ClassID:

172088

G01R33/365 - 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 have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array

Recent Application in this class:
#1
20250093446
2025-03-20

METHODS AND APPARATUS FOR MOBILE MRI EMPLOYING A PERMANENT MAGNET

#2
20250067824
2025-02-27

MULTI-ROW MAGNETIC RESONANCE IMAGING (MRI) RADIO FREQUENCY (RF) COIL WITH A DECOUPLING RING

#3
20250040827
2025-02-06

MULTICHANNEL ENDORECTAL COIL FOR PROSTATE MRI, SYSTEM, AND WORKING METHOD

#4
20240369658
2024-11-07

RADIO FREQUENCY COIL ARRAY FOR USE IN A COMBINED LINEAR ACCELERATOR AND MAGNETIC RESONANCE IMAGING SYSTEM (LINAC-MR/MR-LINAC) AND A LINAC-MR/MR-LINAC INCORPORATING THE SAME

#5
20240063924
2024-02-22

RADIO FREQUENCY (RF) RECEIVER SYSTEM WITH ACTIVE DECOUPLING

#6
20230141671
2023-05-11

Receiving surface coil for nuclear magnetic resonance measurements

#7
20230121039
2023-04-20

Decoupled MRI coils through coil matching

#8
20230110217
2023-04-13

RADIO FREQUENCY RECEPTION COIL NETWORKS FOR SINGLE-SIDED MAGNETIC RESONANCE IMAGING

#9
20230094917
2023-03-30

Coil decoupling for magnetic resonance imaging

#10
20220206092
2022-06-30

Slotted waveguide array RF coil for magnetic resonance systems

#11
20220179018
2022-06-09

Nuclear magnetic resonance coil array and decoupling method thereof, and nuclear magnetic resonance detection device

#12
20220091203
2022-03-24

Gapped multi-birdcage MRI RF coil

#13
20220026510
2022-01-27

Eigenmode transmit array coil for magnetic resonance imaging

#14
20210318398
2021-10-14

Multi-row array RF coil with minimized couplings using birdcage coils

#15
20210302516
2021-09-30

Local coil with detuning function

#16
20210190889
2021-06-24

Self-decoupled RF coil array for MRI

#17
20200292647
2020-09-17

Slotted waveguide array RF coil for magnetic resonance systems

#18
20200292643
2020-09-17

Minimizing coupling in multi-row cylindrical-shaped magnetic resonance imaging (MRI) radio frequency (RF) coil

#19
20200271739
2020-08-27

RADIO FREQUENCY COIL UNIT FOR MAGNETIC RESONANCE IMAGING AND RADIO FREQUENCY COIL

#20
20200241089
2020-07-30

Radio frequency coil

#21
20190339344
2019-11-07

Magnetic resonance scanner and local coil matrix for operation at low magnetic field strengths

#22
20190277929
2019-09-12

Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof

#23
20190257897
2019-08-22

Multi-turn magnetic resonance imaging (MRI) array coil with ring decoupling for improved coil isolation

#24
20190250228
2019-08-15

Rotatable magnet methods and apparatus for a magnetic resonance imaging system

#25
20190250227
2019-08-15

Rotatable magnet methods and apparatus for a magnetic resonance imaging system

#26
20190219648
2019-07-18

ELASTIC RADIO FREQUENCY COIL

#27
20190154775
2019-05-23

Flexible radio frequency coil array with detachable straps for MR imaging

#28
20190154774
2019-05-23

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

#29
20190128977
2019-05-02

Method and system for magnetic resonance imaging

#30
20190072626
2019-03-07

Array coil

#31
20190056466
2019-02-21

Foldable coil array

#32
20190041476
2019-02-07

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

#33
20190033402
2019-01-31

Rotatable magnet methods and apparatus for a magnetic resonance imaging system

#34
20190025389
2019-01-24

Rotatable magnet methods and apparatus for a magnetic resonance imaging system

#35
20190018090
2019-01-17

Antenna array, in particular for magnetic resonance imaging, comprising linear electromagnetic resonators and at least one decoupling device

#36
20180372823
2018-12-27

Device having inert gas nucleus channel and method for magnetic resonance imaging using the same

#37
20180364319
2018-12-20

Radio frequency coil-array for magnetic resonance examination system

#38
20180364318
2018-12-20

Decoupling magnetic resonance imaging (MRI) radio frequency (RF) coil elements with high acceleration factor in parallel transmit (pTx) or receive (Rx) coils using fewer channels

