Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
01/1991
01/01/1991US4982160 Method and system for controlling magnetic resonance signal acquisition sequence
01/01/1991US4982159 Image distortion correcting method applied to an NMR imaging apparatus
01/01/1991US4982158 Method and apparatus for magnetic detection of flaws
01/01/1991US4982157 Superconducting gradiometer loop system of a multichannel measuring device
01/01/1991US4982155 Hall sensor with high pass hall voltage filter
01/01/1991US4982088 Method and apparatus for highly sensitive spectroscopy of trapped ions
01/01/1991US4981137 Tomograph of a patient
01/01/1991US4981136 Nuclear magnetic resonance apparatus for evaluating muscle efficiency and maximum power of muscle of a living animal
12/1990
12/27/1990EP0404592A1 NMR probe with multiple isolated coplanar surface coils
12/27/1990EP0404549A2 Material detection
12/27/1990EP0404461A1 Gradient coil assemblies for generating magnetic field gradients across a region
12/27/1990EP0404405A2 Superconducting device
12/27/1990EP0404248A2 N.M.R. imaging method
12/27/1990EP0265487A4 Magnetically controlled scanning magnetic head tracking control system
12/27/1990EP0120927B1 Nmr imaging apparatus
12/25/1990USRE33505 Scan room for magnetic resonance imager
12/25/1990US4980641 Method and apparatus of reducing magnetic hysteresis in MRI systems
12/25/1990US4980640 Method of and device for determining spectrum parameters of a spectrum related to spectroscopic signals
12/25/1990US4979519 Head positioning system for accurate cranial alignment and dimension in magnetic resonance
12/25/1990US4979512 Pulse sequence with non-constant scan repetition time for a nuclear magnetic resonance tomography apparatus
12/20/1990CA2019009A1 Superconducting device
12/19/1990EP0402548A1 Magnetic field generating device for ESR system
12/18/1990US4978938 Sensor
12/18/1990US4978920 Magnetic field screens
12/18/1990US4978919 Measurement and calibration of eddy currents for magnetic resonance imagers
12/18/1990US4978918 Magnetic resonance imaging method
12/18/1990US4978916 Method for magnetically characterizing the recording layer of a magnetic information carrier, and apparatus for performing the method
12/18/1990CA1278027C Device for correcting the magnetic field inhomogeneities in a magnet by means of magnetic elements
12/13/1990DE4017260A1 Mfg. gradient coil arrangement for MRI - achieving high coil position accuracy using removable formers, adhesive and setting resin
12/12/1990EP0402271A2 Magnetic field sensitive semiconductor device
12/12/1990EP0401983A1 Thin film device for rotational magnetic flux conduction
12/12/1990EP0401917A2 High-frequency quadrature coil system
12/12/1990EP0401908A1 Magnetic resonance method and device for acquiring short echo time images
12/12/1990EP0401429A1 Magnetic resonance method and device for acquiring short echotime images
12/12/1990EP0401420A1 Screening device in a cryostat for a superconductive magnetometer apparatus
12/12/1990EP0401361A1 Efficient remote transmission line probe tuning for nmr apparatus
12/12/1990EP0326557A4 Electron spin resonance spectrometer
12/12/1990EP0257042A4 Method and apparatus using a stationary saturable member for transferring signals relative to a magnetic storage medium
12/12/1990EP0248897A4 Method and apparatus for magnetic transducing
12/11/1990US4977369 Ferromagnetic measuring apparatus
12/05/1990EP0400922A1 Magnetic field generating apparatus
12/05/1990EP0400733A2 Coils for volume selective NMR spectroscopy
12/05/1990EP0400142A1 Thin film magnetic element having a rhombic shape.
