ClassID:

172090

G01R33/3664 - 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 Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view

Recent Application in this class:
#1
20260153579
2026-06-04

RADIO FREQUENCY ANTENNA SYSTEM

#2
20250224470
2025-07-10

Magnetic Resonance Apparatus and Method

#3
20250052840
2025-02-13

MAGNETIC RESONANCE APPARATUS WITH SWITCHING UNIT AND METHOD FOR OPERATING SUCH AN APPARATUS

#4
20250012881
2025-01-09

MAGNETIC RESONANCE IMAGING APPARATUS AND AUTOMATIC CHANNEL SELECTION METHOD OF MULTI-CHANNEL RECEPTION COIL

#5
20240361413
2024-10-31

MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD OF SUPPORTING SETTING OF IMAGING CONDITION THEREOF

#6
20240329171
2024-10-03

MAGNETIC FIELD ENHANCEMENT ASSEMBLY AND MAGNETIC FIELD ENHANCEMENT DEVICE

#7
20240255598
2024-08-01

MRI APPARATUS, CONTROL METHOD FOR MRI APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING CONTROL PROGRAM OF MRI APPARATUS

#8
20240255596
2024-08-01

Opto-isolator circuitry for magnetic resonance imaging applications

#9
20240210503
2024-06-27

RADIO FREQUENCY POWER AMPLIFIER SYSTEM FOR MAGNETIC RESONANCE IMAGING

#10
20240210501
2024-06-27

MRI APPARATUS

#11
20240201291
2024-06-20

MAGNETIC FIELD ENHANCEMENT COMPONENT AND MAGNETIC FIELD ENHANCEMENT DEVICE

#12
20240045008
2024-02-08

MAGNETIC RESONANCE IMAGING APPARATUS AND RF COIL

#13
20240027558
2024-01-25

SYSTEMS AND METHODS FOR MULTI-FIELD-OF-VIEW IMAGING

#14
20230009401
2023-01-12

HIGH FREQUENCY COIL APPARATUS FOR OBTAINING NUCLEAR MAGNETIC RESONANCE SIGNALS OF OTHER NUCLIDES WITHIN MAGNETIC RESONANCE IMAGING SYSTEM, AND METHOD FOR OPERATING SAME

#15
20220322958
2022-10-13

MAGNETIC RESONANCE IMAGING APPARATUS

#16
20220308145
2022-09-29

Monitoring architecture for magnetic resonance transmission systems and method for operating same

#17
20220214412
2022-07-07

Dual Frequency Coil Package for Magnetic Resonance Imaging System Upgrade

#18
20220196766
2022-06-23

Magnetic resonance tomograph and method for rapid switchover from TX to RX

#19
20220187395
2022-06-16

Opto-isolator circuitry for magnetic resonance imaging applications

#20
20220179020
2022-06-09

MR system with improved protection against cardiac stimulation

#21
20220043085
2022-02-10

Local-coil apparatus for a magnetic resonance tomography unit and systems and methods thereof

#22
20210325497
2021-10-21

Method for adjusting at least one measurement parameter for a measurement protocol for a magnetic resonance examination

#23
20210311144
2021-10-07

Active switching for RF slice-selecting

#24
20210124005
2021-04-29

MRI streak-artifact suppression, system and method

#25
20210055363
2021-02-25

Radio frequency (RF) antenna element with a (de) tuning system

#26
20210003647
2021-01-07

Mononuclear MRI upgrade system and method

#27
20200371186
2020-11-26

Coil facility for a magnetic resonance installation and magnetic resonance installation

#28
20200333412
2020-10-22

Magnetic resonance detection (MRD) system for and methods of detecting and classifying multiple chemical substances

#29
20200309876
2020-10-01

Systems and methods for a configurable radio frequency coil for MR imaging

#30
20200309875
2020-10-01

Feeding a coil for magnetic resonance imaging

#31
20200278405
2020-09-03

Magnetic resonance imaging coil with significantly fewer number of baluns

#32
20200271739
2020-08-27

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

#33
20200072921
2020-03-05

Coil for receiving magnetic resonance signal and coil assembly thereof

#34
20200072920
2020-03-05

Active switching for RF slice-selecting

#35
20200041587
2020-02-06

Impedance matching using multiple ports

#36
20190369181
2019-12-05

Method and systems for coil selection in magnetic resonance imaging to reduce annefact artifact

#37
20190369180
2019-12-05

Method and systems for coil selection in magnetic resonance imaging

#38
20190369179
2019-12-05

Methods and systems for coil selection in magnetic resonance imaging

#39
20190310332
2019-10-10

MAGNETIC FIELD GRADIENT COIL ASSEMBLY WITH INTEGRATED MODULATOR AND SWITCH UNIT

#40
20190293738
2019-09-26

Local coil matrix and methods for image acquisition

#41
20190257899
2019-08-22

Adjusting a field distribution of an antenna arrangement of a magnetic resonance system

