Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
06/1992
06/24/1992EP0396617B1 Paramagnetic compounds
06/23/1992US5124652 Gradient coil used to obtain field homogeneity
06/23/1992US5124651 Nuclear magnetic resonance scanners with composite pole facings
06/23/1992US5124650 Magnetic resonance data acquisition from localized volumes
06/23/1992US5124649 Magnetic resonance imaging with selective phase encoding averaging
06/23/1992US5124648 Single winding saturable core magnetometer with field nulling
06/23/1992CA1304126C Gradient and polarizing field compensation
06/20/1992CA2056844A1 Magnetoresistor angular position sensor
06/17/1992EP0490880A2 Negative feedback power supply apparatus
06/17/1992EP0490608A2 Magnetoresistive sensor
06/17/1992EP0490528A1 Correction of NMR data acquired by an echo-planar technique
06/17/1992EP0490327A1 Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
06/17/1992EP0490309A2 Magnetic field sensor
06/17/1992EP0489903A1 Rapid pulse magnetic resonance analysis
06/17/1992EP0489869A1 Hydroxy-aryl metal chelates for diagnostic nmr imaging
06/16/1992US5122749 Magnetic resonance imaging apparatus
06/16/1992US5122748 Method and apparatus for spatial localization of magnetic resonance signals
06/16/1992US5122747 Spiral three-dimensional fourier transform NMR scan
06/16/1992US5122746 Hydrocarbon gas measurements using nuclear magnetic resonance
06/16/1992US5122745 Method and apparatus for determining molecular dynamics of materials
06/16/1992US5122744 Gradiometer having a magnetometer which cancels background magnetic field from other magnetometers
06/16/1992US5122743 Apparatus and method of non-destructively testing ferromagnetic materials including flux density measurement and ambient field cancellation
06/16/1992US5122725 Negative feedback power supply apparatus
06/16/1992US5122472 Chalcogen-based chiral reagents and method for nuclear magnetic resonance detection of stereochemical assignments and enantiomeric ratios
06/11/1992WO1992009901A1 Apparatus and technique for nmr diffusion measurement
06/11/1992WO1992008147A3 High temperature nmr sample spinner
06/11/1992DE4139212A1 Multichannel SQUID magnetometer using single voltage source - has basic current distribution network switching SQUIDs within vessel filled with liq. helium in series with resistors
06/11/1992DE4039365A1 NMR magnet for highly homogeneous magnetic field - uses at least one superconducting magnetic coil in first chamber of cryostat in deep cooled liquid helium
06/11/1992DE4039332A1 NMR magnet with superconducting coil in supercooled helium bath - is kept at atmospheric presure and with temp. of supercooled helium in first cyrostat chamber less than 4.2 k with cryostat having at least one further chamber
06/11/1992DE4039129A1 Cooling appts. for SQUID measurement device
06/10/1992EP0489578A1 Apparatus and technique for NMR diffusion measurement
06/10/1992EP0489312A1 Apparatus for making section images with nuclear magnetic resonance
06/10/1992EP0489274A1 Optical fiber sensor with localized sensing regions
06/09/1992US5121060 Magnetic field homogenization in NMR spectroscopy
06/09/1992US5121059 Magnetic resonance spectroscopie imaging method
06/09/1992US5121057 Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals
06/09/1992US5121055 Verification of the operation of a biomagnetometer
06/09/1992US5119816 EEG spatial placement and enhancement method
06/09/1992CA1303246C Magnetoresistor with accumulation layer
06/04/1992DE4139420A1 MRI device with actively screened gradient coil - has screen coils approximating eddy current distribution on imaginary cylindrical conductor
06/04/1992CA2054875A1 Optical fiber sensor with localized sensing regions
06/03/1992EP0488496A2 Noninvasive myocardial motion analysis using phase contrast MRI maps of myocardial velocity
06/03/1992EP0488464A1 Magnetic resonance apparatus comprising a superconducting shielding magnet
06/03/1992EP0488445A1 Magnetic resonance apparatus
06/03/1992EP0488200A1 Sheet for assisting in NMR diagnosis
06/03/1992EP0488167A2 Magnetic detector, coordinate input device and magnetic image sensor using Mateucci effect
06/03/1992EP0488015A1 Magnet system for a homogeneous field with at least one mechanically adustable polar piece
06/03/1992EP0329652B1 Device for measurement of a magnetic field which is constant or varies over time
06/02/1992US5119255 Magnetic saturation controlled scanning magnetic transducer
06/02/1992US5119057 Optimum design of two-dimensional permanent magnets
06/02/1992US5119027 Nuclear magnetic resonance imaging method
