ClassID:

172044

G01R33/246 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux Spatial mapping of the RF magnetic field B1

Recent Application in this class:
#1
20260118460
2026-04-30

NOISE DAMPENING FOR INTENSITY CORRECTION IN MAGNETIC RESONANCE IMAGING

#2
20250264562
2025-08-21

MR ELECTRIC PROPERTIES TOMOGRAPHY

#3
20250224472
2025-07-10

RECONSTRUCTION APPARATUS, METHOD, AND MAGNETIC RESONANCE IMAGING APPARATUS

#4
20250102606
2025-03-27

Acquisition of Measurement Data Using Magnetic Resonance with Magnetization Preparation

#5
20250076422
2025-03-06

METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT UTILIZING SPATIALLY-RESOLVED B1 AMPLITUDE-BASED TUNING OF MAGNETIC RESONANCE IMAGES

#6
20250004086
2025-01-02

COMPUTER-IMPLEMENTED METHOD FOR PROVIDING A CONTROL SEQUENCE TO BE USED, METHOD FOR RECORDING MEASUREMENT DATA, MAGNETIC RESONANCE FACILITY, COMPUTER PROGRAM AND ELECTRONICALLY READABLE DATA CARRIER

#7
20240085506
2024-03-14

SUBJECT-SPECIFIC OPTIMIZATION OF AN RF PULSE FOR EXCITING THE SPINS IN A SLAB

#8
20230329576
2023-10-19

METHOD AND SYSTEM FOR SIMULTANEOUS MAPPING OF QUANTITATIVE MRI PARAMETERS USING A T2 PREPARED INVERSION

#9
20230314535
2023-10-05

Radio-Frequency Field Inhomogeneity Correction in Magnetic Resonance Imaging

#10
20230288513
2023-09-14

METHOD FOR CARRYING OUT POST-PROCESSING ON SAMPLES OF A WASAB1 ACQUISITION SEQUENCE

#11
20230280422
2023-09-07

B1+ mapping near metallic hardware

#12
20230266418
2023-08-24

TIME EFFICIENT MULTI-PULSED FIELD GRADIENT (MPFG) MRI WITHOUT CONCOMITANT GRADIENT FIELD ARTIFACTS

#13
20230145981
2023-05-11

MR IMAGING WITH T1 COMPENSATED B1 MAPPING

#14
20230120676
2023-04-20

UPPER COIL ASSEMBLY OF AN RF PROBE FOR USE IN AN MRI SYSTEM

#15
20220373624
2022-11-24

Permittivity Enhanced Magnetic Resonance Imaging (MRI) And Magnetic Resonance Spectroscopy (MRS)

#16
20220317212
2022-10-06

Magnetic resonance apparatus with a main magnet disposed between examination rooms

#17
20220276326
2022-09-01

Retrospective tuning of soft tissue contrast in magnetic resonance imaging

#18
20220252683
2022-08-11

System and method for MRI coil sensitivity estimation and reconstruction

#19
20220206097
2022-06-30

MAGNETIC RESONANCE IMAGE PROCESSING METHOD AND DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

#20
20220011386
2022-01-13

High-resolution magnetographic camera based on optically-pumped magnetometer

#21
20210259569
2021-08-26

ELECTICAL PROPERTIES TOMOGRAPHY MAPPING OF CONDUCTIVITY CHANGES

#22
20210123993
2021-04-29

Magnetic resonance imaging method and system and computer-readable storage medium

#23
20210109180
2021-04-15

Selection of magnetic resonance fingerprinting dictionaries for anatomical regions

#24
20210109178
2021-04-15

Computer-implemented method for providing an actuation sequence and method for acquiring measurement data by a magnetic resonance device

#25
20210063517
2021-03-04

Active b1+ shimming of transmission coils

#26
20200408866
2020-12-31

Emulation mode for MRI

#27
20200408863
2020-12-31

System and method for ultrafast magnetic resonance spectroscopic imaging using learned spectral features

#28
20200393526
2020-12-17

Systems and methods for estimating complex radiofrequency fields in a magnetic resonance imaging

#29
20200371184
2020-11-26

Systems and methods for magnetic resonance imaging

#30
20200305758
2020-10-01

Single-sided 3D magnet and magnetic resonance imaging (MRI) system

#31
20200249293
2020-08-06

Moveable MRI system

#32
20200249290
2020-08-06

Moveable MRI moving apparatus

#33
20200249289
2020-08-06

Moveable MRI system RF coil arrangement

#34
20200246095
2020-08-06

MOVEABLE MRI FOR IMAGING IN SURGICAL PROCEDURES

#35
20200049786
2020-02-13

Methods and systems for estimating transmit attenuation for a magnetic resonance imaging scan

