Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
09/1988
09/07/1988EP0167544B1 Magnetometer with a time encryption for measuring magnetic fields
09/06/1988US4769605 Network to cancel coupling between channels of quadrature antenna coil assembly in a magnetic resonance imaging system
09/06/1988US4769604 Method of mapping the material properties of an object to be examined
09/06/1988US4769603 Method for the operation of a nuclear magnetic resonance apparatus
09/06/1988US4769602 Determining multiphase saturations by NMR imaging of multiple nuclides
09/06/1988US4769601 Method of and apparatus for determining cement strength and extent of setting with a pulsed nuclear magnetic resonance spectrometer
09/06/1988US4769600 Holding member for sensor of magnetic rotary encoder
09/06/1988US4769599 Magnetometer with magnetostrictive member of stress variable magnetic permeability
09/06/1988CA1241592A1 Horizontal cryostat penetration insert and assembly
09/06/1988CA1241591A1 Foam filled insert for horizontal cryostat penetrations
08/1988
08/31/1988EP0280515A2 Method of, and apparatus for, magnetic resonance imaging
08/31/1988EP0280412A2 Image processing
08/31/1988EP0280310A2 Magnetic resonance imaging method and apparatus
08/31/1988EP0280282A2 Magnetometer using a josephson device
08/31/1988EP0280261A2 Circuit for getting a temperature independent rectangular signal from a measuring signal
08/30/1988US4768009 Coil arrangement for correction of magnetic field
08/30/1988US4768008 MRI magnet system with vessel having composite first wall
08/30/1988US4767993 Coil system for magnetic resonance imaging
08/30/1988US4767992 Magnetic resonance imaging system
08/30/1988US4767991 Method of high speed imaging with improved spatial resolution using partial k-space acquisitions
08/30/1988US4767990 for selective excitation of a limited volume of a body
08/30/1988US4767989 Mounting arrangement for magnetic field detector
08/30/1988US4767987 Method and apparatus for monitoring film thicknesses by sensing magnetic interaction between members movable to a film thickness distance
08/25/1988WO1988006288A1 Method and apparatus for nmr imaging
08/24/1988EP0279584A2 Methods and apparatus for magnetic resonance imaging
08/24/1988EP0279537A2 Magnetoresistive sensor and process for its manufacture
08/24/1988EP0279535A2 Head comprising a magnetoresistive sensor
08/24/1988EP0279481A1 Magnetic resonance imaging apparatus incorporating improved detection
08/24/1988EP0279352A2 Alternating voltage signal amplifying and shaping circuit
08/24/1988EP0279291A1 Apparatus for the measurement of very low frequency magnetic fields using a SQUID magnetometer
08/23/1988US4766385 Underwater buried mine classifier
08/23/1988US4766383 Quadrature antenna for magnetic resonance imaging using elliptical coils
08/23/1988US4766382 Two-dimensional nuclear magnetic resonance spectrometry
08/23/1988US4766381 Driven inversion spin echo magnetic resonance imaging
08/23/1988US4766380 Method and arrangement for determining a nuclear magnetization distribution in a part of a body
08/23/1988US4766379 Method for obtaining nuclear magnetic resonance information data
08/23/1988US4766378 Nuclear magnetic resonance scanners
08/23/1988US4766377 Phase correction method in two-dimensional NMR spectroscopy
08/23/1988CA1241058A1 Magnetic reluctance sensing apparatus and method
08/17/1988EP0278635A1 Negative feedback power supply apparatus
08/17/1988EP0278549A2 Three-dimensional metric, perfusion and metabolic compartment spectroscopy phantom
08/17/1988EP0278271A2 Multiple-echo NMR angiography
08/17/1988EP0278254A1 Apparatus for determining nuclear magnetic resonance spectra from spatially selectable regions of an object under examination
08/17/1988EP0154624B1 Apparatus for producing complete tridimensional representations of an object in the space
08/16/1988US4764894 Multiple FIFO NMR acquisition system
08/16/1988US4764726 Low distortion RF switching circuit without DC bias
08/16/1988US4764724 Measuring head for inductive measurement of the thickness of an insulating layer on an electric conductor
08/16/1988CA1240756A1 Method and apparatus for producing electromagnetic surveillance fields
08/11/1988WO1988005920A1 Generator of electron precessional energy
08/11/1988WO1988005919A1 Solid state generator of electron precession
08/10/1988EP0277745A2 Methods and apparatus for detecting certain compounds
08/10/1988EP0277304A1 Mounting apparatus for a measuring cryostat
08/10/1988EP0277283A1 Biomagnetic measuring device
08/10/1988EP0277165A1 Method for application of gradient pulses in an imaging experimentation by means of a nuclear magnetic resonance machine.
