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