#36
20200041594
2020-02-06

Sub voxel resolution magnetic resonance fingerprinting imaging

#37
20190383889
2019-12-19

Estimating absolute phase of radio frequency fields of transmit and receive coils in a magnetic resonance

#38
20190353718
2019-11-21

System and method for proton density mapping and receiver bias correction using magnetic resonance fingerprinting (MRF)

#39
20190336082
2019-11-07

B1 FIELD MAP WITH CONTRAST MEDIUM INJECTION

#40
20190317166
2019-10-17

Magnetic resonance imaging apparatus, RF coil, and magnetic resonance imaging method

#41
20190310334
2019-10-10

Method and computer for producing a pulse sequence for controlling a magnetic resonance imaging apparatus

#42
20190298217
2019-10-03

Method and magnetic resonance apparatus for performing electrical impedance tomography with the aid of an MR system

#43
20190242961
2019-08-08

Direct measurement of the B0-off-resonance field during magnetic resonance fingerprinting

#44
20190235040
2019-08-01

Method, computer and imaging apparatus

#45
20190154768
2019-05-23

SYSTEM AND METHOD FOR MAGNETIC RESONANCE IMAGING AN OBJECT

#46
20190150782
2019-05-23

Method for solving electrical property distribution and local specific absorption rate of tissue from view of electromagnetic field energy propagation

#47
20190146044
2019-05-16

Magnetic resonance imaging apparatus

#48
20190128984
2019-05-02

Method and apparatus for accurate parametric mapping

#49
20190128979
2019-05-02

Magnetic resonance imaging apparatus and pulse setting method

#50
20190101603
2019-04-04

Method of fast imaging of NMR parameters with variably-accelerated sensitivity encoding

#51
20190090777
2019-03-28

Medical imaging device for combined magnetic resonance imaging and irradiation and method for determining the configuration of shim units

#52
20190079154
2019-03-14

Systems and methods for ultrashort echo time actual flip angle imaging and variable repetition time magnetic resonance imaging

#53
20190064302
2019-02-28

Magnetic field map determination in a magnetic resonance system

#54
20190064294
2019-02-28

Method of performing magnetic resonance imaging and a magnetic resonance apparatus

#55
20190049541
2019-02-14

Method and apparatus for executing an accelerated magnetic resonance scan

#56
20190033418
2019-01-31

Systems and methods for strategically acquired gradient echo imaging

#57
20190033417
2019-01-31

Magnetic resonance image reconstruction

#58
20190025386
2019-01-24

Method and apparatus for determination of phase distributions in magnetic resonance imaging

#59
20180335488
2018-11-22

Method and magnetic resonance apparatus correction of multiple distortion effects during magnetic resonance imaging

#60
20180313922
2018-11-01

Generating a spatially resolved magnetic resonance dataset

#61
20180313916
2018-11-01

Magnetic resonance imaging apparatus and pulse design method

#62
20180292486
2018-10-11

System and method for simultaneous multislice magnetic resonance fingerprinting with variable radio frequency encoding

#63
20180252788
2018-09-06

Method of designing pulse sequences for parallel-transmission magnetic resonance imaging, and a method of performing magnetic resonance imaging using such sequences

#64
20180246178
2018-08-30

Systems and methods for estimating complex B1+ fields of transmit coils of a magnetic resonance imaging (MRI) system

#65
20180217217
2018-08-02

System and method for dynamic, cardiac phase-resolved quantitative longitudinal relaxation parameter mapping

#66
20180217073
2018-08-02

High spatial resolution nuclear magnetic resonance logging

#67
20180210048
2018-07-26

Gradient amplifier and drive circuit thereof

#68
20180149722
2018-05-31

Time-domain MRI

#69
20180146880
2018-05-31

Technology for robust regional and global liver function quantification from clinical multi-phase MRI

#70
20180120402
2018-05-03

Parallel MR imaging with RF coil sensitivity mapping

#71
20180113180
2018-04-26

Magnetic resonance imaging apparatus

#72
20180067176
2018-03-08

Motion-robust transmit radio frequency field mapping in magnetic resonance imaging using interleaved bloch-siegert shifting

#73
20180017647
2018-01-18

Methods for simultaneous multi-angular relaxometry and RF mapping of tissue using magnetic resonance imaging

#74
20180017646
2018-01-18

Method and apparatus for magnetic resonance fingerprinting with B1 information encoded in the detected magnetic resonance signal

#75
20180011158
2018-01-11

MRI method for calculating derived values from B0 and B1 maps

#76
20180011155
2018-01-11

Magnetic resonance imaging apparatus and method for setting RF shimming parameters

