Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
02/1993
02/11/1993DE4126412A1 Two component induction magnetometer - is for simultaneous measurement of field-parallel and vertical navigation components of anisotropic rock samples using pair of induction coils and identical uncoupling coils
02/10/1993EP0526983A1 Imaging methods and apparatus
02/10/1993EP0526555A1 Sample mount for nmr microscopy
02/10/1993EP0526514A1 Magnetic field generating assembly.
02/10/1993EP0526513A1 Magnetic field generating assembly.
02/10/1993EP0526503A1 Polymers as contrast media for magnetic resonance imaging.
02/10/1993CA2075658A1 Geometrically isolated multiple port volume mri receiving coil comprising multiple quadrature coils
02/09/1993US5185577 Receiver coil for nuclear magnetic resonance imaging apparatus
02/09/1993US5185576 Local gradient coil
02/09/1993US5185575 Magnetic resonance imaging apparatus with artefact reduction
02/09/1993US5185574 NMR measurements using recursive RF excitation
02/09/1993US5185573 Method for focusing of magnetic resonance images
02/09/1993US5184395 System for manufacturing permanent magnetic field generators and relevant magnet geometries therefor
02/07/1993CA2075419A1 Anatomically conformal quadrature mri surface coil
02/04/1993WO1993002365A1 Detection of explosive and narcotics by low powder large sample volume nuclear quadrupole resonance (nqr)
02/04/1993WO1993002342A1 Sensor for force, acceleration and magnetism using piezoelectric devices
02/04/1993WO1993001971A1 Portable station for the measurement and adjustment of the magnetic signature of a naval vessel
02/04/1993DE4224237A1 Selectively stimulating nuclear spin for NMR imaging - applying different gradient fields in two steps and stimulating spin in overlapping regions using HF pulses
02/04/1993DE4125655A1 Resonator arrangement for electron spin resonator spectroscopy - contains dielectric resonance ring coupler with coupling loop movable in parallel with ring axis
02/04/1993DE4125653A1 Resonator arrangement for electron spin resonance spectroscopy - contains separating plane between single upper part connectable to different lower parts giving flexibility of application
02/04/1993DE4125592A1 Tuning HF source esp. microwave of electron spin resonance spectrometer - sweeping frequency through defined region and setting absorption point in centre of region
02/04/1993DE4125087A1 Measuring equipment with field-sensitive gradiometer loop arrangement - contains integrated DC SQUID with parallel adjacent sub-loops and noise-suppression circuit for HF noise
02/04/1993CA2113434A1 Portable station for the measurement of the magnetic signature of a naval vessel
02/03/1993EP0526065A1 NMR imaging using flow compensated SSFP pulse sequences
02/03/1993EP0526044A1 Magnetoresistance effect element
02/03/1993EP0525533A2 Superconducting detection coils
02/03/1993EP0525246A1 Magnet arrangement with a magnetic stray field generating yoke body
02/03/1993EP0525235A1 Hall sensor with self-compensation
02/03/1993EP0525182A1 Dynamically balanced gifford-mcmahon refrigerator cold head
02/03/1993EP0524984A1 Lipophilic contrast agents for diagnostic image analysis
02/03/1993EP0517740A4 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions
02/03/1993EP0365622B1 Process and apparatus for non-destructive measurement of the magnetic properties of a test object
02/02/1993US5184106 Magnetic field sensor with improved electron mobility
02/02/1993US5184078 Apparatus for rotating an nmr test tube
02/02/1993US5184076 Magnetic resonance imaging coil for applying nmr and esr pulses
02/02/1993US5184075 Method and apparatus for compensating for nonuniformity of static magnetic field in MRI system
02/02/1993US5184074 Real-time mr imaging inside gantry room
02/02/1993US5184073 Method for correcting phase errors in a nuclear magnetic resonance signal and device for realizing same
02/02/1993US5184072 Apparatus for measuring weak static magnetic field using superconduction strips and a SQUID magnetometer
02/02/1993US5183045 Nmr measuring method and measuring apparatus for tissue of a living body
01/1993
01/28/1993DE4124776A1 Mfr. of pulse source with alternating magnetisable and non-magnetisable fields - involves deformation process subjecting source made of austenitic steel having face-centred cubic lattice
01/27/1993EP0524473A2 Three junction squid mixer
01/27/1993EP0524381A1 Microtechnical fabricated sensing device
01/27/1993EP0524363A1 Device for measuring a magnetic field using at least one magnetoresistive bar
01/27/1993EP0393092B1 Nmr imaging device, process for correcting non-uniformity and process for obtaining magnets used in said device
01/26/1993US5182515 Detector for magnetism using a resistance element
01/26/1993US5182514 Automatic compensator for an airborne magnetic anomaly detector
01/26/1993US5182465 Amplifier selector for magnetic resonance imaging machine
01/26/1993US5181385 Cryostat and nuclear magnetic resonance imaging apparatus including a cryostat
01/21/1993WO1993001509A1 Ultra-fast multi-section whole body mri using gradient and spin echo (grase) imaging
01/21/1993DE4122797A1 Spulenanordnung fuer messungen mittels magnetischer resonanz Coil arrangement for measurements using magnetic resonance
01/20/1993EP0523740A1 MRI auto power control method and system
01/20/1993EP0523083A1 Magnetic resonance experiment and apparatus
01/20/1993EP0523048A1 Fibre optic arrangement for measuring the strength of an electric current.
