| Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
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| 02/12/1991 | CA1280153C Conical unimpregnated winding for mr magnets |
| 02/11/1991 | CA2010679A1 Rf synthesizer for an nmr instrument |
| 02/09/1991 | WO1991002263A1 Echo planar imaging using 180° pulses |
| 02/07/1991 | WO1991001564A1 Superconducting homogeneous intense-field magnetic coil |
| 02/07/1991 | WO1991001503A1 Nmr-pet scanner apparatus |
| 02/06/1991 | EP0412071A2 Very low noise magnetoresistive sensor for high density media applications |
| 02/06/1991 | EP0411971A2 Arrangment for measuring the temporal variations of the three components of the local magnetic field and orientation of the arrangment with respect to the local vertical |
| 02/06/1991 | EP0411840A2 Radio frequency receiver for a NMR instrument |
| 02/06/1991 | EP0411801A2 Communication system with active noise cancellation |
| 02/06/1991 | EP0411792A2 Apparatus for testing hall effect device |
| 02/06/1991 | EP0411710A1 2-Quantum selective MR sequence for selectively determining a nuclear magnetisation of a metabolite |
| 02/06/1991 | CN2070914U Gate type megnetic force meter for testing magnetic flux |
| 02/06/1991 | CN1011546B Method of reducing mr image interference in off-centre images and device for performing method |
| 02/05/1991 | US4990879 Magnetic block with adjustable magnetization for producing a permanent magnetic field in a zone of interest |
| 02/05/1991 | US4990878 Superconducting magnet device |
| 02/05/1991 | US4990877 Passive shimming assembly for MR magnet |
| 02/05/1991 | US4990850 Ferromagnetic |
| 02/05/1991 | US4989608 Device construction and method facilitating magnetic resonance imaging of foreign objects in a body |
| 02/05/1991 | US4989574 Electromagnetic pickup |
| 02/05/1991 | CA1279819C Use of cross-linked hydrogel materials as image contrast agents in proton nuclear magnetic resonance tomography and tissue phantom kits containing such materials |
| 02/04/1991 | CA2010677A1 Radio frequency receiver for a nmr instrument |
| 01/30/1991 | EP0410856A1 Turbine with nutating and precessing rotor |
| 01/30/1991 | EP0410131A1 Near-field Lorentz force microscopy |
| 01/30/1991 | EP0409920A1 Device for interfacing mri with other imaging modalities |
| 01/30/1991 | EP0225390B1 Coil for nuclear magnetic resonance imaging diagnostic apparatus |
| 01/30/1991 | EP0160697B1 Nmr imaging method and apparatus |
| 01/29/1991 | US4988947 Amplitude and frequency/phase modulated pulses to achieve plane rotations of nuclear spin magnetization vectors with inhomogeneous B1 |
| 01/29/1991 | US4988850 Magnetoresistance element array |
| 01/29/1991 | CA1279695C Electrical coils |
| 01/24/1991 | DE3923456A1 Supraleitende homogene hochfeldmagnetspule Superconducting homogeneous high-field magnet coil |
| 01/23/1991 | EP0409421A2 Magnetic resonance imaging methods and apparatus |
| 01/23/1991 | EP0409310A2 Method and apparatus for edge detection in images |
| 01/23/1991 | EP0409292A2 Improvements in and relating to magnetic resonance imaging |
| 01/23/1991 | EP0140955B1 Baggage inspection apparatus and method for determining the presence of explosives |
| 01/22/1991 | US4987390 Superconducting reversible variable inductor |
| 01/22/1991 | US4987371 Method for in-vivo shimming |
| 01/22/1991 | US4987370 Rf quadrature coil system for an MRI apparatus |
| 01/22/1991 | US4987369 Method of and device for the volume-selective determination of an MR spectrum by means of selective polarization transfer pulse sequences |
| 01/22/1991 | US4986272 NMR imaging with variable repetition |
| 01/22/1991 | US4986256 Use of paramagnetic metalloporphyrins as contrast agents for tumors in MRI imaging |
| 01/22/1991 | US4986078 Refrigerated MR magnet support system |
| 01/22/1991 | US4986077 Cryostat with cryo-cooler |
| 01/20/1991 | WO1991001500A1 Fibre optic arrangement for measuring the strength of an electric current |
| 01/16/1991 | EP0408345A2 Methods of and apparatus for magnetic resonance imaging |
| 01/16/1991 | EP0408303A2 A Pick-up coil assembly for multi-channel squid magnetometer |
| 01/16/1991 | EP0408302A2 Multi-channel squid fluxmeter |
| 01/16/1991 | EP0408134A2 Device and methodology for characterizing superconductive materials |
| 01/16/1991 | EP0407879A2 Method for mutli-dimensional measurement of magnetic resonance in defined small volume regions of a solid-state sample |
| 01/16/1991 | EP0407878A2 Process and apparatus for calibrating the intensity of a high frequency field intensity in the measure volume of an NMR tomograph |
| 01/16/1991 | EP0407835A2 Atomic force microscope |
| 01/16/1991 | EP0407579A1 Magnetic resonance imaging device |
| 01/16/1991 | EP0407422A1 Process for measuring the effects of eddy currents |
| 01/16/1991 | EP0407384A1 Magnet assembly. |