#77
20180003790
2018-01-04

Method and apparatus for reconstruction of magnetic resonance images with incomplete sampling

#78
20170356744
2017-12-14

Localization apparatus and localization method

#79
20170343624
2017-11-30

Monitoring an absorption rate of inductively coupled coils

#80
20170315187
2017-11-02

Magnetic resonance imaging apparatus

#81
20170303813
2017-10-26

Noninvasive determination of electrical properties of tissues and materials using magnetic resonance measurements

#82
20170242085
2017-08-24

Method and apparatus for determining a B1 field map in a magnetic resonance scanner

#83
20170209067
2017-07-27

Magnetic resonance imaging apparatus

#84
20170185072
2017-06-29

System and method for fabricating electromagnetic field enhancing objects for magnetic resonance imaging

#85
20170176563
2017-06-22

Methods for simultaneous multi-angular relaxometry and RF mapping of tissue using magnetic resonance imaging

#86
20170139021
2017-05-18

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

#87
20170030988
2017-02-02

EPT method of electric conductivity reconstruction with enhanced stability and speed

#88
20160313416
2016-10-27

Calculating MRI RF coil sensitivities using interpolation into an enlarged field of view

#89
20160282436
2016-09-29

Parallel transmission by spin dynamic fingerprinting

#90
20160245882
2016-08-25

Method and magnetic resonance apparatus for determining absolute receive sensitivity maps for reception coils

#91
20160238682
2016-08-18

Magnetic resonance imaging apparatus

#92
20160223635
2016-08-04

Metal resistant MR imaging

#93
20160187438
2016-06-30

Method and apparatus for using B1 map to correct intensity of magnetic resonance images

#94
20160171670
2016-06-16

Image correction during magnetic resonance dependent on the reception profile of the reception antenna

#95
20160154080
2016-06-02

System and method for externally calibrated parallel imaging in the presence of an inhomogeneous magnetic field

#96
20160146908
2016-05-26

Correction of imaging methods in a magnetic resonance device

#97
20160128574
2016-05-12

Iterative minimization procedure with uncompressed local SAR estimate

#98
20160084931
2016-03-24

Method and apparatus for reducing artifacts during the acquisition of magnetic resonance data

#99
20160054262
2016-02-25

System, method and computer-accessible medium for providing generalized local maxwell tomography for mapping of electrical property gradients and tensors

#100
20160041250
2016-02-11

MRT and method for operating a clinical pTX system

#101
20160041249
2016-02-11

Method and magnetic resonance apparatus for generating at least one combination image dataset

#102
20160018502
2016-01-21

Signal inhomogeneity correction and performance evaluation apparatus

#103
20150362574
2015-12-17

Multiband RF/MRI pulse design for multichannel transmitter

#104
20150309147
2015-10-29

Systems and methods for designing magnetic resonance imaging radio frequency pulses that are robust against physiological motion errors

#105
20150309141
2015-10-29

System, method, and computer-accessible medium for determining at least one characteristic of at least one tissue or at least one MRI measurement condition of the at least one tissue using active contrast encoding magnetic resonance imaging procedure(s)

#106
20150276903
2015-10-01

Magnetic resonance imaging apparatus

#107
20150253406
2015-09-10

Metal resistant MR imaging reference scan

#108
20150241531
2015-08-27

Magnetic resonance imaging method and apparatus

#109
20150234025
2015-08-20

Method and magnetic resonance apparatus for determination of radio-frequency pulses

#110
20150185307
2015-07-02

Magnetic resonance signal correction

#111
20150185301
2015-07-02

Method and apparatus for generating a specific flip angle distribution in MRI

#112
20150153431
2015-06-04

Systems and methods for determining electrical properties using magnetic resonance imaging

#113
20150137815
2015-05-21

Circular dipole and surface coil loop structures and methods for using the same

#114
20150091568
2015-04-02

Method and magnetic resonance apparatus to correct magnetic resonance measurement data

#115
20150091566
2015-04-02

Method and magnetic resonance apparatus to determine a sensitivity profile of a local coil

#116
20150091565
2015-04-02

Method and magnetic resonance apparatus for determination of excitation profiles from excitation pulses

#117
20150084627
2015-03-26

Method for determining the spatial distribution of magnetic resonance signals in subvolumes of an object under examination

#118
20150084626
2015-03-26

Method for determining a position-dependent attenuation map of high-frequency coils of a magnetic resonance pet device

