| Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
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| 01/07/1992 | US5078986 Method for enhancing magnetic resonance imaging using an image altering agent containing an excess of chelating agent |
| 01/07/1992 | US5078141 Method and system for acquiring image representing brain surface anatomy |
| 01/07/1992 | CA1293992C Device and method for locating rods buried in high-density reinforced concrete |
| 01/04/1992 | CA2046065A1 Time-stable labeling of individual atoms or groups of atoms in the surface of a solid, and the storage of information units in the atomic range |
| 01/02/1992 | EP0463919A1 Directional resonance magnetometer |
| 01/02/1992 | EP0463789A2 RF Power calibration for an NMR system |
| 01/02/1992 | EP0463698A1 QRS filter for NMR imaging apparatus and NMR imaging employing such filter |
| 01/02/1992 | EP0463644A2 Use of chelate complexes |
| 01/02/1992 | EP0463481A1 Cooling arrangement for a squid measurement device |
| 01/02/1992 | EP0463009A1 Process for magnetic resonant spectroscopy or tomography in a preselected region of a material and application thereof |
| 01/02/1992 | EP0213202B1 Apparatus for displaying a scanning schedule in a computer tomographic apparatus |
| 12/31/1991 | US5077524 Gradient enhanced NMR correlation spectroscopy |
| 12/31/1991 | US5076275 Viewing system inert to magnetic flux |
| 12/31/1991 | CA2046100A1 Rapid pulse magnetic resonance analysis |
| 12/30/1991 | CA2042148A1 Method for rapid magnet shimming |
| 12/27/1991 | EP0462260A1 Magnetic document validator |
| 12/27/1991 | EP0462131A1 Magnet system. |
| 12/26/1991 | WO1991019994A1 Shielded gradient coil for nuclear magnetic resonance imaging |
| 12/26/1991 | WO1991019993A1 Drive circuitry for field-generating coil of magnetic resonance imaging system |
| 12/26/1991 | WO1991019992A1 Circuitry for driving field-generating coil of magnetic resonance imaging system |
| 12/26/1991 | WO1991019455A1 Shield for use in mri examinations |
| 12/26/1991 | CA2044756A1 Magnetometer resonance directional |
| 12/26/1991 | CA2042217A1 Rf power calibration for an nmr scanner |
| 12/25/1991 | CN2091463U Lightening display magnetic field meter |
| 12/25/1991 | CN1057329A Cryostat with liquefaction refrigerator |
| 12/24/1991 | US5075625 Procedure and device for the detection of inversions of the earth's magnetic field by means of measurement taken in a drill shaft |
| 12/24/1991 | US5075624 Radio frequency quadrature coil construction for magnetic resonance imaging (mri) apparatus |
| 12/24/1991 | US5075623 Method for measuring three-dimensional spatial magnetic field distribution using algebraic reconstruction and convergence |
| 12/24/1991 | US5075546 Transducer with polarizer, analyzer and magneto-optic bismuth gadolinium yttrium iron garnet crystal; light transmission pat hs; light generator; light detector; electric circuit |
| 12/19/1991 | CA2044737A1 Use of macrocyclic aminophosphonic acid complexes as imaging agents |
| 12/18/1991 | EP0462002A1 Resonance magneto meter with optical pumping using a sequential polarization |
| 12/18/1991 | EP0462001A1 Magnetic resonance magnetometer with multiplexed excitation windings |
| 12/18/1991 | EP0462000A1 Resonance magnetometer with optical pumping using a plurality of beams |
| 12/18/1991 | EP0461999A1 Optically pumped resonance magnetometer with a light beam having a servo-controlled polarisation |
| 12/18/1991 | EP0461742A2 Digital magnetic flux measuring apparatus using superconducting quantum interference device |
| 12/18/1991 | EP0461723A2 Surface coil for NMR examinations |
| 12/18/1991 | EP0461493A2 Means for generating the temperature of a sample |
| 12/17/1991 | US5073958 Method of detecting edges in images |
| 12/17/1991 | US5073858 Magnetic susceptibility imaging (msi) |
| 12/17/1991 | US5073752 Discrete fourier transform imaging |
| 12/17/1991 | US5072732 A nuclear magnetic resonance spectroscopy apparatus |
| 12/15/1991 | CA2044539A1 Optical pumping, resonance magnetometer using a plurality of multiplexed beams |
| 12/15/1991 | CA2044537A1 Optical pumping, resonance magnetometer using a sequential polarization |
| 12/15/1991 | CA2044531A1 Magnetic resonance magnetometer with multiplexed exciting windings |
| 12/12/1991 | WO1991019209A1 Shielded gradient coil for nuclear magnetic resonance imaging |
| 12/11/1991 | EP0461051A1 Hall component and sensor with differential detection |
| 12/11/1991 | EP0460929A2 NMR Spectroscopy |
| 12/11/1991 | EP0460895A2 Gradient speed-up circuit for NMR apparatus |
| 12/11/1991 | EP0460894A2 Gradient speed-up circuit for NMR system |
| 12/11/1991 | EP0460762A1 Magnet system for magnetic resonance imaging |
| 12/11/1991 | EP0460761A1 RF coil system in a magnetic resonance imaging apparatus |
| 12/11/1991 | EP0460601A2 Superconducting magnet apparatus having circulating path for coolant |
| 12/11/1991 | EP0460291A2 Magnetic field sensitive apparatus with several magnetic field sensors |