08/09/1988US4763076 MRI transmit coil disable switching via RF in/out cable
08/09/1988US4763075 Electro-optical isolator for magnetic resonance tomography
08/09/1988US4763074 Automatic tuning circuit for magnetic resonance quadrature antenna system
08/09/1988US4763073 Method and apparatus for the reconstruction of nuclear magnetic resonance images
08/09/1988US4763072 Magnetic azimuth detector
08/04/1988DE3701850A1 Process and arrangement for determining the spatial and spectral distribution of the core magnetisation in an area under examination
08/03/1988EP0276784A2 Vialess shorting bars for magnetoresistive devices
08/03/1988EP0276510A1 Nuclear resonance apparatus with a detunable HF coil
08/03/1988EP0276509A1 Nuclear resonance apparatus with a switchable cage HF coil
08/03/1988EP0276508A1 Nuclear magnetic resonance apparatus having a detection coil including a decoupling circuit with p-i-n diodes
08/02/1988US4761819 Method of medical diagnostic imaging
08/02/1988US4761614 Device and method for automatic shimming of NMR instrument
08/02/1988US4761613 Monitored echo gating for the reduction of motion artifacts
08/02/1988US4761612 Programmable eddy current correction
08/02/1988US4761611 Apparatus for measuring weak magnetic fields having a DC-SQUID array and gradiometer array
07/1988
07/28/1988WO1988005545A1 Bobbin for a magnetic sensor
07/27/1988EP0276123A2 Magnetic field generating assembly
07/27/1988EP0276058A1 Contrast agents for NMR spectroscopy
07/27/1988EP0276034A2 Nuclear magnetic resonance imaging method
07/27/1988EP0275767A1 Triaxial homocentered magnetometer
07/27/1988EP0275699A1 Isolated power transfer and patient monitoring system with interference rejection useful with NMR apparatus
07/27/1988EP0275593A1 Nuclear resonance apparatus with rotating field generation and detection means
07/26/1988US4760339 NMR imaging method
07/26/1988US4760338 Magnetic resonance imaging apparatus and method utilizing a composite RF pulse
07/26/1988US4760337 Nuclear magnetic resonance methods and apparatus
07/26/1988US4760336 Variable rate magnetic resonance selective excitation for reducing rf power and specific absorption rate
07/26/1988US4760331 Spectrum display device
07/26/1988US4760173 N-(3,5-Bis(trifluoromethyl)phenylcarbamoylmethyl)imino-
07/21/1988DE3800243A1 Magnetoresistive element made from ferromagnetic material, and method for producing it
07/20/1988EP0274773A1 Magnetic resonance imaging apparatus comprising a quadrature coil system
07/19/1988US4758813 Cylindrical NMR bias magnet apparatus employing permanent magnets and methods therefor
07/19/1988US4758812 Frame structure for a magnet system for nuclear spin tomography
07/19/1988US4758789 ESR spectrometer having split-ring resonator
07/19/1988US4758742 Shunt activated pulse generator
07/19/1988US4758422 Ferrioxamine paramagnetic contrast agents for MR imaging
07/19/1988CA1239444A1 Device for measuring the gradient of a magnetic field by the magnetooptical effect
07/14/1988WO1988005167A1 Correction device using magnetic elements for correcting unhomogeneities of the magnetic field in a magnet
07/13/1988EP0274149A1 Gradient coil for a magnetic resonance imaging apparatus
07/12/1988USRE32712 Moving gradient zeugmatography
07/12/1988US4757290 For use as a radio frequency probe in magnetic resonance systems
07/12/1988US4757262 Method for geophysical exploration using electromagnetic array
07/12/1988US4757261 Magnetic field homogeneity
07/12/1988US4757260 Method of producing nuclear magnetic resonance of an object and an apparatus therefor
07/06/1988EP0273484A2 Magnetic resonance imaging apparatus comprising a stacked surface coil system
07/06/1988EP0273481A2 Non-oriented gear tooth sensor using a Hall cell
07/06/1988EP0273153A2 Method and apparatus for fast scan cine NMR imaging