Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
10/1993
10/07/1993DE4211548A1 Two=dimensional testing of current distribution in printed circuit board - using array of magnetoresistive sensors, each having screening part shaped to define detection depth
10/07/1993DE4210905A1 Magnetic field sensor with acoustic indicator - uses magnetic field dependent sensor which transmits acoustic signal proportional to strength or direction of magnetic field
10/06/1993EP0563651A1 Method for improving the resolution of solid-state NMR multiple-pulse imaging systems using second averaging
10/06/1993EP0563650A1 Method for improving the resolution of solid-state NMR multiple-pulse imaging systems
10/06/1993EP0563647A1 Method for the construction of an optimized magnet coil
10/06/1993EP0563630A1 Magnetic field sensor with split collector contacts for high sensitivy
10/06/1993CN1022348C Superconductive magneto-resistive device
10/05/1993US5250902 Reduction of gradient coil interaction with room temperature shims
10/05/1993US5250901 Open architecture iron core electromagnet for MRI using superconductive winding
10/05/1993US5250900 NMR investigation of repeated electromagnetic events
10/05/1993US5250899 Method for fat suppression in magnetic resonance imaging
10/05/1993US5250898 Method and means for magnetic resonance imaging and spectroscopy using pulsed saturation transfer contrast
10/05/1993US5250285 Hydroxy-aryl metal chelates for diagnostic NMR imaging
10/05/1993US5250284 Method for increasing nuclear magnetic resonance signals in living biological tissue using zinc
09/1993
09/30/1993WO1993019386A1 Dor nmr sample spinner
09/30/1993WO1993019381A1 Method and apparatus for measuring ac susceptibility and dc magnetization of a sample
09/30/1993WO1993019380A1 Magnetic interferometer
09/30/1993WO1993018707A1 Magnetic field generator for mri
09/30/1993CA2132717A1 Magnetic interferometer
09/30/1993CA2109839A1 Dor nmr sample spinner
09/29/1993EP0563019A1 Magnetic cores for saturable core measuring devices and methods of manufacturing such cores
09/29/1993EP0562865A1 Magnetic resonance spectroscopy sample spinning apparatus with mechanical bearing
09/29/1993EP0562791A1 Gradient amplifier system employing a combination of linear amplifiers and DC power sources
09/29/1993EP0562708A1 Superconducting magnet assemblies
09/29/1993EP0562707A1 Magnetic resonance apparatus and methods
09/29/1993EP0441862B1 Magnetic field generating assembly
09/29/1993EP0363370B1 A roll-independent magnetometer system
09/28/1993US5248943 Multi-view coil bandpass filter array system
09/28/1993US5248942 Method of exciting a sample for nmr tomography
09/28/1993US5248941 Superconducting magnetic field sensing apparatus having digital output, on-chip quantum flux packet feedback and high bias margins
09/28/1993US5248492 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions
09/28/1993US5247936 Magnetic resonance imaging method and apparatus reversing white and black
09/28/1993US5247935 Magnetic resonance guided focussed ultrasound surgery
09/28/1993US5247934 Method and apparatus for diagnosing osteoporosis with MR imaging
09/28/1993CA1322597C Magnetoresistive sensor
09/26/1993CA2092260A1 Magnetic cores for saturable core measuring devices and methods of manufacturing such cores
09/22/1993EP0561628A1 Gradient moment nulling in a fast spin echo NMR pulse sequence
09/22/1993EP0561552A2 A magnetic field generator, a persistent current switch assembly for such a magnetic field generator, and the method of controlling such a magnetic field generator
09/22/1993EP0560893A1 System for logging a well during the drilling thereof.
