Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
05/1991
05/15/1991EP0427196A1 Hall IC formed in GaAs substrate
05/15/1991EP0426851A1 Apparatus for detecting particular substance
05/15/1991EP0426746A1 Improvements in or relating to reducing the strength of electro-magnetic fields
05/14/1991US5015956 Magnetic resonance tomography method for determining the nuclear magnetization in a number of parallel slices
05/14/1991US5015955 Magnetic resonance methods
05/14/1991US5015954 Magnetic resonance analysis in real time, industrial usage mode
05/14/1991US5015953 Magnetometer for detecting DC magnetic field variations
05/08/1991WO1991006847A1 Nmr thermal analyser
05/08/1991EP0425611A1 A process for recording spin resonance spectra and displaying spin resonance.
05/08/1991CA2067107A1 Nmr thermal analyser
05/07/1991US5014147 Magnetoresistive sensor with improved antiferromagnetic film
05/07/1991US5014032 Cylindrical permanent magnet with longitudinal induced field
05/07/1991US5014007 Nuclear magnetic resonance imaging method and apparatus
05/07/1991US5014006 Thin film magnetic core device with a pair of magnetic circuits for measuring a weak magnetic flux
05/07/1991US5014005 Hall-effect sensor with component positioning element for detecting crankshaft angle
05/07/1991US5012669 Oxygen sensing method and apparatus
05/07/1991CA1283950C Laser pumped helium magnetometer
05/02/1991EP0425383A1 Bottle with double-wall for NMR probe
05/02/1991EP0424912A2 Region extracting method and three-dimensional display method
05/02/1991EP0424808A1 Magnetic resonance imaging apparatus
05/02/1991EP0424600A1 Magnet apparatus for use in a magnetic resonance imaging system
05/02/1991EP0203962B1 Diamide-dtpa-paramagnetic contrast agents for mr imaging, apparatus and methods
05/02/1991DE4031955A1 Low-temp. cooling of tubular electric conductors of induction coils - with conductor acting as evaporator tube, for particle accelerators, magnetic tomography, and induction heating, uses waste-heat
04/1991
04/30/1991US5012217 Integrated active shielded magnet system
04/30/1991US5012192 Gradient coil system for a nuclear resonance tomography apparatus
04/30/1991US5012191 Gradient coil system for a nuclear magnetic resonance tomography apparatus
04/30/1991US5012190 Apparatus for multi-channel measurement of weak magnetic fields with squids and superconducting gradiometers on individual detachable assemblies, and method of manufacture
04/30/1991US5011818 Sensing a magnetic field with a super conductive material that exhibits magneto resistive properties
04/30/1991US5010653 Apparatus and method for determining azimuth, pitch and roll
04/28/1991CA2028331A1 Double-walled bottle for nmr probe
04/24/1991EP0423927A2 Monitoring system for detecting quench
04/24/1991EP0381742A4 Receptor mediated endocytosis type mri contrast agents
04/23/1991US5010300 Multi-axis pre-saturated spin echo phase encoded spectroscopy
04/23/1991US5010263 Hall effect type sensing device
04/20/1991WO1991006963A1 Optimum design of two dimensional permanent magnets
04/20/1991CA2067812A1 Optimum design of two-dimensional permanent magnets
04/18/1991WO1991005273A1 Radiation source for helium magnetometers
04/18/1991WO1991004968A1 Chalcogen-based chiral reagents and method for nuclear magnetic resonance detection of stereochemical assignments and enantiomeric ratios and method for synthesizing said reagents
04/17/1991EP0423038A1 Method for authentication of an object by means of electron spin resonance, apparatus for implementing this method and object to be used with it
04/17/1991EP0423033A1 Process for the polarisation of the nuclei of asolvent usable in magnetometry or gyrometry at a temperature of 30oC to 130oC, process for the preparation of nitroxide radicals used in this process, and magnetometer probe using this process
04/17/1991EP0422985A1 Process and device for the detection of earth magnetic field inversions by measurements in a borehole
04/17/1991EP0422761A2 Electron spin resonance system
04/17/1991EP0422396A1 Apparatus and method for calculating coordinate data of desired point in subject to be examined
04/17/1991EP0422172A1 Process for recording nuclear-resonance spectra.
04/17/1991EP0422170A1 A process for recording spin resonance spectra.