#42
20190257898
2019-08-22

Magnetic resonance imaging (MRI) transmit (Tx)/ receive (Rx) coil using the same array coil

#43
20190227135
2019-07-25

Magnetic resonance imaging apparatus

#44
20190219649
2019-07-18

Array antenna driving method and device for three-dimensional scanning nuclear magnetic resonance imager

#45
20190195971
2019-06-27

Acquisition of magnetic resonance signals

#46
20190128977
2019-05-02

Method and system for magnetic resonance imaging

#47
20190113586
2019-04-18

RF transmit system with selectable drive ports for magnetic resonance imaging apparatuses

#48
20190101610
2019-04-04

Phase deviation acquisition method and system, and phase calibration method and system

#49
20190086492
2019-03-21

RF coil apparatus and magnetic resonance imaging apparatus

#50
20190056468
2019-02-21

Active switching for RF slice-selecting

#51
20190018099
2019-01-17

Nuclear magnetic measuring device

#52
20180368783
2018-12-27

Method and apparatus visualizing a medical object

#53
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

#54
20180329011
2018-11-15

Magnetic resonance imaging apparatus and abnormality detection method

#55
20180313918
2018-11-01

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

#56
20180313917
2018-11-01

Magnetic resonance imaging apparatus and adjustment method thereof

#57
20180252783
2018-09-06

Dual tuned MRI resonator and coil package and method

#58
20180238987
2018-08-23

Systems and methods for an interleaved RF coil acquisition scheme

#59
20180217213
2018-08-02

Signal receiver for a magnetic resonance apparatus

#60
20180120391
2018-05-03

System and method for magnetic resonance imaging one or more subjects

#61
20180088192
2018-03-29

Plug connector for use in a magnetic resonance device

#62
20180081005
2018-03-22

Single layer magnetic resonance imaging transmit/receive radio frequency coil

#63
20180067180
2018-03-08

Magnetic resonance signal receiving apparatus, reception coil channel selector and magnetic resonance imaging system

#64
20180024206
2018-01-25

Magnetic resonance tomography unit with transmitting unit and selector and method for operation

#65
20170350953
2017-12-07

Magnetic resonance coil selection method and computer

#66
20170343626
2017-11-30

Magnetic resonance imaging apparatus

#67
20170234948
2017-08-17

Method and apparatus for hardware RF receiver channel reduction

#68
20170184692
2017-06-29

Determining position of radio frequency coil in magnetic resonance imaging system

#69
20170176551
2017-06-22

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

#70
20170069453
2017-03-09

Switch matrix assembly and magnetic resonance imaging apparatus using the same

#71
20170067975
2017-03-09

Adaptive electromagnet for high performance magnetic resonance imaging

#72
20170059674
2017-03-02

Magnetic resonance imaging device and method for controlling the same

#73
20170045599
2017-02-16

Hierrarchical mapping framework for coil compression in magnetic resonance image reconstruction

#74
20170038443
2017-02-09

Methods and devices for RF coils in MRI systems

#75
20160313426
2016-10-27

Adaptive electromagnet for high performance magnetic resonance imaging

#76
20160291100
2016-10-06

Transceiver coil array facilitating MR-guided procedures

#77
20160252593
2016-09-01

Transmitter device for a magnetic resonance scanner

#78
20160209484
2016-07-21

Magnetic resonance imaging apparatus and method for control thereof

#79
20160195595
2016-07-07

Architecture for cascaded signal selection and signal concentration and/or reduction of digital received data by decimation and channel preselection

#80
20160154074
2016-06-02

Magnetic resonance imaging apparatus

#81
20160135711
2016-05-19

Magnetic resonance imaging device and RF coil assembly with matching switch circuit and tuning switch circuit

#82
20160077174
2016-03-17

Flexible signal multiplexer for MRI receiving systems

#83
20160069969
2016-03-10

Magnetic resonance imaging apparatus and RF coil

#84
20160033598
2016-02-04

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

#85
20160033597
2016-02-04

GALLIUM ARSENIDE (GAAS) BASED AMPLIFIER AND TRANSMIT/ RECEIVE SWITCH FOR CRYOGENIC DEVICES AND RELATED SYSTEMS AND METHODS

#86
20160018492
2016-01-21

Electronically controllable groups of artificially structured unit cells providing localized B1 magnetic fields for MRI and NMR devices

#87
20160003927
2016-01-07

Power measurement on magnetic resonance imaging coil at different frequency than Larmor frequency

#88
20150338488
2015-11-26

Method and apparatus for generating a magnetic resonance image using combined excitation by a whole body coil and a local coil