06/02/1992US5119026 Magnetic resonance imaging apparatus
06/02/1992US5119025 High-sensitivity magnetorresistive magnetometer having laminated flux collectors defining an open-loop flux-conducting path
06/02/1992US5119024 Optical device for sensing magnetic inductions
06/02/1992CA1302478C Ship's magnetic self-ranging system
05/1992
05/29/1992WO1992008996A1 Nmr frequency locking circuit
05/29/1992WO1992008725A1 Polyazamacrocyclic compounds for complexation of metal ions
05/27/1992EP0487441A1 Monitoring vital physiological parameters of a patient during NMR imaging examination
05/27/1992EP0487201A1 Magnetic resonance imaging apparatus and methods
05/27/1992EP0486564A1 Electron spin resonance spectrometers
05/27/1992DE4037930A1 Physical characterisation of magnetic liqs. - by measuring magnetic polarisation, susceptibility and kinetic viscosity under different conditions
05/27/1992CN1016816B Dc current sensor
05/26/1992US5117188 Quasi-open magnet configuration for use in magnetic resonance imaging
05/26/1992US5117187 Localized multi-region magnetic resonance data acquisition
05/26/1992US5117186 Method for increasing resolution in two-dimensional solid-state nmr heteronuclear correlation spectra
05/26/1992US5115812 Magnetic resonance imaging method for moving object
05/26/1992CA1301475C Magnetic amplifier
05/22/1992WO1992009884A1 Alkoxyamide derivatized chelates for mri
05/22/1992CA2096543A1 Alkoxyamide derivatized chelates for mri
05/21/1992DE4037052A1 Detector registering temporary change in current - has bistable magnetic core coupled to excitation, control and sensor coils
05/21/1992DE4036715A1 NMR spectroscopy using HF pulse sequence - uses HF magnetic field with larmor frequency of substance to be detected e.g. for coupled atomic groups such as lactate
05/20/1992EP0486086A1 Quadrature coils system
05/20/1992EP0485509A1 ECHO PLANAR IMAGING USING 180o PULSES
05/19/1992US5115197 Fluxgate sensor having adjustable core extending beyond a coil winding and a gradiometer incorporating a pair of sensors
05/19/1992US5113865 Method and apparatus for correction of phase distortion in MR imaging system
05/19/1992CA1301248C Magnetic resonance imaging
05/19/1992CA1301063C Biologically degradable superparamagnetic materials for use in clinicalapplications
05/14/1992WO1992008226A1 Unshielded horizontal magnetoresistive head and method of fabricating same
05/14/1992WO1992008147A2 High temperature nmr sample spinner
05/14/1992WO1992008146A1 Multi-resonant nmr coils
05/14/1992WO1992008125A1 Method for detecting fuel dilution of marine lubricating oils
05/14/1992DE4035696A1 Computer tomography measuring system - has individual measuring channels within common housing coupled via PCB to electronic evaluation stage
05/13/1992EP0484859A2 System for sensing changes in a magnetic field, and fabrication method
05/13/1992EP0303639B1 Method and apparatus for nmr imaging
05/12/1992US5113420 Method and apparatus for positioning a sample with repeatable accuracy
05/12/1992US5113166 Magnetic field gradient coil system
05/12/1992US5113138 Carbon mr spectroscopy method and device for performing the method
05/12/1992US5113137 Method and apparatus for reducing image noises
05/12/1992US5113136 Gradiometer apparatus with compensation coils for measuring magnetic fields
05/12/1992US5113135 Critical field and continuity testing method and device for superconducting materials using the change in internal area of a superconducting loop
05/12/1992US5111820 System and method for magnetic resonance imaging of 3-dimensional heart wall motion with spatial modulation of magnetization
05/12/1992US5111819 Nmr imaging of metabolites using a multiple quantum excitation sequence
05/07/1992DE4133606A1 Multichannel detection unit for weak esp. biomagnetic field source - is provided with SQUID magnetometer in each detection channel switching part of signal processing electronic circuit and counter coupling branch
05/06/1992EP0483698A1 Sensor position indicator coils to be used in magnetoencephalographic experiments and a means of attaching them to the head
05/06/1992EP0483369A1 Device for sensing magnetism
05/06/1992EP0326572B1 Cylindrical permanent magnet with longitudinal induced field
05/06/1992CN1060926A Direct current superconducting quantum interference device and manufacturing method for same
05/05/1992US5111147 Gradient coil system for nmr machines
05/05/1992US5111146 Coil system for volume-selective magnetic resonance spectroscopy
05/05/1992US5111145 Method and apparatus for studying the properties of a material