12/05/1990EP0292542A4 Self-referencing magnetic resonance spectroscopy system
12/05/1990EP0218726B1 Method and apparatus for nuclear magnetic resonance for taking picture of cross section
12/05/1990CN2066993U High criticle temp. suporconducting thick film magnetic field gradient meter
12/04/1990US4975880 Memory system for storing data from variable numbers of input data streams
12/04/1990US4975644 Coil system for a magnetic resonance imaging system
12/04/1990CA1277404C Apparatus comprising raman-active optical fiber
11/1990
11/28/1990EP0399849A2 Position detection sensor
11/28/1990EP0399789A2 Fringe field MRI
11/28/1990EP0399499A2 Integrated-type squid magnetometer and system for biomagnetic measurements using the same
11/28/1990EP0399254A2 Magneto-electric transducer
11/28/1990EP0303604A4 Volume selected nmr spectroscopy
11/28/1990EP0156916B1 Photomagnetic recording and reproducing apparatus having device for detecting direction of magnetization of magnetic recording medium
11/27/1990US4974113 Shielding superconducting solenoids
11/27/1990US4973908 NMR probe with multiple isolated coplanar surface coils
11/27/1990US4973907 RF coil system having several surface coils
11/27/1990US4973906 Flow compensated NMR fast pulse sequence
11/27/1990US4973111 Parametric image reconstruction using a high-resolution, high signal-to-noise technique
11/27/1990US4972837 Paramagnetic metal chelate
11/27/1990US4972836 Motion detector for high-resolution magnetic resonance imaging
11/27/1990US4972699 Method and apparatus for analysis by means of microwaves
11/27/1990CA1276979C Magnetic field coils
11/22/1990EP0398440A1 Method of suppressing water resonance in a magnetic proton resonance spectrum, and device for performing such a method
11/22/1990EP0398156A2 Method and device for precooling the helium vessel of a cryostat
11/22/1990DE4014220A1 Transfer function unfolding during image generation - using NMR and Fourier transformation of divided measurement matrix, then addition of factored intermediate matrices
11/22/1990CA2017275A1 Fringe field mri
11/20/1990US4972148 Magnetic resonance tomography method and magnetic resonance tomography apparatus for performing the method
11/20/1990US4972147 Magnetic resonance method for obtaining selected spectra
11/20/1990US4972146 Saturble core device with DC component elimination for measuring an external magnetic field
11/20/1990US4971947 Superconductor magnetic reading and writing heads
11/20/1990US4971060 Apparatus worn by a patient to provide a geometric reference for medical diagnostic data obtained from the patient
11/15/1990WO1990013827A1 A process for recording spin resonance spectra and displaying spin resonance
11/15/1990WO1990013826A1 Process for recording nuclear-resonance spectra
11/15/1990WO1990013825A1 A process for recording spin resonance spectra
11/15/1990WO1990013824A1 Magnet system with superconducting field coils
11/14/1990EP0397574A1 Device for producing magnetic fields with a constant gradient component
11/14/1990EP0397573A1 Rectangular-parallelepipedal resonator for producing an RF magnetic field
11/14/1990EP0397126A2 Defect inspecting apparatus for disc-shaped information recording media
11/14/1990EP0396804A1 Surface coil for a nuclear spin resonance apparatus
11/14/1990EP0396710A1 Process for the selective excitation of nmr signals.
11/13/1990US4970465 Magnetic resonance imaging system and method
11/13/1990US4970457 MRI compensated for spurious rapid variations in static magnetic field during a single MRI sequence
11/13/1990US4970411 Arrangement for improving the longterm stability of a Hall element
11/13/1990US4969469 Paramagnetic dynamo electromotive force detector and imaging system incorporating same
11/07/1990EP0396381A2 Method and apparatus for dynamic magnetic field neutralization
11/07/1990EP0396019A2 Ion cyclotron resonance spectrometer
11/07/1990EP0395940A2 Apparatus for Propagating a quench in a superconducting magnet
11/07/1990EP0386199A4 Method for introducing oxygen-17 into tissues for imaging in a magnetic resonance imaging system
11/06/1990USRE33419 Cryostat assembly
11/06/1990US4968961 Superconducting magnet assembly with suppressed leakage magnetic field
11/06/1990US4968939 Method and apparatus for measuring the NMR spectrum of an orientationally disordered sample
11/06/1990US4968938 Method and sample spinning apparatus for measuring the NMR spectrum of an orientationally disordered sample
11/06/1990US4968937 Magnetic resonance methods and apparatus
11/06/1990US4968936 Antenna for a nuclear magnetic resonance imaging device
11/06/1990US4968935 Selective rephasing of NMR signals to suppress motion artifacts
11/06/1990US4968915 Cyclotron
11/06/1990US4967764 Pressure sensor element to measure contact stress
11/06/1990US4967605 Detector for force and acceleration using resistance element