Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
11/1991
11/14/1991WO1991017455A1 Magnetic field generating assembly
11/14/1991WO1991017454A1 Magnetic field generating assembly
11/14/1991WO1991017453A1 Sample mount for nmr microscopy
11/14/1991WO1991017452A1 Magnetostrictive magnetometer
11/14/1991WO1991016852A1 A method for the detection of malignancy
11/14/1991DE3844652C2 Measurement probe with small magnetometer
11/13/1991EP0455851A1 Noninvasive fetal oxygen monitor using NMR
11/13/1991EP0455836A1 Nuclear magnetic resonance agent, detection thereof, and tomography using said agent
11/12/1991US5065204 Magnetoelectric element and magnetoelectric apparatus
11/12/1991US5065097 Testing method and apparatus by use of nmr
11/12/1991US5065096 Superconductor Josephson junction strip resonator sensor for measuring magnetic flux
11/12/1991US5065094 Two terminal magnetoresistive sensor having DC blocking capacitor
11/12/1991US5065087 Apparatus for observing a superconductive phenomenon in a superconductor
11/12/1991US5064754 Generating specific polynucleotides, determining mucleic acid base composition and terminal base, solving the base seuence u sing an logorithm called the matrix method of analysis
11/12/1991US5064638 Using a unique sequence of radio frequenct excitation and magnetic gradient pulses
11/12/1991US5063934 Permanent magnet arrangement
11/12/1991US5063933 Magnetic resonance imaging apparatus
11/06/1991EP0455530A1 Fibre optical measuring device, gyroscope, navigation and stabilisation system, current sensor
11/06/1991EP0455472A1 Low noise amplifier with short circuit protection for signals from magnetoresistive element
11/06/1991EP0455418A2 Method and apparatus for tuning an NMR field coil
11/06/1991EP0455098A2 Displacement probe in a cryogenic magnet
11/05/1991US5063472 Device for detecting superconductor quenching and application to a superconducting current limiter
11/05/1991US5063349 Transformer-coupled gradient speed-up circuit
11/05/1991US5063348 Magnetic resonance imaging system
11/05/1991US5063347 Magnetic sensor having a base with magnetoresistors and a magnet mounted on the base
11/04/1991WO1991017428A1 Solvant mediated relaxation assay system
11/04/1991CA2081894A1 Solvent mediated relaxation-assay system
10/1991
10/31/1991WO1991015994A1 Electrode for use with magnetic resonance imaging
10/31/1991DE4013017A1 Testing covered current pack in body, esp. IC - by heating covering magneto-optical film to reduce coercivity field strength, cooling and measuring magnetisation
10/31/1991CA2034454A1 Displacement probe for cryogenic magnet
10/30/1991EP0454370A2 RF coils for NMR
10/30/1991EP0454298A2 Gradient amplifier system for magnetic resonance imaging
10/30/1991EP0454251A1 Quadrature coil construction
10/30/1991EP0453834A1 RF receiving coil device for NMR spectrometers
10/30/1991EP0453645A2 Magnetic field sensor for a switching device with parts having different coercive forces
10/30/1991EP0453544A1 Cell of atomic or molecular vapors for optical pumping and magnetometer or gyroscope using such cell
10/29/1991US5061897 Eddy current control in magnetic resonance imaging
10/29/1991US5061680 Coil, connecting cable, detector in separate containers; simplified positioning and adjustment; measuring magnetic fields produced by brain
10/29/1991CA1291532C Process for the detection of cancer using nuclear magnetic resonance
10/23/1991EP0453102A2 Magnetic resonance imaging methods and apparatus
10/23/1991EP0452766A2 Measuring method and arrangement determining the orientation factor of magnetic-record carriers
10/23/1991EP0427759A4 Probe for high resolution nmr with sample reorientation
10/23/1991EP0167544B2 Magnetometer with a time encryption for measuring magnetic fields
10/23/1991EP0165258B2 Magnetometer with time coding
10/23/1991CN1014467B Device for detecting current
10/22/1991US5059906 Magnetic resonance imaging apparatus
10/22/1991US5059891 Microwave method for detection of weak links in superconductors
10/22/1991US5059783 Interferometric fiber optic proximity switch
10/22/1991US5059415 Method for diagnostically imaging lesions in the brain inside a blood-brain barrier