| 12/11/1991 | CN1056936A Magnetic flux inverter with high critical temperature and superconductivity thick film |
| 12/11/1991 | CN1056935A Magnetic field gradiometer with high critical temperature and superconductivity thick film |
| 12/11/1991 | CN1015072B Method and apparatus for non-destructive materials testing and magnetostructural materials investigations |
| 12/10/1991 | US5072184 Magnetic resonance methods and apparatus |
| 12/10/1991 | US5072183 Rf generator for magnetic resonance imaging apparatus |
| 12/10/1991 | US5072182 Fourier shifting of voxel boundaries in MR chemical shift imaging spectroscopy |
| 12/10/1991 | US5071602 Method of making phantom for nmr diagnosis |
| 12/10/1991 | US5070876 Flow-independent magnetic resonance projection angiography |
| 12/10/1991 | CA1293024C Ferromagnetic eddy current probe |
| 12/05/1991 | DE4103485A1 Testing physical and/or chemical qualities of objects - using nuclear magnetic resonance spectroscopy and resonance recording for prepared section |
| 12/05/1991 | DE4017270A1 Active screened superconducting magnet for nuclear spin tomograph - has inner and outer coil systems with bridging switch and superconducting limiter preventing excessive voltage rises |
| 12/05/1991 | DE4016640A1 Transmit-receive crossover network - uses rectifier diodes and induction to power PIN=diode(s) from signal, DC isolated from transmitter |
| 12/04/1991 | EP0459679A1 A system for sensing a magnetic field with use of a superconductor magneto-resistive element |
| 12/04/1991 | EP0459569A2 Radio frequency quadrature coil construction for magnetic resonance imaging (MRI) apparatus |
| 12/04/1991 | EP0459268A2 Actively screened magnet |
| 12/04/1991 | EP0459064A1 Borehole measurement of NMR characteristics of earth formations and interpretations thereof |
| 12/04/1991 | EP0433312A4 Carrier system and method for enhancement of magnetic resonance imaging |
| 12/04/1991 | EP0346333B1 Correction device using magnetic elements for correcting unhomogeneities of the magnetic field in a magnet |
| 12/03/1991 | US5070299 Slice profile optimization for a nuclear magnetic resonance tomography apparatus operated with a gradient echo sequence |
| 12/03/1991 | US5070298 Magnetic sensor, with sensor gap adjusting high permeable flux collecting chip, for detecting rotation |
| 12/03/1991 | US5070214 Organic material with extremely narrow electron spin resonance line and gaussmeter probe or magnetometer using this material |
| 12/03/1991 | US5069216 Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract |
| 12/03/1991 | CA1292775C Method for updating the scale factor of an apparatus using the faraday effect to measure the intensity of an alternating current |
| 11/28/1991 | WO1991018300A1 Nuclear resonance spectrometer and method for measuring nuclear resonance |
| 11/28/1991 | WO1991018298A1 Method and apparatus for processing the output signal from a low-noise sensor |
| 11/28/1991 | DE4015056A1 Compensation of unwanted modulation sidebands in NMR spectra |
| 11/27/1991 | EP0458466A2 Hall device |
| 11/27/1991 | CN1014933B Magnetometer using josephson device |
| 11/26/1991 | WO1991019207A1 Coil circuits |
| 11/26/1991 | US5068786 Method for controlling radio frequency excitation and gradient pulse characteristics in a magnetic resonance imaging system |
| 11/26/1991 | US5068611 Measuring procedure for the elimination of faults from an NMR signal by comparing RF field components spinning in opposite directions |
| 11/26/1991 | US5068610 Mri method and device for fast determination of the transverse relaxation time constant t2 |
| 11/26/1991 | US5068609 Method for generating an image using nuclear magnetic resonance signals |
| 11/26/1991 | US5068519 Magnetic document validator employing remanence and saturation measurements |
| 11/26/1991 | US5068098 Enhancing diagnostic resolution by administering aqueous isotonic emulsion of perfluoro 15-crown-5 ether |
| 11/26/1991 | CA2041982A1 Magnetic detection apparatus and method of manufacturing same |
| 11/21/1991 | EP0457294A1 Electromagnetic field analyzer for devices in which electromagnetic field is present near conductor and electric charge moves in the electromagnetic field, and method of analyzing electromagnetic field |
| 11/21/1991 | EP0457285A2 Apparatus for generating static magnetic field used by MRI system and method for assembling said apparatus |
| 11/21/1991 | EP0457069A2 Method and apparatus for the compensation of undesirable sidebands in nuclear magnetic resonance spectra |
| 11/20/1991 | WO1991018299A1 Device for sensing magnetism |
| 11/20/1991 | CA2064083A1 Magnetism detecting apparatus |
| 11/19/1991 | US5066915 RF coil positioning device for MRI |
| 11/19/1991 | US5066914 Gradient amplifier system with flexible amplifier allocation |
| 11/19/1991 | US5066903 Optical current transformer |
| 11/19/1991 | US5065760 Cable guide for a nuclear magnetic resonance tomography apparatus |
| 11/19/1991 | US5065582 Dewar vessel for a superconducting magnetometer device |
| 11/19/1991 | CA1292278C Nuclear magnetic resonance magnetometer |