#39
20180329005
2018-11-15

Receive coil arrangement and method for use thereof

#40
20180238978
2018-08-23

Rotatable magnet methods and apparatus for a magnetic resonance imaging system

#41
20180238977
2018-08-23

Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof

#42
20180180690
2018-06-28

High frequency coil and magnetic resonance imaging device

#43
20180095149
2018-04-05

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

#44
20180074140
2018-03-15

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

#45
20180006352
2018-01-04

Differential Directional Coupler, Signal Conversion System and Method for Converting a Differential Input Signal

#46
20170343697
2017-11-30

Arrays of receive antennas for magnetic resonance measurements

#47
20170307704
2017-10-26

Z-SEGMENTED RF COIL FOR MRI WITH GAP AND RF SCREEN ELEMENT

#48
20170261571
2017-09-14

System and method for magnetic resonance image acquisition

#49
20170254865
2017-09-07

A MAGNETIC RESONANCE APPARATUS COMPRISING A PLASMA ANTENNA

#50
20170254864
2017-09-07

High frequency coil and magnetic resonance image pickup device

#51
20170108562
2017-04-20

RF SURFACE COIL UNIT AND MAGNETIC RESONANCE IMAGING SYSTEM COMPRISING SAME

#52
20170074956
2017-03-16

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

#53
20170016969
2017-01-19

Body coil having a pre-amplification unit configured to provide a detuning effect

#54
20160320464
2016-11-03

Radiofrequency coil and radiofrequency coil assembly having the same

#55
20160131725
2016-05-12

Multi-channel endorectal coils and interface devices therefor

#56
20160033598
2016-02-04

Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality

#57
20160022142
2016-01-28

Coil systems for magnetic resonance imaging

#58
20150355297
2015-12-10

SYSTEM AND METHOD FOR DECOUPLING MAGENTIC RESONANCE IMAGING RADIO FREQUENCY COILS WITH A MODULAR MAGNETIC WALL

#59
20150346295
2015-12-03

Automated decoupling of RF receive coil elements

#60
20150323623
2015-11-12

Decoupling of parallel transmission arrays in magnetic resonance imaging

#61
20150276897
2015-10-01

Radio frequency (RF) birdcage coil with separately controlled ring members and rungs for use in a magnetic resonance (MR) imaging system

#62
20150212170
2015-07-30

Decoupling device, radio frequency coil and magnetic resonance imaging apparatus

#63
20150168512
2015-06-18

Radio frequency coil structure and assembly, and MRI apparatus using the same

#64
20150123660
2015-05-07

Auto-tune- and-match coils for human whole-body imaging and method

#65
20150028870
2015-01-29

Two-channel magnetic resonance imaging

#66
20150022208
2015-01-22

Use of a plurality of TX coils

#67
20140333305
2014-11-13

Multiple channel nuclear magnetic resonance coil

#68
20140327442
2014-11-06

Debugging device for a body coil of a magnetic resonance imaging system

#69
20140320131
2014-10-30

NMR RF probe coil exhibiting double resonance

#70
20140292337
2014-10-02

Decoupling of parallel transmission arrays in magnetic resonance imaging

#71
20140253126
2014-09-11

Magnetic resonance imaging apparatus and antenna device

#72
20140239953
2014-08-28

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

#73
20140228672
2014-08-14

Mode splitter/combiner for noise figure minimization and control of power in RF coil arrays

#74
20140167758
2014-06-19

Multi-channel endorectal coils and interface devices therefor

#75
20140152309
2014-06-05

Methods of preparing and operating an MRI multi-channel coil

#76
20140139218
2014-05-22

Magnetic resonance imaging system with a multi-channel impedance matching network

#77
20140091801
2014-04-03

Decoupling of split ring resonators in magnetic resonance tomography

#78
20140057792
2014-02-27

NMR RF probe coil exhibiting double resonance

#79
20140043029
2014-02-13

Activation of transmit/receive arrays for decoupling during transmission

#80
20140002085
2014-01-02

Automatic detuning of non-connected transceiver coils for MRI

#81
20130314091
2013-11-28

RF coil and magnetic resonance imaging device

#82
20130271144
2013-10-17

Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof

#83
20130271143
2013-10-17

Reduction of coupling effects between coil elements of a magnetic resonance coil arrangement

#84
20130127463
2013-05-23

Magnetic resonance antenna arrangement and magnetic resonance system

#85
20130119991
2013-05-16

High-frequency coil and magnetic resonance imaging device employing same

#86
20130113485
2013-05-09

Stacked coil for magnetic resonance imaging

#87
20130093425
2013-04-18

Radio frequency (RF) coil array for a magnetic resonance imaging system

#88
20130063147
2013-03-14

Decoupling of multiple channels of an MRI RF coil array

#89
20130015858
2013-01-17

Linear resonator of a high-frequency antenna for a nuclear magnetic resonance imaging apparatus

