Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
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07/02/1991 | US5028871 Magnetic resonance imaging system |
07/02/1991 | US5028869 Process and apparatus for the nondestructive measuring of magnetic properties of a test body, by detecting a tangential magnetic field and deriving harmonic components thereof |
07/02/1991 | US5027819 Measurement of visually induced biomagnetic responses |
06/27/1991 | WO1991009322A1 R.f. pulse cascade for generating nmr spectra |
06/27/1991 | WO1991009321A1 Alternate method of fourier transform nmr data acquisition |
06/27/1991 | WO1991009320A1 Process and device for testing a hall sensor system |
06/27/1991 | DE3942547A1 Vehicle ABS or ASR physical value measuring - by using fibre=optic sensor subjected to magnetic field to use its Faraday effect |
06/26/1991 | EP0434289A1 Motion detector |
06/26/1991 | EP0434247A2 Shield for a magnet |
06/26/1991 | EP0433482A1 Squid sensor apparatus with inductive coupling of an input signal into a squid |
06/26/1991 | EP0433312A1 Carrier system and method for enhancement of magnetic resonance imaging |
06/26/1991 | CN1052554A Magnetic resonance imaging apparatus with artefact reduction |
06/26/1991 | CN1052548A Swept frequency eddy current for measuring coating thickness |
06/26/1991 | CN1013001B Electromagnetic array profiling survey method |
06/26/1991 | CN1012997B Apparatus for detection of cancer using nuclear magnetic resonance |
06/25/1991 | US5027072 Alternate method of Fourier transform NMR data acquisition |
06/25/1991 | US5027071 Method of, and apparatus for, NMR slice selection |
06/25/1991 | US5027070 MR imaging system and method |
06/25/1991 | US5027069 Circuit arrangement for a gradiometer having superconducting quantum interferometer (SQUID) for measuring low-intensity biomagnetic fields |
06/25/1991 | US5027068 Apparatus for measuring thickness of a non-metallic layer on a ferromagnetic base material |
06/25/1991 | US5026682 Superconducting quantum interference device |
06/25/1991 | US5025788 Method of acquiring NMR angiograms in selected flow component directions |
06/22/1991 | WO1991010128A1 Method for predicting atherosclerotic risk |
06/22/1991 | CA2071638A1 Method for predicting atherosclerotic risk |
06/20/1991 | DE3941473A1 Verfahren und vorrichtung zur ueberpruefung eines hall-sensorsystems Method and apparatus for inspecting a hall-sensor systems |
06/19/1991 | EP0433002A2 Magnetic resonance imaging system including active shield gradient coils |
06/19/1991 | EP0432953A2 A system for sensing and amplifying magnetic field signals |
06/19/1991 | EP0432890A2 Magnetoresistive sensor |
06/19/1991 | EP0432850A1 Magnetic resonance imaging apparatus with artefact reduction |
06/19/1991 | EP0432750A2 Apparatus for generating uniform magnetic field using small diameter spherical metallic members provided on magnetic poles |
06/19/1991 | EP0432241A1 Probe head for whole-body nuclear-resonance tomography or local in vivo nuclear-resonance spectroscopy. |
06/19/1991 | EP0386054A4 Magnetic field homogenization in nmr spectroscopy |
06/19/1991 | CA2021599A1 Shield for a magnet |
06/18/1991 | US5025217 Method of and device for eddy current compensation in MR apparatus |
06/18/1991 | US5025216 Magnetic resonance imaging of short T2 species |
06/18/1991 | US5024229 Resonators for magnetic resonance imaging |
06/15/1991 | CA2021600A1 Swept frequency eddy current system for measuring coating thickness |
06/13/1991 | WO1991008495A1 Magnetic anisotropy measuring device utilizing polyphase rotating magnetic field |
06/13/1991 | WO1991007990A1 Nuclear magnetic resonance agent, detection thereof, and tomography using said agent |
06/13/1991 | DE4038107A1 Nuclear spin tomograph resonator - produces stimulation field with only HF field vector components perpendicular to base field using two partial systems |
06/13/1991 | DE4038106A1 Surface resonator for nuclear spin tomograph - consists of two partial systems with perpendicular magnetic fields, and currents 90 deg. out of phase |
06/13/1991 | DE3940345A1 Sensor responsive to varying magnetic field hinges - has only two output mines and provides constant current at working resistance irrespective of control field intensity |
06/13/1991 | DE3940252A1 Nuclear resonance device - uses 2 cascaded directional couplers for transmitter-receiver decoupling, full transmission power and undamped received signal transfer |
06/12/1991 | EP0431935A2 High pressure proximity sensor |
06/12/1991 | EP0431850A2 Passive shimming assembly for MR magnet |
06/12/1991 | EP0431849A2 Method of optimizing shim coil current selections in magnetic resonance magnets |
06/12/1991 | EP0431848A2 Method of optimizing passive shim placement in magnetic resonance magnets |
06/12/1991 | EP0431847A2 Apparatus for locating passive shim guide rails in MR magnets |
06/12/1991 | EP0431684A1 MRI apparatus having an optimally adjusted detection chain and an enlarged dynamic range |
