Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
03/1999
03/04/1999CA2301764A1 Open loop signal processing circuit and method for a fiber optic interferometric sensor
03/03/1999EP0899798A2 Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the same
03/03/1999EP0899702A2 Magnetostrictive resonator, road in which the resonator is buried and method of buring the resonator
03/03/1999EP0899577A2 Magnetic resonance imaging
03/03/1999EP0899576A1 Active system for compensation of magnetic field disturbances, particularly suitable for use with nuclear magnetic resonance tomography
03/03/1999EP0898716A1 Method of magnetic resonance imaging and spectroscopic analysis and associated apparatus
03/03/1999EP0811134A4 Vibrationally isolated cryogenic device
03/02/1999US5877732 Three-dimensional high resolution MRI video and audio system and method
03/02/1999US5877705 Method and apparatus for analyzing traffic and a sensor therefor
03/02/1999US5877665 Thermally passive magnet mounting system for an MRI signa profile magnet in mobile trailer van
03/02/1999US5877629 Correction for maxwell fields produced during non-rectilinear k-space sampling
03/02/1999US5877627 Device for detecting secondary magnetic fields induced in an organism by pulsed magnetic fields
03/02/1999US5877626 Temperature resistant magnetoresistance sensing device
03/02/1999US5877625 Magnetic sensor with supporting element for supporting output lead wire of coil
03/02/1999US5877511 Single-electron controlling magnetoresistance element
03/02/1999US5876848 Thin film magnetic structure having ferromagnetic and antiferromagnetic layers
03/02/1999US5876843 Magnetoresistive element
03/02/1999US5876338 Nuclear magnetic resonance imaging apparatus
03/02/1999US5876337 Magnetic resonance imaging apparatus and method for correcting the intensity of the static magnetic field of the apparatus
02/1999
02/25/1999WO1999009637A1 Machine monitor
02/25/1999WO1999009428A1 Apparatus for and method of determining values of relaxation parameters
02/25/1999WO1999009427A1 Magnetic field sensing device
02/25/1999WO1999009405A1 Pipe testing apparatus and method
02/25/1999WO1999008941A1 Sol-gel coated polarization vessels
02/25/1999WO1999008766A2 Alkali metal hybrid spin-exchange optical pumping
02/25/1999DE19834698A1 Diffusion detection using magnetic resonance
02/25/1999DE19733920A1 Device for suppressing interference signals with frequency-dependent adaptation
02/24/1999EP0898315A1 Tunneling magnetoresistive element, and magnetic sensor using the same
02/24/1999EP0898180A2 Package for a magnetic field sensing device
02/24/1999EP0897569A2 Magnetic particles, substrate comprising such particles, security document and method for detecting such particles
02/23/1999US5874882 Open and shielded superconductive magnet
02/23/1999US5874880 Shielded and open superconductive magnet
02/23/1999US5874848 Electric current sensor utilizing a compensating trace configuration
02/23/1999US5874831 Magnetic resonance imaging (MRI) system
02/23/1999US5874573 Cyclic amine derivatives
02/23/1999US5873825 Three dimensional digital subtraction magnetic resonance angiography with limited k-space mask
02/23/1999CA2145827C Flux transformer formed of an oxide superconducting thin film and method for manufacturing the same
02/18/1999WO1999008265A1 Spin bulb magnetoresistant element and method for designing it
02/18/1999WO1999008263A1 Magnetic flux processing apparatus and method
02/18/1999WO1999008126A1 Magnetic field generating assembly for use in an nmr apparatus
02/18/1999WO1999008120A1 Method for measuring a magnetic field and device for carrying out said method
02/18/1999WO1999008117A2 Thin-film magnetoresistive magnetic field sensor
02/18/1999DE3134811C1 Arrangement for determining the spatial variation of magnetic field gradients
02/17/1999EP0897118A1 Noise suppression in the centre of a magnetic resonance image
02/17/1999EP0896734A1 All-metal, giant magnetoresistive, solid-state component
02/17/1999EP0896655A1 High volume hyperpolarizer for spin-polarized noble gas
02/16/1999US5872876 Optical fibre sensor element
02/16/1999US5872690 Magnetic transducer and magnetic recording device utilizing material in which undirectional anisotropy can be formed
02/16/1999US5872502 Magnetoresistance effect film and production process thereof
02/16/1999US5872500 Superconducting MRI electromagnet
02/16/1999US5872452 Apparatus and method for the generation of gradient magnetic fields for high resolution NMR experiments
02/16/1999US5871622 Method for making a spin valve magnetoresistive sensor
