, magnetic resonance signal processing apparatus and magnetic resonance apparatus, and program

#95
20170123024
2017-05-04

Body coil and magnetic resonance imaging system

#96
20170074956
2017-03-16

System and method for low-field, multi-channel imaging

#97
20160341804
2016-11-24

Apparatus and method for decoupling an MRI receive coil

#98
20160320465
2016-11-03

Detuning a MRT receive antenna

#99
20160259020
2016-09-08

Magnetic resonance imaging apparatus and coil device

#100
20160245884
2016-08-25

MR coil

#101
20160216345
2016-07-28

High-frequency coil for magnetic resonance imaging

#102
20160209481
2016-07-21

Transmit/receive switch, a transmit coil array and a receive coil array for MRI

#103
20160097829
2016-04-07

Single coaxial interface for magnetic resonace (MR) coils

#104
20160069804
2016-03-10

System and method for detection of materials using orbital angular momentum signatures

#105
20160047869
2016-02-18

Wireless actuator circuit for wireless actuation of micro electromechanical system switch for magnetic resonance imaging

#106
20160033595
2016-02-04

Decoupling inductor assembly, radio frequency receiving coil and magnetic resonance imaging apparatus

#107
20160033594
2016-02-04

Magnetic resonance imaging (MRI) coil with integrated decoupling

#108
20160033406
2016-02-04

System and method using OAM spectroscopy leveraging fractional orbital angular momentum as signature to detect materials

#109
20160025798
2016-01-28

RF coil storage device with magnetic field generator and RF coil device

#110
20150323624
2015-11-12

Device and method for loops-over-loops MRI coils

#111
20150323623
2015-11-12

Decoupling of parallel transmission arrays in magnetic resonance imaging

#112
20150323622
2015-11-12

Parallel plate transmission line for broadband nuclear magnetic resonance imaging

#113
20150253394
2015-09-10

Magnetic resonance imaging apparatus and radio frequency coil

#114
20150241528
2015-08-27

Transmitting and/or receiving MRI signals for a MRI examination

#115
20150234020
2015-08-20

Adaptive pin diode drive circuit with minimized power loss

#116
20150185299
2015-07-02

Crossed-loop resonators

#117
20150177344
2015-06-25

Magnetic resonance imaging systems for integrated parallel reception, excitation and shimming and related methods and devices

#118
20150177342
2015-06-25

Feeding circuit arrangement for supplying a radio frequency signal to a plurality of coil elements of a magnetic resonance coil system

#119
20150091576
2015-04-02

Magnetic resonance imaging system and coil control device thereof

#120
20150028873
2015-01-29

Magnetic resonance imaging device and RF coil

#121
20140327438
2014-11-06

Dynamic field camera arrangement for magnetic resonance applications and methods for operating the same

#122
20140312902
2014-10-23

Local coil

#123
20140300360
2014-10-09

Multi-channel coil array for parallel magnetic resonance imaging

#124
20140247050
2014-09-04

Radio frequency coil and magnetic resonance imaging apparatus

#125
20140239953
2014-08-28

High frequency multiple-channel antenna, particularly for a nuclear magnetic resonance imaging device

#126
20140183340
2014-07-03

Optically controlled MEMS switch and method of using the same

#127
20140139221
2014-05-22

Electrical circuit in the magnetic field of an MR apparatus

#128
20140070808
2014-03-13

FET switch as detune circuit for MRI RF coils

#129
20140002084
2014-01-02

Magnetic resonance imaging systems for parallel transmit, receive and shim and methods of use thereof

#130
20130314091
2013-11-28

RF coil and magnetic resonance imaging device

#131
20130307535
2013-11-21

Neck coil arrangements for magnetic resonance imaging

#132
20130271135
2013-10-17

Magnetic resonance apparatus and data acquisition method with decoupling between transmit and receive coils

#133
20130249560
2013-09-26

Magnetic resonance imaging apparatus

#134
20130249558
2013-09-26

Electronic interface for NMR receiver resonators

#135
20130241556
2013-09-19

Detuning apparatus for a receive coil for a magnetic resonance device including a number of coil elements

#136
20130234715
2013-09-12

Magnetic resonance imaging apparatus

#137
20130221968
2013-08-29

Antenna device and magnetic resonance imaging device for suppressing absorption rate of irradiated waves

