Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
04/1989
04/20/1989DE3733268A1 Method and apparatus for detecting cancer cell substance in the blood
04/19/1989EP0312427A2 Imaging NMR process for intravoxel movements inside a body
04/19/1989EP0312296A2 Device and method for quantum nondemolition measurements using parametric oscillation
04/18/1989US4823085 Nuclear magnetic resonance imaging method and device
04/18/1989US4823084 Method of determining the spectral distribution of the nuclear magnetization in a limited volume range
04/18/1989US4823083 Integrated head for the measurement of magnetic fields and method of making this head
04/18/1989US4822772 Electromagnet and method of forming same
04/12/1989EP0311351A2 Acquisition and processing of spin-echo nmr spectra
04/12/1989EP0311294A2 Magnet systems
04/12/1989EP0153303B1 Method and apparatus for obtaining n.m.r. spectra
04/12/1989CN1003887B Measuring head for inductive measurement of thickness of insulating layer on electric conductor
04/11/1989US4821133 Bottleneck magnetoresistive element
04/11/1989US4821012 Magnetoresistive element
04/11/1989US4820988 Magnetic gradient coil set for nuclear magnetic resonace system having substantially different coil-patient spacings
04/11/1989US4820987 Magnetic resonance imaging apparatus comprising an activatable birdcage RF coil
04/11/1989US4820986 Inductive circuit arrangements
04/11/1989US4820985 Apparatus for tuning an NMR field coil
04/11/1989US4820984 MR tomography method and MR tomography apparatus for performing the method
04/11/1989US4820983 Method and apparatus for performing an NMR experiment
04/11/1989US4820982 Device for exploring the inner volume of a cylinder and an investigation system equipped with this device
04/11/1989US4820981 Method and apparatus for measuring magnetic losses in ferromagnetic materials based on temperature modulation measurements
04/11/1989US4819450 Low cost intermediate radiation shield for a magnet cryostat
04/06/1989WO1989003031A1 Gradient coil system for nmr machines
04/06/1989WO1989002723A1 Magnetic resonance imaging system
04/06/1989DE3732579A1 NMR tomograph for body sections
04/05/1989EP0310434A2 Magnetic resonance imaging system
04/05/1989EP0310279A2 Two-terminal multiplexable sensor
04/05/1989EP0310212A2 Magnetic resonance imaging system and method of manufacturing thereof
04/05/1989EP0309720A2 Process for producing spin echo impulse sequences with a nuclear spin tomograph and nuclear spin tomograph equipped for carrying out this process
04/05/1989EP0309577A1 A method of making an integrally shielded Mr magnet.
04/05/1989CN1032238A Method and system for measuring electromagnetic parameters of microwave absorbing material
04/04/1989US4818966 Magnetic field generating device
04/04/1989US4818943 Phantom for imaging systems
04/04/1989US4818942 Method of high-speed magnetic resonance imaging employing continuous wave readout gradient
04/04/1989US4818941 MR tomography method and apparatus for performing the method
04/04/1989US4818940 Method for measuring nuclear magnetic resonance
04/04/1989US4818938 Magnetic resonance imaging apparatus
04/04/1989US4818937 Rapid line scan NMR imaging
04/04/1989US4818864 Method for eliminating undesirable charged particles from the measuring cell of an ICR spectrometer
04/04/1989US4818080 Monolithic faraday optical switch
04/04/1989US4817706 Liquid cooling type uniform magnetic field coil
04/04/1989US4817612 Cross-coupled double loop receiver coil for NMR imaging of cardiac and thoraco-abdominal regions of the human body
04/04/1989CA1252150A1 Magnetic field sensor
03/1989
03/30/1989DE3731144A1 Method and device for screening magnetic fields
03/29/1989EP0309336A1 Method for measuring the frequency of a periodic signal and frequency meter using such a method
03/29/1989EP0309255A1 Apparatus and process for detecting direct current magnetic flux deflections of an electrical transformer
03/29/1989EP0309254A1 Apparatus and process for detecting direct current magnetic flux deflections of an electrical transformer
03/29/1989EP0308983A2 NMR imaging with Mn(II) coordination compositions
03/29/1989EP0308654A2 Device for conveying a sample holder for NMR spectrometer
03/28/1989US4816962 Uniform magnetic field coil
03/28/1989US4816796 Permanent magnet device
03/28/1989US4816766 Surface coil for examination using a nuclear magnetic resonance apparatus
03/28/1989US4816765 Magnetic resonance imaging apparatus comprising a quadrature coil system
03/28/1989US4816764 Method for the identification of nuclear magnetic spectra from spatially selectable regions of an examination subject
03/28/1989US4816762 Three-dimensional metric, perfusion and metabolic compartment spectroscopy phantom
03/28/1989US4816761 Apparatus for measuring the hysteresis loop of hard magnetic films on large magnetic recording disk
03/28/1989CA1251846A1 Laser light source device
03/22/1989EP0307989A2 Nuclear magnetic resonance spectrometer
03/22/1989EP0307981A1 Magnetic resonance apparatus comprising integrated gradient r.f. coils
03/22/1989EP0307863A1 Perfluoro-crown ethers in fluorine magnetic resonance imaging
03/22/1989EP0307516A1 Magnetic resonance imaging apparatus with eddy-current disturbances correction system
03/22/1989EP0307433A1 Fast imaging process by nuclear magnetic resonance.