#89
20150293189
2015-10-15

Transmit/receive switching circuitry with improved radio frequency isolation

#90
20150276899
2015-10-01

Receiver of magnetic resonance system and magnetic resonance system

#91
20150253399
2015-09-10

Magnetic resonance imaging apparatus and radio frequency coil unit

#92
20150234020
2015-08-20

Adaptive pin diode drive circuit with minimized power loss

#93
20150228391
2015-08-13

Conductive cooling-type persistent current switch, MRI apparatus and NMR apparatus

#94
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

#95
20150177340
2015-06-25

Magnetic resonance imaging apparatus

#96
20150112184
2015-04-23

Local coil receiving channel selector for magnetic resonance imaging system

#97
20150097562
2015-04-09

Method and apparatus to acquire magnetic resonance image data

#98
20150091576
2015-04-02

Magnetic resonance imaging system and coil control device thereof

#99
20150070014
2015-03-12

Determination of a type of processing of signals transmitted by local coil

#100
20150048831
2015-02-19

Magnetic resonance imaging apparatus and local coil assembly and local coil thereof

#101
20150045655
2015-02-12

MR marker for magnetic resonance imaging

#102
20150042341
2015-02-12

Magnetic resonance imaging apparatus and output pattern determining method

#103
20150042337
2015-02-12

Magnetic resonance transmitter

#104
20150042334
2015-02-12

Method and magnetic resonance system to determine the T1 time of water and the T1 time of fat

#105
20150022208
2015-01-22

Use of a plurality of TX coils

#106
20140361775
2014-12-11

Magnetic resonance multi-core array radio frequency device and magnetic resonance signal receiving method

#107
20140300355
2014-10-09

Method and local coil system for producing a magnetic resonance radio frequency field

#108
20140253119
2014-09-11

Noise canceling in-situ NMR detection

#109
20140191758
2014-07-10

Transmit antenna selector and magnetic resonance imaging system

#110
20140176137
2014-06-26

Adapter, coil, and magnetic resonance imaging system

#111
20140159719
2014-06-12

Method and apparatus for acquiring image in magnetic resonance imaging system

#112
20140145717
2014-05-29

Magnetic resonance imaging apparatus and guiding method of coil selection in magnetic resonance imaging method

#113
20140070810
2014-03-13

Nuclear quadrupole resonance system and method of using the same to remove interference components from sensor signals

#114
20140070808
2014-03-13

FET switch as detune circuit for MRI RF coils

#115
20140062482
2014-03-06

Acquisition of MR data with sequential selection of resonant modes of the RF coil asssembly

#116
20140055136
2014-02-27

Multichannel RF volume resonator for MRI

#117
20140055132
2014-02-27

Identifying the static position of transmission/reception coils of a magnetic resonance imaging scanner with the aid of electronically readable labels

#118
20130295867
2013-11-07

Diverse radio receiver system

#119
20130249560
2013-09-26

Magnetic resonance imaging apparatus

#120
20130241556
2013-09-19

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

#121
20130241547
2013-09-19

Magnetic resonance apparatus with wireless transmission from MRI receive coils to receiver

#122
20130234714
2013-09-12

Radio frequency coil device and magnetic resonance imaging system

#123
20130229178
2013-09-05

Local screen and method for the screening out of magnetic resonance signals

#124
20130221967
2013-08-29

Radio frequency coil device and magnetic resonance imaging apparatus

#125
20130193965
2013-08-01

Body/head coil switching method, a power amplifier component and a MRI system

#126
20130162253
2013-06-27

MRI antenna coil selection unit within patient table cable duct

#127
20130069652
2013-03-21

RF COIL AND MAGNETIC RESONANCE IMAGING DEVICE

#128
20120319689
2012-12-20

MAGNETIC RESONANCE IMAGING APPARATUS

#129
20120306499
2012-12-06

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

#130
20120306498
2012-12-06

Multichannel RF signal switching device and magnetic resonance imaging apparatus having multichannel RF signal switching device

#131
20120306497
2012-12-06

RF reception coil and magnetic resonance imaging apparatus using same

#132
20120306494
2012-12-06

RF coil array having two or more switches built within each RF coil array element, compatible with both magnetic resonance and a temperature mapping

#133
20120268132
2012-10-25

Magnetic resonance signal detection using remotely positioned receive coils

#134
20120268116
2012-10-25

Magnetic resonance signal detection using remotely positioned receive coils

#135
20120262168
2012-10-18

Magnetic resonance system and a method for emitting high-frequency signals

#136
20120249147
2012-10-04

RF antenna for MRI with a removable conductor

#137
20120217965
2012-08-30

Magnetic resonance tomography system

#138
20120200294
2012-08-09

Magnetic resonance antenna arrangement and method for acquiring magnetic resonance signals using the magnetic resonance antenna arrangement