#138
20130207660
2013-08-15

RF ANTENNA ARRANGEMENT FOR MRI COMPRISING A TRAP CIRCUIT

#139
20130172729
2013-07-04

Active adaptive detuning systems and methods for interventional devices

#140
20130137969
2013-05-30

Garment MRI antenna array

#141
20130119991
2013-05-16

High-frequency coil and magnetic resonance imaging device employing same

#142
20130113484
2013-05-09

Apparatus for automatically testing and tuning radio frequency coil

#143
20130069644
2013-03-21

Method of controlling an MRI system and an apparatus therefor

#144
20120306497
2012-12-06

RF reception coil and magnetic resonance imaging apparatus using same

#145
20120306496
2012-12-06

HIGH-FREQUENCY ANTENNA

#146
20120268132
2012-10-25

Magnetic resonance signal detection using remotely positioned receive coils

#147
20120268116
2012-10-25

Magnetic resonance signal detection using remotely positioned receive coils

#148
20120262173
2012-10-18

High-frequency coil unit and magnetic resonance imaging device

#149
20120249261
2012-10-04

Systems and methods for enhancing reliability of MEMS devices

#150
20120191383
2012-07-26

Method and system for acquiring and analyzing coil data

#151
20120176135
2012-07-12

Optically controlled MEMS switch and method of using the same

#152
20120098542
2012-04-26

Detunable RF reception antenna device

#153
20120086451
2012-04-12

Magnetic resonance antenna and a magnetic resonance device having a magnetic resonance antenna

#154
20120081115
2012-04-05

Using memristor devices as switches for MRI RF coils

#155
20120038361
2012-02-16

Receiver coil to measure X-nuclei signals and magnetic resonance apparatus with such a receiver coil

#156
20110210731
2011-09-01

Multicoil low-field nuclear magnetic resonance detection and imaging apparatus and method

#157
20110181281
2011-07-28

Equipment for inspecting explosives and/or illicit drugs, antenna coil and method for inspecting explosives and/or illicit drugs

#158
20110169489
2011-07-14

RF COIL DOCKING STATION FOR MAGNETIC RESONANCE SYSTEMS

#159
20110140699
2011-06-16

System and method for coil disabling in magnetic resonance imaging

#160
20110121834
2011-05-26

High-frequency coil and magnetic resonance imaging device

#161
20110095758
2011-04-28

Multicoil low-field nuclear magnetic resonance detection and imaging apparatus and method

#162
20110074425
2011-03-31

Apparatus for feeding a magnetic resonance coil element and method of making same

#163
20110068792
2011-03-24

System and method for magnetic resonance coil actuation

#164
20110037471
2011-02-17

Magnetic resonance imaging apparatus

#165
20110012810
2011-01-20

Detunable waveguide antenna assembly

#166
20100277175
2010-11-04

TUNABLE AND/OR DETUNABLE MR RECEIVE COIL ARRANGEMENTS

#167
20100207632
2010-08-19

RECEIVER FOR MAGNETIC RESONANCE SIGNALS AND METHOD FOR RECEIVING THE MAGNETIC RESONANCE SIGNALS

#168
20100182010
2010-07-22

MRI body coil connected to a frangible retention frame circuit board assembly and method for attaching an electronic module to a body coil of a magnetic resonance apparatus

#169
20100166279
2010-07-01

Transmitter/receiver antenna for MR with improved decoupling between antenna elements

#170
20100157859
2010-06-24

Remotely fed module

#171
20100156423
2010-06-24

Signal transmitting and receiving circuit, a NMR probe, and a nuclear magnetic resonance equipment

#172
20100079139
2010-04-01

Circuit and apparatus for decoupling RF surface coils

#173
20100066371
2010-03-18

Intrabody MRI stacked flat loop antennas and related systems

#174
20100060283
2010-03-11

Detuning a radio-frequency coil

#175
20100039113
2010-02-18

Detuning circuit and detuning method for an MRI system

#176
20100033177
2010-02-11

Inspection apparatus using magnetic resonance and nuclear magnetic resonance signal receiver coil

#177
20090315784
2009-12-24

Antenna structure for a magnetic resonance device

#178
20090302846
2009-12-10

RF-switched superconducting resonators and methods of switching thereof

#179
20090278537
2009-11-12

RADIO-FREQUENCY SURFACE COILS COMPRISING ON-BOARD DIGITAL RECEIVER CIRCUIT

#180
20090267606
2009-10-29

Birdcage-like transmitting antenna for MRI

#181
20090256564
2009-10-15

Magnetic resonance radio frequency system and operating method therefor

#182
20090224758
2009-09-10

NMR probe with magnetic field irradiating coil and NMR signal receiving coil

#183
20090219025
2009-09-03

Coil and MRI system

#184
20090219024
2009-09-03

Magnetic resonance system having a superconducting whole-body receiving arrangement

