Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
03/1990
03/22/1990WO1990002513A1 Active attenuation system for medical patients
03/21/1990EP0359666A1 Fibre-optical measuring system, gyrometer, navigation and stabilization system
03/21/1990EP0359598A1 Method for the characterization of materials for their use in resonance magnetometers, spectrometer for this characterization and method for the calibration of this spectrometer
03/21/1990EP0359374A1 Magnetic resonance apparatus
03/21/1990EP0359298A1 Method of heteronuclear decoupling in magnetic resonance spectroscopy, and device for determining a spectrum
03/21/1990EP0359262A2 Cryostat with refrigerator containing superconductive magnet
03/21/1990EP0261227A4 Capacitive sensor and metal detector for detecting concealed objects.
03/21/1990EP0047274B2 Methods of producing image information from objects
03/20/1990US4910462 Etched Z-axis gradient coils for NMR system
03/20/1990US4910461 Magnetic resonance imaging apparatus including an interference-poor r.f. coil
03/20/1990US4910460 Method and apparatus for mapping eddy currents in magnetic resonance imaging
03/14/1990EP0358322A2 Magnetic field sensors
03/14/1990EP0358258A2 Optical sensing arrangement
03/13/1990US4908578 Method of and device for generating interleaved multiple-slice multiple-echo pulse sequences for MRI
03/13/1990US4908573 3D image reconstruction method for placing 3D structure within common oblique or contoured slice-volume without loss of volume resolution
03/13/1990US4907346 Terrestrial magnetic sensor
03/08/1990WO1990002345A1 Magnetic resonance imaging
03/08/1990WO1990002344A1 Improvements in magnetic resonance measurement
03/08/1990WO1990002343A1 Thermographic imaging
03/08/1990WO1990002342A1 Quadrature surface coils for magnetic resonance imaging
03/08/1990WO1990002321A1 In-vivo method for determining and imaging temperature of an object/subject from diffusion coefficients obtained by nuclear magnetic resonance
03/08/1990WO1990001953A1 Method for introducing oxygen-17 into tissues for imaging in a magnetic resonance imaging system
03/08/1990WO1990001900A1 Carrier system and method for enhancement of magnetic resonance imaging
03/08/1990WO1990001899A1 Vascular magnetic imaging method and agent
03/08/1990DE3828823A1 Process and apparatus for testing a magnetic tape for defects
03/07/1990EP0357449A2 Contact apparatus for superconductive circuit
03/07/1990EP0357141A2 High-frequency generator for a nuclear spin examining apparatus
03/07/1990EP0357100A2 Nuclear resonance tomography process, and nuclear resonance tomograph for performing the process
03/07/1990EP0357050A2 Assembly packing method for sensor element
03/07/1990EP0357013A2 Magnetic field measuring circuit
03/07/1990EP0356787A2 Indicator for detecting the surpassing of a predetermined magnetic field
03/06/1990US4907007 Mount and magnetic field probe for navigating a motor vehicle
03/06/1990US4906934 Shim coil for nuclear magnetic resonance imaging apparatus
03/06/1990US4906933 Quadrature surface coil
03/06/1990US4906932 NMR spectroscopy and NMR imaging
03/06/1990US4906931 Apparatus and method for the examination of properties of an object
03/06/1990US4906930 Magnetometer using a Josephson device and superconducting phototransistor
03/06/1990US4906929 Continuous real time nulling gradiometer for single and multicomponent field gradients and field measurements
03/06/1990US4906607 Sensor and method for indicating the presence of a low magnetic field using high critical temperature superconductor ceramic material to absorb electromagnetic energy
03/06/1990US4906266 Replacement method and apparatus for a cryogenic refrigeration unit
02/1990
02/28/1990EP0356248A1 A current sensor
02/28/1990EP0356182A2 Coil assembly especially for magnetic resonance apparatus
02/28/1990EP0356171A2 Direct-coupled fluxgate current sensor and sensing method using the same
02/28/1990EP0355884A1 Magnetic resonance imaging
02/28/1990EP0355556A2 Method for retrospectively gating NMR data
02/28/1990EP0355508A2 Pulse sequence for measuring the temporal course of a flow in a vessel using nuclear magnetic resonance
02/28/1990EP0355241A1 Spin-polarized scanning tunneling microscope
02/27/1990US4905316 Magnetic field generating system for magnetic resonance imaging system
02/27/1990US4904945 Apparatus and process for detecting direct current magnetic flux deflections in an electrical transformer employing Fourier analysis