#90
20130009644
2013-01-10

RF coil unit and MRI apparatus

#91
20120319687
2012-12-20

System and method for receiving magnetic resonance (MR) signals with an FET electrically between preamplifier terminals

#92
20120306499
2012-12-06

Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality

#93
20120286921
2012-11-15

RF COIL ASSEMBLY FOR MAGNETIC RESONANCE APPARATUS

#94
20120286786
2012-11-15

Phased array MR RF coil which is not visible in X-ray image

#95
20120280687
2012-11-08

Magnetic resonance device including an antenna arrangement

#96
20120268133
2012-10-25

Modular multi-channel coil array for an MRI having decoupling of next but one neighbors

#97
20120249147
2012-10-04

RF antenna for MRI with a removable conductor

#98
20120223714
2012-09-06

Local coil

#99
20120223706
2012-09-06

Method and apparatus for generating an effective equivalent of simultaneous transmission to a targeted tissue using a conventional transceiver array

#100
20120112748
2012-05-10

Transceiver apparatus, system and methodology for superior In-Vivo imaging of human anatomy

#101
20120074935
2012-03-29

MRI coil design with volumetric trough-shaped coil elements

#102
20120068709
2012-03-22

Coil arrangement for use in a magnetic resonance imaging system

#103
20120062232
2012-03-15

Transmit coil arrangement for a magnetic resonance device and magnetic resonance device

#104
20120032678
2012-02-09

Method and coils for human whole-body imaging at 7 T

#105
20120025832
2012-02-02

Modular MRI phased array antenna

#106
20120025830
2012-02-02

Magnetic resonance tomography local coil

#107
20120001715
2012-01-05

Transformer assembly for a magnetic resonance imaging system

#108
20110312499
2011-12-22

Coil element decoupling for MRI

#109
20110304422
2011-12-15

Transformer assembly for a magnetic resonance imaging system

#110
20110291655
2011-12-01

Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality

#111
20110248712
2011-10-13

System and method providing preamplifier feedback for magnetic resonance imaging

#112
20110210731
2011-09-01

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

#113
20110166437
2011-07-07

Magnetic resonance imaging system

#114
20110163751
2011-07-07

Transceive surface coil array for magnetic resonance imaging and spectroscopy

#115
20110148415
2011-06-23

Apparatus and method for decoupling MR coils

#116
20110140699
2011-06-16

System and method for coil disabling in magnetic resonance imaging

#117
20110121834
2011-05-26

High-frequency coil and magnetic resonance imaging device

#118
20110095758
2011-04-28

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

#119
20110074425
2011-03-31

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

#120
20110074415
2011-03-31

Apparatus for tuning magnetic resonance coil elements and method of making same

#121
20110043209
2011-02-24

Coil decoupling for an RF coil array

#122
20110012810
2011-01-20

Detunable waveguide antenna assembly

#123
20100321020
2010-12-23

Bandwidth expansion in magnetic resonance

#124
20100308934
2010-12-09

Invisible balun and method of making same

#125
20100301862
2010-12-02

Dual-frequency coil array for a magnetic resonance imaging (MRI) system

#126
20100280361
2010-11-04

Apparatus and method for cryogenically cooling a coil on a magnetic resonance imaging system

#127
20100277168
2010-11-04

MULTI-CHANNEL TEM COILS WITH AUXILIARY DECOUPLING ELEMENTS

#128
20100265020
2010-10-21

Radio frequency (RF) coil array with double asymmetric saddle coil pairs

#129
20100182009
2010-07-22

Coil decoupling

#130
20100181998
2010-07-22

Sensor coil array for magnetic inductance tomography with reduced mutual coil coupling

#131
20100166279
2010-07-01

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

#132
20100164492
2010-07-01

Shielded multix coil array for parallel high field MRI

#133
20100066368
2010-03-18

Dedicated superconductor MRI imaging system

#134
20100066367
2010-03-18

Integrated superconductor MRI imaging system

#135
20100033177
2010-02-11

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

#136
20090315784
2009-12-24

Antenna structure for a magnetic resonance device

#137
20090302841
2009-12-10

Surface coil arrays for simultaneous reception and transmission with a volume coil and uses thereof

#138
20090289630
2009-11-26

Inductive decoupling of a RF coil array

#139
20090273347
2009-11-05

Tiled receiver coil array with improved spatial coverage

#140
20090267600
2009-10-29

Array coil and magnetic resonance imaging apparatus

#141
20090261828
2009-10-22

Coil assembly and multiple coil arrangement for magnetic resonance imaging

#142
20090243612
2009-10-01

Volume coil for MRI system

#143
20090237077
2009-09-24

Multi-channel RF coil system with multi-channel RF coil transceiver detecting more than one frequency at the same time for magnetic resonance imaging systems and methods

