Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
03/1989
03/07/1989US4810986 Local preservation of infinite, uniform magnetization field configuration under source truncation
03/07/1989US4810968 Magnetic resonance imaging apparatus comprising a pin diode uncoupled detection coil
03/07/1989US4809701 Method to measure the molecular diffusion and/or perfusion parameters of live tissue
03/07/1989CA1250892A1 Method and apparatus for the reconstruction of nuclear magnetic resonance images
03/07/1989CA1250891A1 Method and device for determining an nmr distribution in a region of a body
03/02/1989DE3827606A1 Temperature compensation circuit for a Hall generator
03/01/1989EP0304984A1 Volume-selected spectral analysis by means of refocusing echoes
03/01/1989CN1031427A Dc current sensor
02/1989
02/28/1989US4808957 Magnetic shield apparatus
02/28/1989US4808928 Method for rapid acquisition of spin resonance data for a spatially resolved investigation of an object
02/28/1989US4808923 System for calculating the path of a naval vessel
02/23/1989WO1989001696A1 Electromagnet and method of forming same
02/23/1989WO1989001636A1 Unitary superconducting electromagnet
02/23/1989EP0191828A4 Solid state nmr probe.
02/23/1989DE3727055A1 Method for measuring the variation over time of magnetic field gradients
02/22/1989EP0304280A2 A device for detecting magnetism
02/22/1989EP0304249A2 Magnetic resonance methods and apparatus
02/22/1989EP0304188A2 A method of determining coil arrangement of an actively shielded magnet E.G. for magnetic resonance imaging
02/22/1989EP0304165A1 Conformable head or body coil assembly for magnetic imaging apparatus
02/22/1989EP0304127A1 Magnetic resonance apparatus comprising a low noise gradient coil
02/22/1989EP0304126A1 Magnetic resonance apparatus comprising an improved gradient coil system
02/22/1989EP0303953A2 Process for coding and presenting n parameters in multi-dimensional Fourier-NMR spectroscopy
02/22/1989EP0303880A1 Electromagnet for nuclear spin tomography
02/22/1989EP0303879A1 Local coil for the NMR examination of an object
02/22/1989EP0303639A1 Method and apparatus for nmr imaging.
02/22/1989EP0303609A1 Method for the temperature compensation of the measure taken by a magnetic sensor.
02/22/1989EP0303604A1 Volume selected nmr spectroscopy.
02/21/1989US4806868 For rotating a sample under study
02/21/1989US4806867 Magnetic resonance imaging system
02/21/1989US4806866 Automatic RF frequency adjustment for magnetic resonance scanner
02/21/1989US4806864 Laser-pumped helium magnetometer
02/21/1989US4806858 Liquid crystal nondestructive inspection of magnetization and variations in magnetization of high energy magnets
02/16/1989DE3726411A1 Fibre-optic magnetic field sensor
02/16/1989DE3725705A1 Layer profile measurement during selective stimulation of nuclear spin - involves use of de-phasing, plate encoding and reading out gradients
02/15/1989EP0303454A2 Method of locating and inspecting dropouts on a magnetic disc
02/15/1989EP0303452A2 Improvements in or relating to nmr imaging
02/15/1989EP0303095A2 Antenna for NMR spectrometer
02/14/1989US4804920 Nuclear magnetic resonance tomography method
02/14/1989US4804919 Nuclear magnetic resonance imaging method and apparatus for realizing same
02/14/1989US4804915 Squid magnetometer including a flux-gate chopper using a mechanically vibrating superconducting mirror
02/14/1989US4804529 Use of specific relaxation agents for organs or pathologies for modifying the contrasts in medical imaging by nuclear magnetic resonance
02/14/1989US4803773 Method of making magnetic cores
02/09/1989WO1989000833A1 Method of controlling phase of image in an mri
02/08/1989EP0302742A2 Methods of obtaining images representing the distribution of paramagnetic molecules in solution
02/08/1989EP0302739A2 Investigating a sample using NMR
02/08/1989EP0302550A2 NMR spectroscopy method
02/07/1989USH585 Anisotropic magnetoresistance measurement apparatus and method thereof
02/07/1989US4803624 For analyzing/determining property of a sample
02/07/1989US4803433 Method and apparatus for shimming tubular supermagnets
02/07/1989US4803432 Short echo NMR imaging of sodium
02/07/1989US4803431 Method for imaging three-dimensional moving object