02/27/1990US4904940 Fiber-optic multicomponent magnetic field gradiometer for first, second and higher order derivatives
02/27/1990US4904929 Method for detection of weak links in the current path of electrically continuous superconductors
02/27/1990US4903704 Method and apparatus for MR imaging
02/27/1990US4903703 Conversation device of MR imaging apparatus
02/27/1990CA1266172A1 Multiplexing of a bandpass filter circuit to work with a flux-gate sensor output
02/22/1990WO1990001861A1 Improvements in or relating to reducing the strength of electro-magnetic fields
02/22/1990WO1990001705A1 Probe for high resolution nmr with sample reorientation
02/22/1990WO1990001295A1 Receptor mediated endocytosis type mri contrast agents
02/22/1990DE3828028A1 Method for the measurement of magnetic fields
02/21/1990EP0355044A2 Magnetoresistive read transducer assembly
02/21/1990EP0355042A2 Low data rate low noise serial digital communications link for magnetic resonance imaging systems
02/20/1990US4902995 Cable suspension system for cylindrical cryogenic vessels
02/20/1990US4902975 NMR tomography apparatus having iron-free dc motors for capacitor adjustment
02/20/1990US4902974 Phase correcting method in a magnetic resonance imaging system and device for realizing the same
02/20/1990US4902973 Separation of spectral components
02/20/1990US4902972 Method and apparatus for causing nuclear magnetic resonance of an object
02/15/1990DE3827088A1 Thunderstorm detector
02/13/1990US4901141 Fiberoptic display for a video image
02/13/1990US4901022 Broadband matching and decoupling network
02/13/1990US4901021 Image constructing device included in a magnetic resonance imaging apparatus
02/13/1990US4901020 Pulse sequence for operating a nuclear magnetic resonance tomography apparatus for producing images with different T2 contrast
02/13/1990US4901019 For generating information representative of an image
02/13/1990US4901018 Nuclear magnetic resonance net organic flowmeter
02/13/1990US4901017 Gap-modified magnetic bridge device for fringing flux analysis
02/13/1990US4901016 Device having a magnetic head for measuring magnetization characteristics of a magnetic thin film
02/13/1990US4900687 Process for forming a magnetic field sensor
02/13/1990US4899755 Paramagnetic substance, chelating ligand
02/08/1990WO1990001024A1 Novel magnetic resonance imaging agents
02/08/1990WO1990000904A1 Stable free radical containing contrast media
02/07/1990EP0353911A2 Flux spreading thin film magnetic devices
02/07/1990CN1039484A Mri method and device
02/07/1990CN1006739B Intelligent coercimeter
02/07/1990CN1006737B Fast determining device of ball as cast state iron crankshaft pearlite
02/06/1990US4899111 Probe for high resolution NMR with sample reorientation
02/06/1990US4899110 Magnetic resonance imaging apparatus with stabilized magnetic field
02/06/1990US4899109 Method and apparatus for automated magnetic field shimming in magnetic resonance spectroscopic imaging
02/06/1990US4899108 High frequency coil
01/1990
01/31/1990EP0353057A2 Optical component and magnetic-field sensor using superposed single crystal elements having different optical properties
01/31/1990EP0352824A1 Local coil arrangement for NMR examination
01/31/1990EP0352289A1 Method for rotating nuclear spin magnetization vectors
01/31/1990EP0188435B1 Magnetoresistive device for measuring magnetic field variations and method for fabricating the same
01/30/1990US4897604 Method and apparatus for selective adjustment of RF coil size for magnetic resonance imaging
01/30/1990US4897541 Sensors for detecting electromagnetic parameters utilizing resonating elements
01/25/1990WO1990000743A1 Process and device for generating a sequence of spin echo signals, and use thereof in nuclear spin tomography
01/25/1990WO1990000742A1 Planar thin film squid with integral flux concentrator
01/24/1990EP0352182A1 Octasubstituted lithium phthalocyanines, process for their preparation and their use in EPR
01/24/1990EP0351919A1 Stable free radical-containing contrast media
01/24/1990EP0351446A1 Pulse sequence for a magnetic resonance imaging apparatus
01/24/1990CN1006579B Nuclear magnetic resonance apparatus
01/24/1990CN1006578B Method of reducing artefacts in images formed by means of fourier zeugmatography
01/23/1990US4896227 Method of locating and inspecting dropouts on a magnetic disc