03/22/1989EP0307432A1 System of permanent magnets for a strong magnetic field.
03/21/1989US4814710 Method of determining the spectral distribution of the nuclear magnetization in a limited volume range
03/21/1989US4814709 Method of selecting specific region of sample
03/21/1989US4814708 Magnetic resonance imaging method, and device for determining the pulse angle of an r.f. electromagnetic pulse
03/21/1989US4814707 Scalar magnetometer with vector capabilities
03/21/1989US4814706 Fiber-optic magnetic field gradiometer for first, second and higher order derivatives
03/21/1989US4813244 Hydraulically actuated cryogenic leads
03/16/1989EP0179816A4 Spatially selective nuclear magnetic resonance pulse sequences.
03/16/1989DE3729306A1 Method for determining the nuclear magnetisation distribution in a layer of a region under examination and NMR tomograph for carrying out the method
03/15/1989EP0307261A1 Method and apparatus for the estimation of the electromagnetic characteristics of a dielectric or magnetic material
03/15/1989EP0307072A2 Vessel for a magnetic resonance imaging magnet system
03/15/1989EP0307064A2 Magnetic resonance imaging method utlizing small excitation pulses
03/15/1989EP0306763A2 MRI transmit coil disable switching via rf in/out cable
03/15/1989CN1003612B Radio-frequency coil for nmr
03/14/1989US4812923 Tape inspection apparatus
03/14/1989US4812812 Apparatus and method for determining the position and orientation of a remote object
03/14/1989US4812797 Compensation coil for temporal drift of a superconducting magnet
03/14/1989US4812796 Quench propagation device for a superconducting magnet
03/14/1989US4812767 For controlling a light intensity of a light beam
03/14/1989US4812765 Method of adjusting the homogeneity correctors of the magnetic field created by a magnet
03/14/1989US4812764 Calibrated decoupling of tightly coupled concentric surface coils
03/14/1989US4812763 Electron spin resonance spectrometer
03/14/1989US4812762 Fast method and device for determining an NMR distribution in a region of a body
03/14/1989US4812761 Electrically parallel equal phase resonant loops for nuclear magnetic resonance surface coils
03/14/1989US4812760 Multi-dimensional selective NMR excitation with a single RF pulse
03/14/1989US4812759 Measuring base
03/14/1989US4812753 Method and arrangement for determining a corrected MRI surface coil image
03/14/1989CA1251259A1 Magnetic resonance imaging method
03/09/1989WO1989002084A1 Magnetic bridge devices
03/09/1989WO1989002083A1 A high resolution magnetometer
03/09/1989WO1989002082A1 Single-winding magnetometer
03/09/1989WO1989002081A1 Flux-balance magnetometer
03/09/1989DE3728864A1 Capacitor arrangement
03/09/1989DE3728863A1 Arrangement for producing sectional images by nuclear magnetic resonance
03/08/1989EP0306135A2 Magnetic resonance imaging methods and apparatus
03/08/1989EP0305978A2 Magnetoelectric element and magnetoelectric apparatus
03/08/1989EP0305830A2 MRI QD RF coil having diode switched detuning circuit producing reduced artifact
03/08/1989EP0305430A1 Optical device with a non reciprocal polarization rotator