02/11/1999WO1999006854A2 Nuclear quadrupole resonance (nqr) method and probe for emitting rf fields in different directions to distinguish nqr from acoustic ringing induced in a sample
02/11/1999WO1999006849A1 Contrast agent-enhanced magnetic resonance imaging of tissue perfusion
02/11/1999WO1999006848A1 Magnetic impedance effect device
02/11/1999DE19835401A1 Superconducting magnet to generate high magnetic fields for NMR
02/11/1999DE19832805A1 Magnetic field measurement device for measuring currents flowing in conductors
02/11/1999DE19734045A1 Power amplifier for high-output voltages and currents especially for inductive loads such as medical nuclear-spin tomographs
02/11/1999CA2296572A1 Contrast agent-enhanced magnetic resonance imaging of tissue perfusion
02/11/1999CA2267299A1 Magnetic impedance effect device
02/11/1999CA2240868A1 Noise modulation for open access and remotely positioned mri
02/10/1999EP0896324A1 A magnetoresistive sensor & method of making the same
02/10/1999EP0896228A1 Self-shielded gradient coil assembly and method of manufacturing the same
02/09/1999US5870328 Bistable magnetic element and method of manufacturing the same
02/09/1999US5869966 Radio frequency coil switching
02/09/1999US5869965 Correction of artifacts caused by Maxwell terms in MR echo-planar images
02/09/1999US5869964 Magnetic resonance imaging apparatus in which gradient echo signals are acquired at a time distant from the center of a gradient echo
02/09/1999US5869963 Thin lamination comprising platinum-manganese alloy film used as antiferromagnetic layer(s) to achieve an exchange anisotropic magnetic field; sensitivity
02/09/1999US5869023 Composition for MRI comprising both a positive and a negative contrast agent
02/09/1999US5868910 Codepositing magnetic material and nonmagnetic metallic material to create homogeneous film comprising magnetic particles in nonmetallic matrix, annealing for time determined by desired particle size
02/09/1999US5868674 MRI-system and catheter for interventional procedures
02/09/1999CA2069638C Mri image enhancement of bone and related tissue using complexes of paramagnetic cations and polyphosphonate ligands
02/04/1999WO1999005540A1 Squid device
02/04/1999WO1999005531A2 Permanent magnet assemblies for use in medical applications
02/04/1999WO1999004688A1 Ecg triggered mr imaging method and apparatus
02/04/1999DE19737931C1 Magnetoresistive strip conductor for magnetic field sensor for detecting a magnetic field for an angle sensor
02/04/1999DE19733742C1 Quieting measure for diagnostic magnetic resonance gradient coil
02/03/1999EP0895208A2 Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
02/03/1999EP0895093A1 Movable pre-polarisation unit for a magnetic resonance imaging apparatus
02/03/1999EP0895092A1 Superconducting hybrid-resonator for the reception of NMR signals
02/03/1999EP0894272A1 Method for performing magnetic resonance angiography using a contrast agent
02/03/1999EP0614538B1 Nuclear magnetic resonance detection of geologic structures
02/03/1999CN1041969C Large-gap C-shaped permanent magnet
02/02/1999US5867410 Method of establishing a processed data table
02/02/1999US5867300 Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal
02/02/1999US5867027 Magnetic resonance imaging apparatus
02/02/1999US5867026 Detection cell
02/02/1999US5867025 Magnetoresistive spin valve sensor with stepped layers
02/02/1999US5867024 RF-squid with an integrated lambda-microwave resonator useful as highly sensitive magnetometer
02/02/1999US5866427 Magnetic resonance spectroscopy; alcoholism
02/02/1999US5866212 Method of producing magnetoresistive sensor
02/02/1999US5865747 Magnetic resonance imaging system
02/02/1999US5865746 In vivo imaging and oxymetry by pulsed radiofrequency paramagnetic resonance
02/02/1999US5865177 Magnetic resonance imaging (MRI) diagnostic apparatus capable of optimally controlling radio-frequency magnetic field by providing flexible material interposed between RF coil and body
01/1999
01/28/1999DE19731690A1 Power amplifier, especially gradient amplifier
01/28/1999DE19727772A1 Magnetflußsensor mit ringförmiger Sonde Magnetic flux with annular probe
01/27/1999EP0893701A1 Spread spectrum MRI
01/27/1999EP0893700A1 Solenoidal resistive magnet for nuclear magnetic resonance imaging
01/27/1999EP0893699A1 Magnetic sensor having excitation coil including thin-film linear conductor sections formed on bobbin with detection coil wound thereon
01/27/1999EP0892928A1 Process for manufacture of a gmr bridge sensor and a gmr bridge sensor