01/20/1993EP0328537B1 Cylindrical permanent magnet for producing a uniform and transverse induction field
01/20/1993EP0155324B1 Apparatus for detecting magnetism
01/19/1993US5181078 Fiber optic measuring device, rate gyro, navigation and stabilization system, and current sensor
01/19/1993US5181020 Thin-film magnetic material and process of production thereof
01/19/1993US5180982 Probehead for a nuclear magnetic resonance spectrometer
01/19/1993US5180981 Method for 3-D magnetic resonance imaging
01/19/1993US5180970 Mechanically adjustable current sensor and method for making same
01/19/1993US5180903 Magnetic detecting unit having aligned sensors
01/14/1993DE4120868A1 Magnetic moment measurement coil - has two or more coils, each with sub-coils giving fourth order sensitivity-position characteristic
01/13/1993EP0522796A1 Method and apparatus for obtaining pure-absorption two-dimensional lineshape data for multidimensional NMR spectroscopy using switched acquisition time gradients
01/13/1993EP0522742A1 Magnetic-resonance imaging apparatus
01/13/1993EP0522191A1 Method and apparatus for compensating field disturbances in magnetic fields
01/13/1993EP0269672B1 Device for measuring magnetic particles in a liquid
01/12/1993US5179429 Magnetic field sensor with split collector contacts for high sensitivity
01/12/1993US5179342 Superconductor quench measuring device which evaluates reflected pulses
01/12/1993US5179338 Refrigerated superconducting MR magnet with integrated gradient coils
01/12/1993US5179332 NMR radio frequency coil with disable circuit
01/12/1993US5178146 Grid and patient alignment system for use with MRI and other imaging modalities
01/07/1993WO1992021989A3 Methods and apparatus for nqr testing
01/07/1993EP0521660A1 Transverse gradient coils for imaging the head
01/07/1993EP0521559A1 Contour extraction in multi-phase, multislice cardiac MRI studies by propagation of seed contours between images
01/07/1993EP0521527A2 Magnetic garnet single crystal for measuring magnetic field intensity and optical type magnetic field intensity measuring apparatus
01/07/1993EP0327554B1 Magnetic block with adjustable magnetization for producing a permanent magnetic field in a zone of interest
01/07/1993EP0200750B1 Diester-dtpa-paramagnetic contrast agents for mri imaging, apparatus and methods
01/07/1993DE4219908A1 Magnetic resistance unit for full-path bridge circuit - has four ferro-magnetic resistance elements connected to each other in four-sided full-path bridge circuit
01/07/1993DE4122081C1 Hysteresis measurer for permanent magnetic samples - provides reception, measuring gap by pole shoes of electromagnet producing alternating magnetic flux
01/07/1993DE4121374A1 Compensated magnetic field sensor - comprises magnetoresistive ferromagnetic thin layer strips arranged in one plane with insulated electrical conductor through which compensation current flows
01/07/1993DE4119880A1 Magnetic flux measurement circuit with super-conductive quantum interference detector - has detector coupled to electrical oscillation circuit beyond which evaluation electronics are connected
01/06/1993CA2073129A1 Magnetic garnet single crystal for measuring magnetic field intensity and optical type magnetic field intensity measuring apparatus
01/05/1993US5177805 Optical sensors utilizing multiple reflection
01/05/1993US5177443 Nuclear magnetic resonance apparatus
01/05/1993US5177442 Transverse gradient coils for imaging the head
01/05/1993US5177441 Elliptical cross section gradient oil
01/02/1993CA2070517A1 Transverse gradient coils for imaging the head
12/1992
12/29/1992US5175499 Systems and markers using magnetic or spin resonance phenomena
12/29/1992CA1312147C Devices using high t -superconductors and method for making the same
12/23/1992EP0519804A1 Current sensor using a directional resonance magnetometer
12/23/1992EP0519637A1 Magnetic resonance apparatus
12/23/1992EP0519057A1 Method and apparatus for localized nmr spectroscopy using an interleaved spiral pattern
12/23/1992EP0518985A1 Improvements in and relating to magnetic resonance imaging.
12/22/1992US5173661 For investigating biological samples
12/22/1992US5173660 Packaged squid system with integral superconducting shielding layer
12/22/1992US5173659 Highly sensitive magnetic field detecting SQUID with dual demodulation circuit
12/22/1992US5173658 Inductive proximity sensor with force transferring support post for use in high pressure environments
12/22/1992CA1311799C Ambient magnetic field measuring oscillator
12/17/1992DE4119711A1 Measuring mass flows of multiple component flow e.g. oil-water-gas - involves polarising flow to saturation in magnet and measuring magnetisation along pipe