#144
20090230965
2009-09-17

Coil decoupling in magnetic resonance imaging

#145
20090224763
2009-09-10

METHOD AND APPARATUS FOR LOSSLESS OR LOW LOSS COUPLING FOR MANY CHANNEL RF COIL ARRAYS

#146
20090224758
2009-09-10

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

#147
20090212774
2009-08-27

Antenna arrangement for a magnetic resonance apparatus

#148
20090160441
2009-06-25

Magnetic resonance imaging apparatus

#149
20090134965
2009-05-28

EFFICIENT METHODOLOGY FOR THE DECOUPLING FOR MULTI-LOOP RF COIL GEOMETRIES FOR MAGNETIC RESONANCE IMAGING

#150
20090102484
2009-04-23

Bandwidth expansion in magnetic resonance

#151
20090082663
2009-03-26

Horizontal field MRI shoulder coil

#152
20090079432
2009-03-26

TRANSCEIVE SURFACE COIL ARRAY FOR MAGNETIC RESONANCE IMAGING AND SPECTROSCOPY

#153
20090076377
2009-03-19

Simple decoupling of a multi-element RF coil, enabling also detuning and matching functionality

#154
20090067697
2009-03-12

System and apparatus for receiving magnetic resonance (MR) signals from an imaging subject

#155
20090054759
2009-02-26

Inherently decoupled solenoid pair elements

#156
20090021256
2009-01-22

High frequency coil and magnetic resonance imaging apparatus

#157
20090021255
2009-01-22

Apparatus and method for cryogenically cooling a coil on a magnetic resonance imaging system

#158
20090012388
2009-01-08

INTERVENTIONAL DEVICE

#159
20090009414
2009-01-08

ANTENNA ARRAY

#160
20080275333
2008-11-06

Local MRI breast coil and method of use

#161
20080272787
2008-11-06

System and method for multi-channel MR transmission

#162
20080258731
2008-10-23

High impedance differential input preamplifier and antenna for MRI

#163
20080258728
2008-10-23

Active decoupling of transmitters in MRI

#164
20080231281
2008-09-25

RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems

#165
20080231279
2008-09-25

RF coil and magnetic resonance imaging apparatus

#166
20080231278
2008-09-25

MRI RF coil configured to decouple coil elements and MRI apparatus employing the same

#167
20080180101
2008-07-31

MULTI-CHANNEL MAGNETIC RESONANCE COIL

#168
20080143333
2008-06-19

Array antenna for magnetic resonance applications

#169
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

#170
20080129292
2008-06-05

RF coil system for super high field (SHF) MRI

#171
20070285199
2007-12-13

Array coil and magnetic resonance imaging apparatus

#172
20070282194
2007-12-06

Transmit-receive array for high field MRI

#173
20070279062
2007-12-06

Double resonance coil arrangement for a magnetic resonance device

#174
20070279061
2007-12-06

RF coil assembly for magnetic resonance imaging and spectroscopy systems

#175
20070273377
2007-11-29

Active decoupling of MRI RF transmit coils

#176
20070262775
2007-11-15

Magnetic resonance imaging RF coil decoupling circuit

#177
20070257670
2007-11-08

Multi-channel low loss MRI coil

#178
20070247158
2007-10-25

Cylindrical magnetic resonance antenna

#179
20070222449
2007-09-27

Method of effecting nuclear magnetic resonance experiments using Cartesian feedback

#180
20070190663
2007-08-16

System and method for using polarized or hyperpolarized contrast agent to perform parallel magnetic resonance imaging of a sample

#181
20070159176
2007-07-12

Coil array for magnetic resonance imaging with reduced coupling between adjacent coils

#182
20070152667
2007-07-05

Wrist coil for magnetic resonance imaging

#183
20070096738
2007-05-03

RF coil assembly

#184
20070085634
2007-04-19

Radial coil arrangement for a magnetic resonance apparatus

#185
20070013377
2007-01-18

Superconducting array of surface MRI probes

#186
20060158189
2006-07-20

High field head coil for dual-mode operation in magnetic resonance imaging

#187
20060061362
2006-03-23

Antenna arrangement for acquisition of a magnetic resonance signal

#188
20060006870
2006-01-12

Receiver coil array for a magnetic resonance imaging system

#189
20050275403
2005-12-15

Transceive surface coil array for magnetic resonance imaging and spectroscopy

#190
20050270028
2005-12-08

Decoupling high temperature superconductor sensor arrays in nuclear quadrupole resonance detection systems

#191
20050174115
2005-08-11

Magnetic resonance system

#192
20050134270
2005-06-23

Switchable transmit array coil

#193
20050007116
2005-01-13

Method and apparatus to automatically maintain loop isolation in position variant MRI coils