ClassID:

172084

G01R33/3621 - page 2 - 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 NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation

Recent Application in this class:
#301
20120187949
2012-07-26

Magnetic resonance apparatus

#302
20120161771
2012-06-28

Long distance explosive detection using nuclear quadrupole resonance and one or more monopoles

#303
20120161761
2012-06-28

Transmission line array for explosive detection using nuclear quadrupole resonance

#304
20120139538
2012-06-07

USB connected MRT receiver coil with local data storage and A/D conversion at the local coil

#305
20120098540
2012-04-26

Antenna circuit for an MRI system

#306
20120074936
2012-03-29

Magnetic resonance measuring apparatus

#307
20120071117
2012-03-22

Method for transmitting magnetic resonance signals with double frequency conversion

#308
20120062230
2012-03-15

Active transmit elements for MRI coils and other antenna devices

#309
20120041717
2012-02-16

System and method for sensing of a nuclear quadrupole resonance

#310
20120020259
2012-01-26

Preprocessing circuit for receive signals of a local coil

#311
20120001629
2012-01-05

Non-resonant logging tools with H-bridge switching

#312
20110248712
2011-10-13

System and method providing preamplifier feedback for magnetic resonance imaging

#313
20110227574
2011-09-22

Magnetic resonance imaging apparatus including elements for phase correction of wireless transmissions

#314
20110187371
2011-08-04

Transmit-receive switching circuit for NMR spectrometer and NMR spectrometer incorporating same

#315
20110109316
2011-05-12

MRI RF coil control signals modulated onto the RF coil clock signal

#316
20110109315
2011-05-12

MR signal transmission in a local coil arrangement

#317
20110109310
2011-05-12

Digital NMR signal processing systems and methods

#318
20110103491
2011-05-05

Adaptive data rate control

#319
20110101979
2011-05-05

Amplified radiation damping for MR imaging and spectroscopy

#320
20110101977
2011-05-05

Magnetic resonance imaging apparatus and method with wireless transmission of compressed echo signals that are expanded and extracted at the receiver

#321
20110074425
2011-03-31

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

#322
20110074415
2011-03-31

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

#323
20110057654
2011-03-10

Systems and methods for design and construction of NMR transceiver circuits

#324
20110040997
2011-02-17

Synchronization of clocks in autonomous components of an MR system and synchronous execution of commands in those components

#325
20110012598
2011-01-20

MR COILS WITH AN ACTIVE ELECTRONIC COMPONENT HAVING AN INDIRECT POWER CONNECTION

#326
20100329527
2010-12-30

System and apparatus for frequency translation of magnetic resonance (MR) signals

#327
20100321085
2010-12-23

System and method for direct digitization of NMR signals

#328
20100315085
2010-12-16

Modular apparatus for magnetic resonance imaging

#329
20100289494
2010-11-18

System and method for variable mode-mixing in magnetic resonance imaging

#330
20100283462
2010-11-11

Tubular magnetic resonance surface coil, and method and system for processing signals therefrom

#331
20100260293
2010-10-14

Clock generation in MRI receivers

#332
20100259261
2010-10-14

MRI radio frequency receiver comprising digital down converter with connector that passes analog signal being contained within radio frequency receiver coil unit

#333
20100253346
2010-10-07

Upconverter

#334
20100253345
2010-10-07

Upconverter

#335
20100201365
2010-08-12

Method and arrangement to transmit magnetic resonance signals

#336
20100166279
2010-07-01

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

#337
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

#338
20100117650
2010-05-13

Amplifier

#339
20100117649
2010-05-13

Wireless magnetic resonance imaging apparatus generating synchronized clock-regenerated signals and video

#340
20100117643
2010-05-13

Wireless magnetic resonance imaging upconversion stage with a paramagnetic amplifier and delay line converting RF signals to microwave signals

#341
20100090699
2010-04-15

POWER SUPPLY FOR RF COILS

#342
20100090697
2010-04-15

Method of performing MRI with an atomic magnetometer

#343
20100072997
2010-03-25

Magnetic resonance system with transmission of a digitized magnetic resonance signal across an air gap

#344
20100066373
2010-03-18

Local coil facility for magnetic resonance tomography apparatus

#345
20100052958
2010-03-04

SAMPLE-DEPENDENT AMPLIFICATION OF MAGNETIC RESONANCE SIGNAL

#346
20100021032
2010-01-28

Digitized MR signal data encoding with dynamically variable bit rate

#347
20100001726
2010-01-07

Magnetic resonance imaging apparatus and receiving-path switching method

#348
20100001725
2010-01-07

MRI system with direct digital receiver using resampling

#349
20090286478
2009-11-19

Arrangement to transmit magnetic resonance signals

#350
20090278537
2009-11-12

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

#351
20090267601
2009-10-29

RF receive coil assembly with individual digitizers and means for synchronization thereof

#352
20090237079
2009-09-24

Magnetic resonance device and method for energizing receiving units

#353
20090230966
2009-09-17

Methods and apparatuses for connecting receive coils in magnetic resonance imaging scanners

#354
20090224763
2009-09-10

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

#355
20090206840
2009-08-20

MAGNETIC RESONANCE RECEIVE COIL ARRAY INTEGRATED INTO WALL OF SCANNER BORE

#356
20090137898
2009-05-28

Arrangement to transmit digital signals in a magnetic resonance apparatus

#357
20090121717
2009-05-14

RF antenna with integrated electronics

#358
20090096455
2009-04-16

Arrangement to transmit magnetic resonance signals via multiplexed multiplexer reception branches