02/07/1989US4803430 Magnetic/electric field measuring device by means of an electron beam
02/07/1989US4803429 Recovering polarization of light of arbitrary polarization propagating through distoring medium by phase conjugation reflection back through said medium
02/01/1989EP0301902A2 Method and device for sensing a magnetic field with use of a magneto-resistive property of a superconductive material
02/01/1989EP0301629A1 Method and apparatus for carrying out a phase correction in MR angiography
02/01/1989EP0301396A2 Multi-dimensional selective NMR excitation with a single RF pulse
02/01/1989EP0301359A1 Device providing geometric coordination of object data produced by two different analysis channels
02/01/1989EP0301322A1 Device for visual stimulation
02/01/1989EP0301306A2 Cryostat and assembly thereof
02/01/1989EP0301232A2 Dual frequency NMR surface coil
01/1989
01/31/1989US4801885 Nuclear magnetic resonance apparatus for the identification of spectra or images of an examination subject
01/31/1989US4801884 Apparatus for the identification of nuclear magnetic spectra from spatially selectable regions of an examination subject
01/31/1989US4801883 Integrated-circuit one-way isolation coupler incorporating one or several carrier-domain magnetometers
01/31/1989US4801882 Thin film SQUID magnetometer for a device for measuring weak magnetic fields
01/31/1989US4800889 Rapid-scan NMR angiography
01/26/1989WO1989000701A1 Electric current sensor using the faraday effect
01/26/1989WO1989000684A1 Process and device for microwave analysis
01/25/1989EP0300564A2 Nuclear magnetic resonance analysis process
01/25/1989EP0300283A2 Image reconstruction method in NMR imaging
01/24/1989US4800494 Method and apparatus for execution of multislice imaging experiments
01/24/1989US4800355 Electromagnet having magnetic shield
01/24/1989US4800354 Superconducting magnetic resonance magnet and method of making same
01/24/1989CA1249124A1 Flux-gate sensor electrical drive method and circuit
01/18/1989EP0299910A2 Metal-containing oligosaccharide polysulfates, process for their preparation and pharmaceutical agents containing them
01/18/1989EP0299325A1 Actively shielded supraconducting magnet of a nuclear spin tomographic apparatus
01/18/1989EP0299070A1 Nmr imaging method
01/18/1989EP0299052A1 Bobbin for a magnetic sensor
01/17/1989US4799017 Background field magnet for image generating devices using nuclear spin resonance
01/17/1989US4799016 Dual frequency NMR surface coil
01/17/1989US4799015 Method of mapping the nuclear magnetic properties of an object to be examined
01/17/1989US4799014 Method of setting conditions of high-frequency magnetic field
01/17/1989US4799013 Method for detecting and processing magnetic resonance signals
01/17/1989US4799012 Magnetic resonance imaging system
01/12/1989WO1989000297A1 Frequency difference digital compass and magnetometer
01/11/1989EP0298850A1 Process for eliminating artefacts from an NMR image experimentation
01/11/1989EP0298849A1 Process for reconstructing pictures acquired by tridimensional experimentation, especially for NMR
01/11/1989EP0298090A1 Acoustic sensor
01/10/1989US4797617 Nuclear magnetic resonance radio frequency antenna
01/10/1989US4797616 High speed NMR spectroscopic imaging method
01/10/1989US4797615 Determining and correcting for phase jumps
01/10/1989US4797607 Method of updating the scale factor of apparatus for measuring an alternating electric current by means of the faraday effect
01/10/1989US4796635 Multiple-echo, multiple-view NMR angiography
01/10/1989CA1248585A1 Nuclear magnetic resonance apparatus with surface coil detection
01/04/1989EP0297935A1 Method for taking into account object movement in a picture
01/04/1989EP0297922A2 Non-destructive method for magnetic measurements of recording disc members
01/04/1989EP0297832A2 Improvements in or relating to nmr spectroscopy and nmr imaging
01/03/1989US4795995 Method and apparatus for producing electromagnetic surveillance fields
01/03/1989US4795978 Prevention of steady state transverse magnetization in fast imaging sequences
12/1988
12/29/1988WO1988010516A1 Switch using superconductivity
12/29/1988WO1988010501A1 Superconducting electromagnet and method of magnetization