Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
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10/01/1991 | US5053706 Compact low-distortion squid magnetometer |
10/01/1991 | US5053705 Read/write coaxial magnetic head for use with apparatus for measuring the surface of superconductors |
10/01/1991 | US5053704 Flow imager for conductive materials |
10/01/1991 | US5053703 Electromagnetic probe for measuring the thickness of skin layers |
10/01/1991 | US5053617 Instrument for concurrently optically measuring thermal and electric quantities |
10/01/1991 | US5053383 Method of reducing critical current density of oxide superconductors by radiation damage |
10/01/1991 | US5052398 QRS filter for real time heart imaging with ECG monitoring in the magnetic field of an NMR imaging system and NMR imaging apparatus employing such filter |
09/27/1991 | CA2034477A1 Gradient amplifier system with flexible amplifier allocation |
09/25/1991 | WO1991014457A1 Method for the study of internal body tissues |
09/25/1991 | EP0448475A1 Magnometer with improved shield |
09/25/1991 | EP0448368A2 Multichannel SQUID flux meter |
09/25/1991 | EP0448331A2 Mass spectrometry systems |
09/25/1991 | EP0448114A1 Thin-film magnetic material and process of production thereof |
09/25/1991 | EP0447970A2 Method and apparatus for imaging blood vessels employing magnetic resonance |
09/25/1991 | CA2079099A1 Method for the study of internal body tissues |
09/24/1991 | US5051903 Method and apparatus for predicting values of a varying periodic phenomenon |
09/24/1991 | US5051700 Feedback circuit for noiseless damping of the Q of an MRI receiver coil antenna |
09/24/1991 | US5051699 Magnetic resonance imaging system |
09/24/1991 | US5051698 NMR imaging systems |
09/24/1991 | US5051697 Flow angiology with static signal suppression |
09/24/1991 | US5051695 Thin film vector magnetometer |
09/24/1991 | US5050609 Magnetization transfer contrast and proton relaxation and use thereof in magnetic resonance imaging |
09/24/1991 | US5050607 High resolution magnetic resonance imaging of body cavities |
09/24/1991 | US5050605 Magnetic resonance imaging antennas with spiral coils and imaging methods employing the same |
09/24/1991 | CA2038529A1 Shielded magnetometer |
09/24/1991 | CA1289621C Frequency difference digital compass and magnetometer |
09/18/1991 | EP0447039A2 Resizing MRI images using fourier transformation |
09/18/1991 | EP0446998A2 Nuclear spin examination apparatus |
09/18/1991 | EP0446923A2 High-sensitive magnetometer |
09/18/1991 | EP0446496A2 Shielded magnetizing device and angular rate sensor in which such a device is used |
09/18/1991 | CN1054668A Zero magnetic flow direct current mutual-inductor |
09/17/1991 | US5049848 High field strength magnet, preferably having remote shimming of field |
09/17/1991 | US5049821 Continuously variable field of view surface coil for NMR imaging |
09/17/1991 | US5049820 Magnetic resonance signal acquisition methods |
09/17/1991 | US5049819 Magnetic resonance analysis in real time, industrial usage mode |
09/17/1991 | US5049818 Gradiometer for detecting weak magnetic fields including grooves carrying superconducting thin film conductors and method of making same |
09/17/1991 | CA1289081C Masking sound device |
09/13/1991 | WO1991014178A1 Lipophilic contrast agents for diagnostic image analysis |
09/13/1991 | CA2077556A1 Lipophilic contrast agents for diagnostic image analysis |
09/11/1991 | EP0445960A1 NMR imaging |
09/11/1991 | EP0445441A1 Angular rate sensor |
09/11/1991 | EP0445362A1 Magnetic induction measuring apparatus |
09/11/1991 | EP0445125A1 Low field nmr machine with dynamic polarization |
09/11/1991 | EP0233237B1 Low r.f. dosage magnetic resonance imaging of high velocity flows |
09/10/1991 | WO1991014186A1 Improvements in and relating to magnetic resonance imaging |
09/10/1991 | US5048105 Method and apparatus for enlarging or reducing images |
09/10/1991 | US5047720 Correction device using magnetic elements for correcting unhomogeneities of the magnetic field in a magnet |
09/10/1991 | US5047636 Linear prediction ion cyclotron resonance spectrometry apparatus and method |
09/10/1991 | US5046498 Magnetic resonance human medical and veterinary imaging method |
09/10/1991 | CA1288812C Thermometry using phase transitions in encapsulated liquid crystals andmagnetic resonance detection methods |
09/10/1991 | CA1288806C Method for homogenizing a static magnetic field over an arbitrary volume |