#119
20150070013
2015-03-12

Establishing B-maps

#120
20150042335
2015-02-12

MR imaging with Bmapping

#121
20150022203
2015-01-22

Automatic HF shim configuration for coils

#122
20150015258
2015-01-15

Method and magnetic resonance apparatus to determine a B1 phase map

#123
20150002149
2015-01-01

MR imaging with Bmapping

#124
20140327438
2014-11-06

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

#125
20140300354
2014-10-09

Systems and methods for spatial gradient-based electrical property properties tomography using magnetic resonance imaging

#126
20140292335
2014-10-02

Magnetic resonance imaging apparatus and magnetic resonance imaging method for correcting transmission unevenness due to RF pulse

#127
20140292334
2014-10-02

Magnetic resonance imaging equipment, high frequency magnetic field irradiation method and program

#128
20140292333
2014-10-02

Establishing a magnetic resonance system actuation sequence

#129
20140253121
2014-09-11

Magnetic resonance imaging apparatus and irradiation magnetic field distribution measurement method

#130
20140232394
2014-08-21

Method and apparatus for obtaining main magnetic field information and radio pulse related information in a magnetic resonance imaging system with different flip angles

#131
20140218022
2014-08-07

Magnetic resonance system and method to acquire MR data and to determine a B1 magnetic field

#132
20140218021
2014-08-07

Method and magnetic resonance system to acquire MR data and to determine a B1 magnetic field

#133
20140152308
2014-06-05

Method and apparatus for acquiring B1 magnetic field information

#134
20140152307
2014-06-05

Method and apparatus for acquiring B1 magnetic field information

#135
20140117987
2014-05-01

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#136
20140105476
2014-04-17

Determining electrical properties of tissue using magnetic resonance imaging and least squared estimate

#137
20140088899
2014-03-27

Eigen-vector approach for coil sensitivity maps estimation

#138
20140055140
2014-02-27

Magnetic resonance imaging apparatus

#139
20140035575
2014-02-06

Sensitivity distribution generating apparatus, magnetic resonance system, sensitivity distribution generating method, and program

#140
20130320977
2013-12-05

Method and apparatus to determine a subject-specific B1 distribution of an examination subject in a measurement volume of a magnetic resonance apparatus

#141
20130289912
2013-10-31

EIGEN-VECTOR APPROACH FOR COIL SENSITIVITY MAPS ESTIMATION

#142
20130285660
2013-10-31

Controlling a magnetic resonance system

#143
20130278262
2013-10-24

Passive Bfield shimming

#144
20130278255
2013-10-24

System and method of receive sensitivity correction in MR imaging

#145
20130251227
2013-09-26

Methods and apparatus for accurate characterization of signal coil receiver sensitivity in magnetic resonance imaging (MRI)

#146
20130241553
2013-09-19

Method of characterizing

#147
20130229176
2013-09-05

Method for determining a set of Bfield maps

#148
20130207653
2013-08-15

Magnetic resonance imaging apparatus and method for measuring irradiation magnetic field

#149
20130154646
2013-06-20

Magnetic resonance imaging apparatus

#150
20130134972
2013-05-30

Method and system for B1 field mapping in magnetic resonance imaging

#151
20130082708
2013-04-04

Magnetic resonance imaging device and transmitting sensitivity distribution calculation method

#152
20130038326
2013-02-14

Method and apparatus for compensating for Binhomogeneity in magnetic resonance imaging by nonselective tailored RF pulses

#153
20120306493
2012-12-06

Electric properties tomography imaging method and system

#154
20120280683
2012-11-08

System and method for magnetic resonance radio-frequency field mapping

#155
20120271571
2012-10-25

System and method for determining electrical properties using magnetic resonance imaging

#156
20120262174
2012-10-18

Method for calculating local specific energy absorption rate (SAR) in nuclear magnetic resonance

#157
20120229136
2012-09-13

Method and magnetic resonance tomography system to generate magnetic resonance image data of an examination subject

#158
20120197106
2012-08-02

Parallel Excitation of Nuclear Spins With Local SAR Control

#159
20120179023
2012-07-12

MR imaging using multi-channel RF excitation

#160
20120032677
2012-02-09

Spatial intensity correction for RF shading non-uniformities in MRI

#161
20120032676
2012-02-09

Spatial intensity correction for RF shading non-uniformities in MRI

#162
20120019248
2012-01-26

Magnetic resonance imaging apparatus and method

#163
20120007600
2012-01-12

Accelerated B1 mapping

#164
20110260726
2011-10-27

PHASE LABELING USING SENSITIVITY ENCODING: DATA ACQUISITION AND IMAGE RECONSTRUCTION FOR GEOMETRIC DISTORTION CORRECTION IN EPI