09/22/1993EP0378628B1 Process and device for generating a sequence of spin echo signals, and use thereof in nuclear spin tomography
09/22/1993CN2142596Y Nd-Fe-B magnet for permanent magnet type nuclear magnetic resonance spectrometer
09/21/1993US5247278 Magnetic field sensing device
09/21/1993US5247256 Rf receiver coil arrangement for nmr spectrometers
09/21/1993US5247255 Nuclear magnetic resonance spectroscopy method
09/21/1993US5247254 Data recording system incorporating flaw detection circuitry
09/21/1993US5247202 Plurality of arrangements each including an ic magnetic field sensor and two ferromagnetic field concentrators, and a procedure for incorporating each arrangement into a package
09/16/1993WO1993018415A1 Image neurography and diffusion anisotropy imaging
09/16/1993WO1993018414A1 Data recording system incorporating flaw detection circuitry
09/15/1993EP0560681A1 Organic material for use in a magnetometer and probe for magnetometer with electron paramagnetic resonance (EPR) using this material
09/15/1993EP0560621A2 System and method for noiseless measurement of a biomagnetic field
09/15/1993EP0560397A1 Method and apparatus for non-invasive measurement of temperature distribution within target body using nuclear magnetic resonance imaging
09/15/1993EP0560396A2 Nuclear magnetic resonance imaging with improved image quality and operation efficiency
09/15/1993EP0560350A2 Magneto-resistance effect element
09/15/1993EP0560168A1 Pulse sequence for a nuclear magnetic resonance apparatus
09/15/1993CN1022142C Magnetoresistive sensor based on spin valve effect
09/14/1993US5245306 Actively shielded magnet for magnetic resonance apparatus
09/14/1993US5245288 Magnetic resonance examination apparatus with wireless transmission of spin resonance signals from high frequency coil system processing unit
09/14/1993US5245287 Nuclear magnetic resonance tomography apparatus having a resonant circuit for generating gradient fields
09/14/1993US5245286 Apparatus and method for stabilizing the background magnetic field during mri
09/14/1993US5245285 Probe for magnetic resonance inspection apparatus
09/14/1993US5245284 Method for editing CPMAS solid-state NMR spectra
09/14/1993US5245283 Technique for shifting out-of-slice artifacts to the edge of the field of view
09/14/1993US5245282 Three-dimensional magnetic resonance imaging
09/14/1993US5245281 Nmr imaging method
09/14/1993US5245280 Magnetic resonance magnetometer with multiplexed exciting windings
09/14/1993US5245278 Device for the processing of a signal coming from a sensor with a derivative type of response
09/14/1993CA1322220C In-vivo method for determining and imaging temperature of an object/subject from diffusion coefficients obtained by nuclear magnetic resonance
09/09/1993DE4304516A1 Determining characteristic field distribution of interference source - using measurement signal e.g. from multi-channel SQUID gradiometer to form average and correlation values, and normalising
09/09/1993DE4207288A1 Static and varying magnetic field measuring device - detects premagnetisation of core probe which also carries current generated by alternating magnetic field
09/08/1993EP0558661A1 Polyazamacrocyclic compounds for complexation of metal ions.
09/08/1993EP0532704A4 Shielded gradient coil for nuclear magnetic resonance imaging
09/07/1993US5243403 Three-axis fiber optic vector magnetometer
09/07/1993US5243316 Magnetoresistance effect element
09/07/1993US5243289 Multiply-tuned probe for magnetic resonance imaging or spectroscopy
09/07/1993US5243288 Multiple coil type magnetic resonance imaging system including filters with different passbands
09/07/1993US5243287 Dynamically detuned NMR field coil
09/07/1993US5243286 Split shield for magnetic resonance imaging
09/07/1993US5243285 Method and arrangement for two-dimensional nuclear magnetic resonance spectroscopy
09/07/1993US5243284 Method of magnetic resonance reconstruction imaging from projections using partial data collected in k-space
09/07/1993US5243283 Method of nuclear magnetic resonance angiographic imaging with reduced imaging operation time
09/07/1993US5243282 Detector system for detecting a target material in a sample
09/07/1993US5243281 Multi-channel magnetic flux detector comprising a magnetometer modular construction in a vessel containing a cooling medium
09/07/1993US5243280 Magnetic sensor and position detector
09/07/1993US5243279 Angular position detector employing magnetoresistors positioned in pairs at an electrical angle of one hundred and eighty degrees
09/07/1993US5242681 Nuclear magnetic analysis images and chelates
09/07/1993US5242455 Imaging fixation and localization system
09/07/1993CA1322003C Dipyridoxyl phosphate nmri contrast agents
09/02/1993WO1993017352A1 Method to enhance the sensitivity of mri for magnetic susceptibility effects
09/02/1993DE4306012A1 Nuclear magnetic resonance tomographic imaging system - has CPU and controller for controlling gradient magnetic field and HF pulse sources to produce preset pulse sequence with different repetition time adjusted for intensity range of coded gradient field
09/02/1993CA2131018A1 Method to enhance the sensitivity of mri for magnetic susceptibility effects
09/01/1993EP0558029A2 Method and apparatus for ultrasonic wave medical treatment using computed tomography
09/01/1993EP0557711A1 Method for generating coherent phase profile NMR signals through combined RF impulses with incoherent phase profiles
09/01/1993EP0286677B1 Nmr imaging method
08/1993
08/31/1993US5241272 Circularly polarizing local antenna for a nuclear magnetic resonance imaging apparatus
08/31/1993US5241271 Ultra-fast imaging method and apparatus
08/31/1993US5241269 Apparatus and method for measuring hysteresis characteristics in a high frequency range
08/31/1993US5240001 Method for determining moving material in a body
08/25/1993EP0557090A2 Optical magnetic field sensor
08/25/1993EP0557083A2 Quantitative measurement of blood flow at multiple positions using comb excitation and fourier velocity encoding
08/25/1993CN1075554A Device for measuring magnetism of hard magnetic material