#185
20090206840
2009-08-20

MAGNETIC RESONANCE RECEIVE COIL ARRAY INTEGRATED INTO WALL OF SCANNER BORE

#186
20090174408
2009-07-09

Receiving device for a magnetic resonance imaging system

#187
20090160441
2009-06-25

Magnetic resonance imaging apparatus

#188
20090096447
2009-04-16

Electric potential sensor for use in the detection of nuclear magnetic resonance signals

#189
20090021256
2009-01-22

High frequency coil and magnetic resonance imaging apparatus

#190
20080309342
2008-12-18

Magnetic resonance local coil arrangement and method for communicating an overload occurrence

#191
20080278167
2008-11-13

RF COIL FOR IMAGING SYSTEM

#192
20080208039
2008-08-28

System and method of performing therapeutic endovascular interventions

#193
20080208031
2008-08-28

Voltage standing wave suppression for MR-guided therapeutic interventions

#194
20080191699
2008-08-14

RF traps for radio frequency coils used in MRI

#195
20080143332
2008-06-19

Magnetic resonance system with coupling between a base unit and a local coil at the patient bed

#196
20080136418
2008-06-12

Magnetic resonance system with an RF shield having feedthroughs for antenna feed lines and RF circuitry cooled by the gradient coil cooling system

#197
20080129291
2008-06-05

Method for reducing the coupling during reception between excitation and receive coils of a nuclear quadrupole resonance detection system

#198
20080106264
2008-05-08

Magnetic resonance system with reception antenna device

#199
20080061786
2008-03-13

Probe configured for NMR apparatus and NMR apparatus using the same

#200
20070290688
2007-12-20

RF COIL FOR IMAGING SYSTEM

#201
20070285096
2007-12-13

Double-tuned RF coil

#202
20070273379
2007-11-29

Nuclear magnetic resonance probe coil

#203
20070268018
2007-11-22

Circuit arrangement for detuning a resonant circuit of an MR apparatus

#204
20070262777
2007-11-15

Magnetic resonance receive coils with compact inductive components

#205
20070247160
2007-10-25

RF COIL FOR IMAGING SYSTEM

#206
20070247158
2007-10-25

Cylindrical magnetic resonance antenna

#207
20070238978
2007-10-11

Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies

#208
20070236219
2007-10-11

Radio-frequency antenna arrangement for acquisition of a magnetic resonance signal

#209
20070167725
2007-07-19

Systems, methods and apparatus for an endo-rectal receive-only probe

#210
20070132453
2007-06-14

RF shielding method, MRI apparatus, and transmitting/receiving surface coil

#211
20070106148
2007-05-10

Electronic circuits to improve the sensitivity of magnetic resonance tracking catheters and intraluminal RF coils

#212
20070040553
2007-02-22

Spectral-scanning magnetic resonance imaging

#213
20070007964
2007-01-11

RF coil for imaging system

#214
20060279283
2006-12-14

Magnetic resonance system with suppression of capacitive coupling between an RF source and the subject

#215
20060238198
2006-10-26

Switching device compatible with RF coil and magnetic resonance imaging system

#216
20060173284
2006-08-03

Radiofrequency coil and catheter for surface nmr imaging and spectroscopy

#217
20060164089
2006-07-27

Magnetic resonance imaging receive circuit

#218
20060119357
2006-06-08

Method for reducing the coupling between excitation and receive coils of a nuclear quadrupole resonance detection system

#219
20060038568
2006-02-23

Reception unit for a magnetic resonance tomography apparatus

#220
20060033501
2006-02-16

RF coil for imaging system

#221
20050162165
2005-07-28

Magnetic resonance apparatus with a detunable RF resonator

#222
20050134277
2005-06-23

Modular cascaded detuning circuit for antennas in MRI apparatuses

#223
20050134265
2005-06-23

Method and apparatus for driver circuits for use in magnetic systems

#224
20050127914
2005-06-16

Magnetic resonance antenna

#225
20050043612
2005-02-24

Multipurpose connection/reception device for nuclear magnetic resonance imager

#226
20050030032
2005-02-10

Cryogenically cooled phased array RF receiver coil for magnetic resonance imaging