10/21/1991WO1991016380A1 Molding of water-absorbent resin, production thereof, use thereof, and production of water-absorbent resin
10/21/1991CA2058993A1 Molded body of water-absorbing resin, process for producing molded body, use thereof, and process for preparing water-absorbing resin
10/17/1991WO1991015896A1 Noise suppression system
10/17/1991WO1991015754A1 Magnetic resonance experiment and apparatus
10/17/1991WO1991015753A1 Polymers as contrast media for magnetic resonance imaging
10/16/1991EP0452218A2 An apparatus for detecting failure in power system
10/16/1991EP0452046A2 Superconductive magnet
10/16/1991EP0451962A2 Methods and apparatus for investigating the composition of material
10/16/1991EP0422131A4 Inhomogeneity detection system
10/16/1991EP0315631B1 Phantom of nmr machine and method for measuring the characteristics of a magnetic field using such a phantom
10/15/1991US5058176 Image diagnosis apparatus
10/15/1991US5057778 Double tuned nmr coils
10/15/1991US5057777 Quadrature coil construction
10/15/1991US5057776 Pulsed field MRI system with non-resonant excitation
10/10/1991CA2040115A1 Noise suppression system
10/09/1991EP0451055A1 Use of tetracyanoquinodimethane derivatives in electron paramagnetic resonance magnetometry
10/09/1991EP0451054A1 Compact NMR probe
10/09/1991EP0450972A2 Superconductive magnet
10/09/1991EP0450971A2 Superconductive magnet
10/09/1991EP0450949A2 Actively shielded magnetic resonance magnet without cryogens
10/09/1991EP0450910A2 Temperature compensation circuit for hall effect element
10/09/1991EP0420915A4 Spectroscopy methods
10/08/1991US5056146 Three-dimensional labeling apparatus for two-dimensional slice image information
10/08/1991US5055820 Hall element and magnetic sensor system employing the same
10/08/1991US5055812 Compensation for magnetic nonuniformities of permanent magnet structures
10/08/1991US5055792 Miniaturized surface probes
10/08/1991US5055791 Nmr machine phantom and a method of measuring the characteristics of a magnetic field using such a phantom
10/08/1991US5055790 Ssfp imaging technique with improved t1 contrast
10/08/1991US5055789 Magnetic resonance imaging system
10/08/1991US5055788 Borehole measurement of NMR characteristics of earth formations
10/08/1991US5055787 Borehole measurement of NMR characteristics of earth formations
10/08/1991US5055785 Superconductive magneto resistive apparatus for measuring weak magnetic field using superconductive magneto-resistive element
10/08/1991US5055781 Rotational angle detecting sensor having a plurality of magnetoresistive elements located in a uniform magnetic field
10/08/1991US5055768 Temperature compensator for hall effect circuit
10/08/1991US5055288 Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides
10/08/1991US5054489 Magnetic resonance imaging using spatial modulation of magnetization
10/08/1991CA1290244C Process for making a skin marker for diagnosis by x-ray tomography and nuclear magnetic rasonance imaging
10/07/1991CA2034350A1 Axial thermal shield support for a mr magnet
10/07/1991CA2034347A1 Axial support system for a mr magnet
10/07/1991CA2034327A1 Radial support system for a mr magnet
10/06/1991CA2038272A1 Actively shielded magnetic resonance magnet without cryogens
10/03/1991WO1991014949A1 Double tuned nmr coils
10/03/1991WO1991014948A1 Eddy current control in magnetic resonance imaging
10/03/1991WO1991014947A1 Nuclear magnetic resonance apparatus
10/03/1991WO1991014946A1 Improved single winding magnetometer
10/01/1991US5053834 High symmetry dc SQUID system
10/01/1991US5053711 Nmr radio frequency coil with improved axial field homogeneity
10/01/1991US5053710 NMR multi-dimensional discrete Fourier transform
10/01/1991US5053709 Method and system for controlling an RF pulse in a magnetic resonance imaging apparatus
10/01/1991US5053708 System for the optical pumping of a cell of atomic or molecular gases and its application to a magnetometer
10/01/1991US5053707 Apparatus for positioning a pick-up coil for detecting magnetic flux quantum trapped in a superconductor