#165
20110208039
2011-08-25

Direct and Indirect Surface Coil Correction for Cardiac Perfusion MRI

#166
20110156704
2011-06-30

B1-mapping and B1L-shimming for MRI

#167
20110121831
2011-05-26

Magnetic resonance imaging apparatus

#168
20110121829
2011-05-26

Magnetic resonance imaging apparatus

#169
20110026799
2011-02-03

Flip angle imaging with improved B1 mapping for multi-RF transmit systems

#170
20110001476
2011-01-06

Phase sensitive radio frequency mapping for magnetic resonance imaging

#171
20100315084
2010-12-16

System, method, and apparatus for magnetic resonance RF-field measurement

#172
20100239151
2010-09-23

B1 and/or B0 mapping in MRI system using k-space spatial frequency domain filtering with complex pixel by pixel off-resonance phase in the B0 map

#173
20100239142
2010-09-23

B1 mapping in MRI system using k-space spatial frequency domain filtering

#174
20100237864
2010-09-23

Magnetic resonance method and apparatus to generate an image using a parallel acquisition technique

#175
20100237861
2010-09-23

Method for mapping of the radio frequency field amplitude in a magnetic resonance imaging system using adiabatic excitation pulses

#176
20100179763
2010-07-15

Reverse circularly polarized non-tissue damaging RF in MRI detection of coupled RF current producing objects in a body

#177
20100156411
2010-06-24

Method for producing spectral-spatial parallel RF excitation pulses for magnetic resonance imaging

#178
20100141252
2010-06-10

Method to determine a predetermined signal amplitude in MR measurements

#179
20100136929
2010-06-03

METHOD AND MULTI-CHANNEL RF TRANSMITTER ARRANGEMENT FOR GENERATING RF FIELDS

#180
20100076298
2010-03-25

METHOD AND DEVICE FOR DETERMINING THE SPATIAL DISTRIBUTION OF THE SPECIFIC ABSORPTION RATE PRODUCED BY AN ELECTROMAGNETIC FIELD-RADIATING APPARATUS

#181
20100066361
2010-03-18

Method for fast magnetic resonance radiofrequency coil transmission profile mapping

#182
20090201019
2009-08-13

MR involving high speed coil mode switching between I-channel linear, Q-channel linear, quadrature and anti-quadrature modes

#183
20090121714
2009-05-14

Method and magnetic resonance system for determining the flip angle distribution in a volume of an examination subject

#184
20090102483
2009-04-23

Magnetic resonance with time sequential spin excitation

#185
20080284432
2008-11-20

Method for controlling a magnetic resonance system

#186
20080265889
2008-10-30

Multiple-Channel Transmit Magnetic Resonance

#187
20080238426
2008-10-02

Method and apparatus for reducing aliasing artifacts in the imaging for MR-monitored HIFU therapy

#188
20080231280
2008-09-25

Magnetic resonance apparatus, method and auxilliary coil element for manipulation of the Bfield

#189
20080211501
2008-09-04

Method and circuit arrangement for operating multi-channel transmit/receive antenna devices

#190
20080150528
2008-06-26

RF field mapping for magnetic resonance imaging

#191
20080129298
2008-06-05

High field magnetic resonance

#192
20080100292
2008-05-01

System and method for fast MR coil sensitivity mapping

#193
20080088305
2008-04-17

Radio frequency field localization for magnetic resonance

#194
20070276222
2007-11-29

System for magnetic resonance imaging

#195
20070255128
2007-11-01

Magnetic resonance apparatus and operating method with automated determination of an optimized radio frequency transmit mode

#196
20070085537
2007-04-19

Method and magnetic resonance system for determining the flip angle distribution in a volume of an examination subject

#197
20060261811
2006-11-23

Magnetic resonance imaging system with a plurality of transmit coils

#198
20060261809
2006-11-23

Determination of spatial sensitivity profiles of RF coils in magnetic resonance imaging

#199
20060106299
2006-05-18

Magnetic resonance imaging device and data processing method for magnetic resonance imaging device

#200
20050231203
2005-10-20

Method and magnetic resonance system for homogenizing the Bfield

#201
20050189940
2005-09-01

Magnetic resonance system and operating method for RF pulse optimization

#202
20050140369
2005-06-30

RF transmitter arrangement for an MR system, and method for determining a setting parameter therefor

#203
20050134266
2005-06-23

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#204
20050116715
2005-06-02

Parallel transceiver for nuclear magnetic resonance system

#205
18938584
2025-10-28

RF transmit and receiver antenna detector system

#206
16321535
2022-11-22

Method for detecting tumor tissue boundaries or tumor stromal cell distribution range