#359
20090096447
2009-04-16

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

#360
20090085565
2009-04-02

Parametric nuclear quadrupole resonance spectroscopy system and method

#361
20090067697
2009-03-12

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

#362
20090030305
2009-01-29

MR coil with fiber optical connection

#363
20090027054
2009-01-29

Radio-frequency acquisition device for a magnetic resonance tomography apparatus

#364
20080309341
2008-12-18

Arrangement for receiving and/or transmitting RF signals especially in a MRI system

#365
20080258732
2008-10-23

MRI apparatus and RF pulse generating circuit

#366
20080258731
2008-10-23

High impedance differential input preamplifier and antenna for MRI

#367
20080258730
2008-10-23

Nuclear magnetic resonance (NMR) probe

#368
20080246477
2008-10-09

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

#369
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

#370
20080211498
2008-09-04

Integrated system of MRI RF loop coils plus spacing fixtures with biocontainment uses

#371
20080211496
2008-09-04

MRI apparatus

#372
20080204027
2008-08-28

Magnetic resonance receive coil with dynamic range control

#373
20080191695
2008-08-14

MRI system comprising a scan room interface for A/D-conversion of MR signals between a receiver coil unit and a remote signal processing unit

#374
20080187203
2008-08-07

Magnetic resonance imaging apparatus, image processing apparatus, computer program product, and data storing method

#375
20080174397
2008-07-24

High quality factor, low volume, air-core inductor

#376
20080169816
2008-07-17

Device and method for optical transmission of magnetic resonance signals in magnetic resonance systems

#377
20080164879
2008-07-10

Arrangement for signal conversion

#378
20080146907
2008-06-19

Integrated optical link for MR system

#379
20080143459
2008-06-19

Magnetic resonance compatible device and a method of conducting a high frequency power signal between regions of the device

#380
20080136415
2008-06-12

Integrated capacitor shield for balun in MRI receivers

#381
20080136414
2008-06-12

Integrated low noise amplifier and balun for MRI receivers

#382
20080100297
2008-05-01

High frequency coil device

#383
20080061783
2008-03-13

Passively damped magnetic resonance (MR) detection configuration

#384
20080042651
2008-02-21

HIFU-compatible reception coil for MRI RF signals and signal receiving method

#385
20070259630
2007-11-08

Controller for a radio-frequency amplifier

#386
20070229080
2007-10-04

Electro-Optical Magnetic Resonance Transducer

#387
20070224698
2007-09-27

System and method for direct digitization of NMR signals

#388
20070222448
2007-09-27

Parametric nuclear quadrupole resonance spectroscopy system and method

#389
20070188175
2007-08-16

Self-shielded packaging for circuitry integrated with receiver coils in a imaging system

#390
20070182409
2007-08-09

Wireless MR receiving coil system

#391
20070159243
2007-07-12

Circuit and method for amplification of an electrical input signal

#392
20070146104
2007-06-28

Active radio frequency coil providing negative resistance for high field magnetic resonance imaging

#393
20070070245
2007-03-29

Burst noise canceling apparatus

#394
20070069842
2007-03-29

MRT device

#395
20070010733
2007-01-11

Method and apparatus for digital quadrature lock-in detection in magnetic resonance

#396
20060285735
2006-12-21

Method and device for controlling image data acquisition and image reconstruction

#397
20060244452
2006-11-02

Magnetic resonance imaging receive chain with dynamic gain and wireless receiver coil

#398
20060238195
2006-10-26

Efficient mapping of reconstruction algorithms for magnetic resonance imaging onto a reconfigurable reconstruction system

#399
20060214662
2006-09-28

MRI apparatus, signal selection method in MRI apparatus, and MRI method in magnetic resonance imaging apparatus

#400
20060132127
2006-06-22

Parametric nuclear quadrupole resonance spectroscopy system and method

#401
20060103386
2006-05-18

MR receiver assembly having readout cables capable of multiple channel transmissions

#402
20060100860
2006-05-11

Method and apparatus for transmission of signals

#403
20060087319
2006-04-27

Magnetic Resonance System Response Method

#404
20060066312
2006-03-30

Magnetic resonance system, receiver & method of generating detecting and digitizing analog MR signals solely within the MR shielded environment

#405
20060049825
2006-03-09

Electromagnetic wave transceiver apparatus and nuclear magnetic resonance analyzing apparatus using it

#406
20060033499
2006-02-16

Receive system for high q antennas in nqr and a method of detecting substances

#407
20060006867
2006-01-12

Magnetic resonance imaging apparatus and method

#408
20050099182
2005-05-12

Nuclear magnetic resonance apparatus having a controllable detector

#409
20050093545
2005-05-05

Method and apparatus for quadrature detection and MRI system

#410
20050017716
2005-01-27

Method of enhancing an MRI signal

#411
20050001680
2005-01-06

Low-noise preamplifier, in particular, for nuclear magnetic resonance (NMR)

#412
20050001620
2005-01-06

Gain adjustment method and magnetic resonance imaging apparatus

#413
17716230
2023-09-05

System and method for stabilizing surface coil

#414
16410436
2020-05-12

Method and device for simultaneous Tx/Rx in strongly coupled MRI coil loops

#415
15143498
2019-05-14

Device and method for simultaneous TX/RX in strongly coupled MRI coil loops

#416
15017191
2017-04-11

Magnetic resonance system and method employing a digital squid