#139
20120194192
2012-08-02

Mechanically flexible magnetic resonance coil with opening conductor structures

#140
20120191383
2012-07-26

Method and system for acquiring and analyzing coil data

#141
20120081115
2012-04-05

Using memristor devices as switches for MRI RF coils

#142
20120019248
2012-01-26

Magnetic resonance imaging apparatus and method

#143
20110316540
2011-12-29

Transmit/receive switch for a miniaturized NMR device

#144
20110291655
2011-12-01

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

#145
20110221441
2011-09-15

Local coil for a magnetic resonance device

#146
20110128001
2011-06-02

Magnetic resonance imaging apparatus and method

#147
20110128000
2011-06-02

Multi-channel magnetic resonance imaging and spectroscopy

#148
20110121833
2011-05-26

Focus coil array and interface devices therefor

#149
20110121831
2011-05-26

Magnetic resonance imaging apparatus

#150
20110109311
2011-05-12

Noise canceling in-situ NMR detection

#151
20110006766
2011-01-13

Coil selection for parallel magnetic resonance imaging

#152
20100271022
2010-10-28

Magnetic resonance imaging apparatus and RF coil

#153
20100259262
2010-10-14

Magnetic resonance imaging apparatus

#154
20100181109
2010-07-22

Transmission cable for use in radio-frequency magnetic or electrical fields

#155
20100166279
2010-07-01

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

#156
20100156412
2010-06-24

Local coil arrangement for magnetic resonance applications with activatable marker

#157
20100148778
2010-06-17

Magnetic resonance acquisition system, receiver antenna module, transmission signal reception module, magnetic resonance system and method to transfer MR response signals

#158
20100134273
2010-06-03

Radiofrequency safety of switchable segmented transmission lines

#159
20100090699
2010-04-15

POWER SUPPLY FOR RF COILS

#160
20100060284
2010-03-11

Magnetic resonance imaging apparatus and control method of magnetic resonance imaging apparatus

#161
20100052683
2010-03-04

Device and method for switching a pin diode

#162
20100052679
2010-03-04

Coil array mode compression for parallel transmission magnetic resonance imaging

#163
20100019767
2010-01-28

RF COIL ASSEMBLY FOR A MAGNETIC RESONANCE IMAGING SYSTEM

#164
20100001726
2010-01-07

Magnetic resonance imaging apparatus and receiving-path switching method

#165
20090322332
2009-12-31

NMR probe superconductive transmit/receive switches

#166
20090286478
2009-11-19

Arrangement to transmit magnetic resonance signals

#167
20090256574
2009-10-15

Transmission path for use in RF fields providing reduced RF heating

#168
20090256569
2009-10-15

Multi-frequency RF coil

#169
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

#170
20090224758
2009-09-10

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

#171
20090201019
2009-08-13

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

#172
20090174498
2009-07-09

RF switch device, magnetic resonance imaging system and an RF signal transmission method

#173
20090160441
2009-06-25

Magnetic resonance imaging apparatus

#174
20090128149
2009-05-21

Local coil arrangement with magnetic field sensor and magnetic resonance system with such a local coil arrangement

#175
20090096455
2009-04-16

Arrangement to transmit magnetic resonance signals via multiplexed multiplexer reception branches

#176
20090091326
2009-04-09

Magnetic resonance rf transmission arrangement and method with commonly fed labeling and excitation antennas

#177
20080272783
2008-11-06

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#178
20080258730
2008-10-23

Nuclear magnetic resonance (NMR) probe

#179
20080231280
2008-09-25

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

#180
20080231269
2008-09-25

System, method and apparatus for identifying abnormality in MRI RF input circuits by combination mode switching in single MRI sequence scan

#181
20080218168
2008-09-11

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#182
20080211502
2008-09-04

Method for automatic coil selection in a magnetic resonance apparatus

#183
20080197848
2008-08-21

RF volume coil with selectable field of view

#184
20080169812
2008-07-17

Tomographic measuring system and method for conducting measurements

#185
20080129296
2008-06-05

Radio-frequency coil arrangement

#186
20080007263
2008-01-10

Magnetic resonance imaging apparatus capable of automatically determining RF coil positions

#187
20070210793
2007-09-13

METHOD AND MULTI-RECEPTION COIL MR APPARATUS FOR GENERATING AN MR IMAGE USING DATA FROM SELECTED COILS

#188
20070038068
2007-02-15

Mr imaging method

#189
20060152220
2006-07-13

Coil element selection method and magnetic resonance imaging apparatus

#190
20060091886
2006-05-04

Low esr switch for nuclear resonance measurements

#191
20060087320
2006-04-27

Parallel MR imaging with use of multi-coil made of plural element coils

#192
20050156598
2005-07-21

Method and selector switch for switching between two antenna units