| 01/16/1991 | EP0303609B1 Method for the temperature compensation of the measure taken by a magnetic sensor |
| 01/15/1991 | US4985795 Method and apparatus using a stationary magnetic body for effecting signal transfers between a moving magnetic core and a magnetic storage medium |
| 01/15/1991 | US4985680 RF coil system in magnetic resonance imaging apparatus |
| 01/15/1991 | US4985679 Magnet assembly |
| 01/15/1991 | US4985678 Horizontal field iron core magnetic resonance scanner |
| 01/15/1991 | US4985677 Magnetic resonance imaging and spectroscopy using an excitation pulse for multiple-dimensional selectivity |
| 01/15/1991 | US4985627 Spin-polarized scanning tunneling microscope |
| 01/15/1991 | US4984875 Optical component and magnetic-field sensor using superposed single crystal elements having different optical properties |
| 01/15/1991 | US4984574 Noninvasive fetal oxygen monitor using NMR |
| 01/15/1991 | US4984573 Method of electron spin resonance enhanced magnetic resonance imaging |
| 01/15/1991 | CA2020930A1 Device and methodology for characterizing superconductive materials |
| 01/10/1991 | WO1991000530A1 Process for generating a pulse sequence |
| 01/10/1991 | WO1991000529A1 Nuclear magnetic resonance imaging methods |
| 01/10/1991 | WO1991000528A1 Probe head for whole-body nuclear-resonance tomography or local in vivo nuclear-resonance spectroscopy |
| 01/10/1991 | WO1991000514A1 Nuclear magnetic resonance imaging methods |
| 01/10/1991 | WO1991000059A1 Equipment for obtaining medical, pharmacological or other data by nuclear and echographic magnetic resonance |
| 01/10/1991 | DE3921428A1 Magnetic field measurer for CRT deflection unit - uses Hall probes as measurement pick=ups offset w.r.t each other by 90 deg. and rotated to derive measurement valves |
| 01/09/1991 | EP0407227A2 Magnetic field generating device for MRI |
| 01/09/1991 | EP0407195A2 Gradient current speed-up circuit for NMR system |
| 01/09/1991 | EP0406963A1 Method of reconstructing the spatial current distribution in biological matter and arrangement for the realisation of this method |
| 01/09/1991 | EP0406583A1 System for manufacturing permanent magnets generating magnetic fields, and relevant elementary or composite permanent magnets |
| 01/09/1991 | EP0046782B2 Methods of producing image information from objects |
| 01/09/1991 | CN1048455A Output method of short circuit of hall devices and integrated hall circuits |
| 01/08/1991 | US4984157 System and method for displaying oblique planar cross sections of a solid body using tri-linear interpolation to determine pixel position dataes |
| 01/08/1991 | US4983945 Device for detecting magnetized areas |
| 01/08/1991 | US4983942 Apparatus for locating passive shim guide rails in MR magnets |
| 01/08/1991 | US4983922 Magnetic shim for magnetic field correction |
| 01/08/1991 | US4983921 Rapid calibration of nutation angles in MRI |
| 01/08/1991 | US4983920 NMR spectroscopy with phase encoding within a selected voxel |
| 01/08/1991 | US4983918 Magnetic resonance imaging system |
| 01/08/1991 | US4983917 Method for measuring flows in a nuclear magnetic resonance experiment |
| 01/08/1991 | US4983912 Method for calibrating SQUID gradiometers of an arbitrary order |
| 01/08/1991 | US4983004 Apparatus for three-dimensional viewing of magnetic resonance imaging tomograms |
| 01/04/1991 | CA2020329A1 System for manufacturing permanent magnets generating magnetic fields and relevant elementary composite permanent magnets |
| 01/03/1991 | DE3919052A1 Magnetic resonance tomography and localised spectroscopy - has gp. of impulse sequences, contrast chemicals and data analysis to improve resolution |
| 01/02/1991 | EP0406082A1 Nuclear magnetic resonance three-dimensional imaging method |
| 01/02/1991 | EP0406066A1 Method and device for measuring a magnetic field |
| 01/02/1991 | EP0406060A1 Magnetoresistive effect transducer |
| 01/02/1991 | EP0406024A2 Method and device for sensing a magnetic field with use of a magneto-resistive property of a superconductive material |
| 01/02/1991 | EP0405521A2 Method and apparatus of nuclear magnetic resonance imaging with optimized gradient magnetic field power source |
| 01/02/1991 | EP0233235B1 Centrally ordered phase encoding |
| 01/02/1991 | CN2068690U High critical temperature supper-conductive thick mambrane flux converter |
| 01/01/1991 | USH864 Magnetic field sensor and method of manufacture for a subassembly thereof |
| 01/01/1991 | US4982328 Method and system for correcting magnetic resonance images for animation display |
| 01/01/1991 | US4982254 Differentially magnetically sensitive diode structure |
| 01/01/1991 | US4982162 Method for reconstructing MRI signals resulting from time-varying gradients |
| 01/01/1991 | US4982161 Multimode magnetic resonance fast imaging method |