09/05/1991 | WO1991013451A1 Method and apparatus for tuning and matching an nmr coil |
09/05/1991 | WO1991013367A1 Roll-over aliasing suppression in undersampled images |
09/05/1991 | WO1991013366A1 Method and apparatus for magnetic detection |
09/05/1991 | WO1991013351A1 Method for enhancing nuclear magnetic resonance imaging using a nitroxide |
09/05/1991 | DE4106470A1 Sensor using Hall effect - has measuring transducer in magnetic circuit consisting of two flux conductive pieces opposite permanent magnet |
09/04/1991 | EP0445017A1 Coaxial resonator with distributed tuning capacity |
09/04/1991 | EP0444873A2 Apparatus for measuring distribution of magnetic field |
09/04/1991 | EP0444151A1 Magnetic susceptibility imaging (msi). |
09/04/1991 | EP0444096A1 System for determining the position of receptor regions. |
09/04/1991 | EP0316312B1 radio-frequency energization method in an nmr experiment |
09/04/1991 | EP0242391B1 A magnetic self-ranging system for use in the degaussing of ships |
09/04/1991 | EP0216925B1 Determination of t1 relaxation times used in automated nuclear magnetic resonance image synthesis |
09/04/1991 | CA2037394A1 Determination of magnetic interference in a borehole |
09/03/1991 | US5045826 Actively shielded magnetic resonance magnet without cryogens |
09/03/1991 | US5045794 Method of optimizing passive shim placement in magnetic resonance magnets |
09/03/1991 | US5045793 Toroids as NMR detectors in metal pressure probes and in flow systems |
09/03/1991 | US5045792 Split and non-circular magnetic resonance probes with optimum field uniformity |
09/03/1991 | US5045791 Nuclear magnetic resonance imaging method |
09/03/1991 | US5045790 Investigating a sample using NMR |
09/03/1991 | US5045788 Digital SQUID control system for measuring a weak magnetic flux |
09/03/1991 | US5045777 Electric signal producing system |
09/03/1991 | US5045304 Metallic imaging agent, incubation, encapsulation, labelling, suspension, administering by intravenous infusion |
09/03/1991 | US5044368 Diagnostic electrode for use with magnetic resonance imaging |
09/03/1991 | CA1288475C Instrument and method for testing for fluid constituents |
09/02/1991 | CA2036752A1 Solenoid actuator having a magnetic flux sensor |
08/28/1991 | EP0443677A2 Quadrature surface coil construction for magnetic resonance imaging apparatus |
08/28/1991 | EP0443069A1 Method of measuring the electric or magnetic field pattern with a sensor arrangement |
08/28/1991 | CN2083754U Pliers type wide frequency band current tester |
08/27/1991 | US5043665 Magnetic resonance imaging system |
08/27/1991 | US5043664 Magnetic resonance spectroscopy method and device for performing the method |
08/27/1991 | US5043529 Construction of shielded rooms using sealants that prevent electromagnetic and magnetic field leakage |
08/27/1991 | US5042488 Methods employing deuterium for obtaining direct, observable deuterium magnetic resonance images in vivo and in situ |
08/27/1991 | US5042485 Cine mr imaging method and apparatus |
08/22/1991 | WO1991012545A1 Method for producing an index lattice in an optical fibre, and a quasi-distributed sensor array formed therein |
08/22/1991 | WO1991012538A1 Magnetic field generating assembly |
08/22/1991 | WO1991012537A1 Series/parallel double-tuned nmr coils |
08/22/1991 | WO1991012024A1 Triarylmethyl radicals and the use of inert carbon free radicals in mri |
08/22/1991 | DE4104246A1 Generating NMR tomography image with nonlinear image processing - using relative amplification of strong image data signals and achieving reduced processing times |
08/22/1991 | DE4005079A1 Magnetic field gradient tensor measurement - uses five or more planar gradiometers on three or more non-parallel surfaces |
08/21/1991 | EP0442536A2 Atomic force sensor head for measuring the properties of a data store |
08/21/1991 | EP0442407A1 Ferromagnetic thin film magnetic field sensor |
08/21/1991 | EP0442034A1 Thermomagnetic oxygen sensor |
08/21/1991 | EP0441862A1 Magnetic field generating assembly. |
08/21/1991 | EP0441797A1 Vascular magnetic imaging method and agent. |
08/20/1991 | US5042077 Method of highlighting subtle contrast in graphical images |
08/20/1991 | US5041891 Amplifier section can output high voltage |
08/20/1991 | US5041791 Magnetic resonance RF probe with electromagnetically isolated transmitter and receiver coils |
08/20/1991 | US5041790 Dual-tuned RF coil for MRI spectroscopy |
08/20/1991 | US5041789 Magnetic-resonance instrument employing barcode experiment specification |