04/17/1991EP0422131A1 Inhomogeneity detection system
04/17/1991EP0421983A1 Weak-link superconductor loop device
04/16/1991US5008624 Nuclear magnetic resonance imaging apparatus for arbitrary patient posture
04/16/1991US5008622 Superconductive imaging surface magnetometer
04/16/1991US5008621 Multiparameter magnetic inspection system with magnetic field control and plural magnetic transducers
04/16/1991US5008612 Current sensor
04/16/1991US5007426 Method for depiction of moving parts in a body by nuclear magnetic resonance experiment
04/16/1991US5007425 Patient and coil support structure for magnetic resonance imagers
04/14/1991CA2027327A1 Process for the polarization of the nuclei of a solvent usable in magnetometry or geometry at a temperature of 30 to 130 c, process for the preparation of the nitroxide radicals used in this process and magnetometer probe using said proces
04/11/1991DE4029477A1 Tesseral gradient coil for nuclear spin tomography device
04/11/1991DE3932648A1 Local coil for NMR tomography - has PIN=diode as separating diode in both upper and lower U=shaped parts for decoupling from whole body antenna in receiving circuit
04/10/1991EP0421783A2 Testing of laminated magnetic cores
04/10/1991EP0420915A1 Spectroscopy methods
04/09/1991US5006805 Surface coil arrangement for use in a nuclear magnetic resonance apparatus
04/09/1991US5006804 Method of optimizing shim coil current selection in magnetic resonance magnets
04/09/1991US5006803 Nuclear magnetic resonance apparatus with surface coil detection
04/09/1991US5006802 Magnetic detection method and device for the implementation thereof
04/09/1991US5005578 Three-dimensional magnetic resonance image distortion correction method and system
04/09/1991CA1282829C Method and apparatus for generating and detecting magnetization response from ferromagnetic, ferrimagnetic paramagnetic, or diamagnetic materials
04/07/1991WO1991004706A1 Nmr apparatus and method for detecting cancer
04/07/1991CA2067357A1 Nmr apparatus and method for detecting cancer
04/06/1991CA2026609A1 Testing of laminated magnetic cores
04/04/1991DE3931854A1 Laser radiation treatment equipment for NMR tomograph for tumours - uses tumour location and multiplanar X=ray device enabling therapy fibres to be placed in tumour and coagulation
04/04/1991DE3931542A1 Optical magnetic field sensor using Faraday effect - measures rotation of polarisation plane of light passed through magnetic field
04/04/1991DE3931540A1 Optical polarisation analyser - separates input light into measurement beams which are further divided by polarisation beam dividers before intensity is measured
04/02/1991US5005064 Device for detecting magnetism
04/02/1991US5004984 Inductive
04/02/1991US5004983 Circuit arrangement for generating rf signals for MR examinations
04/02/1991US5004726 Apparatus and methodology for the non-contact testing of materials for superconductivity by detecting odd harmonics above a threshold
04/02/1991US5004724 Measurement Of Defects And Flaws In Metal Shapes
04/02/1991US5003979 System and method for the noninvasive identification and display of breast lesions and the like
04/02/1991CA1282457C Magnetic field screens
03/1991
03/27/1991EP0419040A1 Speed/position sensor based upon magnetoresistive effect
03/27/1991EP0418848A2 Sensor for the measurement of magnetic flux
03/27/1991EP0418675A2 Nuclear magnetic resonance multi-echo imaging method and apparatus
03/26/1991US5003276 Method of site shimming on permanent magnets
03/26/1991US5003266 Passively improving magnetic field homogeneity
03/26/1991US5003265 Magnetic resonance imaging apparatus comprising an RF coil system
03/26/1991US5003264 MR imaging method and apparatus
03/26/1991US5003263 Image reconstruction method for a magnetic resonance imaging device and a device for realizing same
03/21/1991DE4027049A1 Defining current paths through electric-electronic components - using soft magnetic layer located near component surface and contrast forming microscope to monitor magnetisation in component surface
03/21/1991DE3930902C1 Fibre optic sensor for different physical parameters - has resonant vibrating tongue clamped at one side, with excitation and measurement light wave conductors
03/20/1991EP0418074A2 Gradient current speed-up circuit for NMR system
03/20/1991EP0417284A1 Separative imaging method for water and fat by mri
03/20/1991EP0417133A1 Nmr-spectrometer with sample exchanger.
03/20/1991EP0332634A4 Apparatus and method for multiple angle oblique magnetic resonance imaging
03/19/1991US5001586 Very low noise magnetoresistive sensor for high density media applications
03/19/1991US5001448 Shield for a magnet
03/19/1991US5001447 Ferromagnetic compensation rings for high field strength magnets
03/19/1991US5001429 Removal of truncation artifacts in NMR imaging
03/19/1991US5001428 Method for mapping the RF transmit and receive field in an NMR system
03/19/1991US5001427 Broadband spin-locking method
03/19/1991US5001426 Magnetometer for measuring the magnetic moment of a specimen
03/19/1991US5001425 Ferromagnetic object detector with comparison of signal maximums from a pair of detection coils
03/19/1991US5000182 Cardiac synchronization magnetic resonance imaging