06/12/1991 | EP0431216A1 Method for acoustical noise reduction in a magnetic resonance apparatus |
06/12/1991 | EP0214186B1 Cylindrical gradient core set for an nmr imaging system |
06/11/1991 | US5023684 Composite semiconductor device having function for overcurrent detection |
06/11/1991 | US5023555 Magnetic resonance imaging |
06/11/1991 | US5023554 Fringe field MRI |
06/11/1991 | US5023553 Method and apparatus for body motion corrective imaging |
06/11/1991 | US5023552 Magnetic resonance device with a selectable gain signal amplifier |
06/11/1991 | US5023551 Nuclear magnetic resonance pulse sequences for use with borehole logging tools |
06/11/1991 | US5023185 Method for determining resolution power or discrimination capacity of an NMR imaging apparatus |
06/11/1991 | US5023072 Paramagnetic/superparamagnetic/ferromagnetic sucrose sulfate compositions for magnetic resonance imaging of the gastrointestinal tract |
06/11/1991 | US5022398 Multiple-echo NMR angiography for enhancement of signal-to noise ratio |
06/11/1991 | US5022397 Multiple-echo NMR angiography with multiple-velocity images |
06/05/1991 | EP0430747A1 Fiber optic measuring device, gyroscope and system for navigation and stabilisation |
06/05/1991 | EP0430322A2 Nuclear spin tomography method and nuclear spin tomograph for carrying out the method |
06/05/1991 | EP0430104A2 Magnetic resonance imaging apparatus |
06/05/1991 | EP0430103A2 Receiver coil for nuclear magnetic resonance imaging apparatus |
06/05/1991 | EP0430088A2 Method for in-vivo shimming |
06/05/1991 | EP0429715A1 Method of operating a nuclear spin tomograph apparatus with a resonant circuit for producing gradient fields |
06/05/1991 | EP0429529A1 Improvements in magnetic resonance measurement. |
06/05/1991 | EP0429521A1 In-vivo method for determining and imaging temperature of an object/subject from diffusion coefficients obtained by nuclear magnetic resonance |
06/05/1991 | CA2021630A1 Apparatus for locating passive shim guide rails in mr magnets |
06/05/1991 | CA2021629A1 Passive shimming assembly for mr magnet |
06/05/1991 | CA2021619A1 Method of optimizing passive shim placement in magnetic resonance magnets |
06/05/1991 | CA2021605A1 Method of optimizing shim coil current selections in magnetic resonance magnets |
06/04/1991 | US5021739 Superconductor type radio frequency with adjustable inductance magnetic flux measuring circuit |
06/04/1991 | US5021736 Speed/position sensor calibration method with angular adjustment of a magnetoresistive element |
06/04/1991 | US5021236 Method of enhancing NMR imaging using chelated paramagnetic ions bound to biomolecules |
06/04/1991 | US5020538 Low noise magnetoencephalogram system and method |
05/30/1991 | WO1991007726A1 Probe-correlated viewing of anatomical image data |
05/30/1991 | WO1991007669A1 Gradient-generation system, nuclear-spin tomograph and process for the generation of images using a nuclear-spin tomograph |
05/30/1991 | WO1991007668A1 Cell of atomic or molecular vapors for optical pumping and magnetometer or gyroscope using such cell |
05/30/1991 | WO1991007132A1 Apparatus for hyperthermia treatment of cancer |
05/29/1991 | EP0429295A2 Magnetic resonance spectroscopy |
05/29/1991 | EP0429190A2 Non-invasive examination apparatus and methods |
05/28/1991 | WO1991007911A1 Mri image enhancement of bone and related tissue using complexes of paramagnetic cations and polyphosphonate ligands |
05/28/1991 | US5019784 Time symmetric pulse to uniformly rotate magnetization vectors by an arbitrary angle in the presence of large B1 inhomogeneities and resonance offsets |
05/28/1991 | US5019778 Magnetic resonance apparatus with an optimized detection field |
05/28/1991 | US5019706 Ion cyclotron resonance spectrometer |
05/28/1991 | US5018359 Cryogenic refrigeration apparatus |
05/22/1991 | EP0428502A1 Device for detecting objects behind a surface |
05/22/1991 | EP0427759A1 Probe for high resolution nmr with sample reorientation |
05/21/1991 | US5018178 Medical apparatus with a control console |
05/21/1991 | US5017872 NMR radio frequency coil with dielectric loading for improved field homogeneity |
05/21/1991 | US5017871 Gradient current speed-up circuit for high-speed NMR imaging system |
05/21/1991 | US5017870 Method and system for setting and displaying magnetic resonance image acquisition duration information |
05/21/1991 | US5017869 Swept frequency eddy current system for measuring coating thickness |
05/21/1991 | US5016638 Vibration control in NMR magnet structures |
05/21/1991 | US5016637 MRI method |
05/21/1991 | CA2260688A1 Probe-correlated viewing of anatomical image data |
05/16/1991 | DE3937148A1 Gradientenerzeugungssystem, kernspintomograph und verfahren zur bilderzeugung mit einem kernspintomographen Gradientenerzeugungssystem, nuclear magnetic resonance tomograph and process for image formation with a nuclear spin tomography |
05/15/1991 | EP0427343A2 Nuclear spin tomography method for producing separated fat and water images and arrangement for carrying out the method |