Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
07/1993
07/13/1993US5227721 Superconductive magnetic sensor having self induced magnetic biasing
07/13/1993US5227720 Apparatus and method using a bifilar coil with an integrated loop/switch for resistance measurement of superconductors
07/13/1993US5227645 Dc squid element with quasi-planar-type josephson junction
07/13/1993US5226418 Phase correction of complex - difference processed magnetic resonance angiograms
07/08/1993WO1993013428A1 Current sensor
07/08/1993WO1993013386A1 Vehicle compass with electronic sensor
07/08/1993WO1993012721A1 Method and apparatus for producing nuclear magnetic resonance of an object
07/08/1993DE4212737C1 Compact bridge-connected sensor - has thin-film resistors on substrate
07/07/1993EP0550306A1 Magneto-resistive sensor for weak magnetic fields
07/07/1993EP0549807A1 Sensor for force, acceleration and magnetism using piezoelectric devices
07/06/1993US5225999 Magnetic environment stabilization for effective operation of magnetically sensitive instruments
07/06/1993US5225782 Eddy current free MRI magnet with integrated gradient coils
07/06/1993US5225781 Robust decomposition of NMR images by chemical species
07/06/1993US5225780 Ultra-fast NMR scans with preparation phase
07/06/1993US5225779 Hybrid magnetic aresonance spatial and velocity imaging
07/06/1993US5225778 Optical pumping, resonance magnetometer using a sequential polarization
07/06/1993CA1319949C Method and apparatus for controlling the magnetic flux of an induction motor
06/1993
06/30/1993EP0549463A1 Cryogenic device for magnetic sensor
06/30/1993EP0548841A1 Magnetoresistance effect element
06/30/1993EP0548391A1 Offset compensated Hall-sensor
06/30/1993EP0543928A4 Analyzing heart wall motion using spatial modulation of magnetization
06/29/1993US5224026 Alternatable constant current circuit
06/29/1993US5223798 Method for measuring the resistive transition and critical current in superconductors using pulsed current
06/29/1993US5223243 Dipyridoxyl phosphate chelating compound intermediates useful as NMRI contrast agents
06/29/1993US5222500 Magnetic resonance imaging method and apparatus for the same
06/24/1993WO1993012404A1 Polarizerless magneto-optic speed and torque sensor
06/24/1993WO1993011702A2 Data gathering method for mr angiography
06/24/1993DE4142234A1 Sensor carrier for use in nuclear spin tomography - contains upper and lower spring-loaded housing parts pivotably joined by axle and with light conductor leading to opposing cushions on front ends
06/23/1993EP0547918A1 NMR sample shaper
06/23/1993EP0547917A1 Reduction of gradient coil interaction with room temperature shims
06/23/1993EP0547573A1 Magnet apparatus suitable for magnetic resonance imaging
06/23/1993CN1073531A 磁传感器 Magnetic sensors
06/22/1993US5221903 Method for the determination of very small magnetic susceptibilities and probehead for a high resolution nmr spectrometer for the purpose of carrying out the method
06/22/1993US5221902 NMR neck coil with passive decoupling
06/22/1993US5221901 Double surface coil for a nuclear magnetic resonance apparatus
06/22/1993US5221900 Magnet structure for focusing of magnetic resonance images
06/22/1993US5221899 Signal acquisition in magnetic resonance analysis
06/22/1993US5221898 Flow imaging method using an MRI apparatus
06/22/1993US5221897 Directional resonance magnetometer
06/22/1993US5221518 DNA sequencing apparatus
06/22/1993US5220800 Nmr magnet system with superconducting coil in a helium bath
06/22/1993CA1319394C Active attenuation system for medical patients
06/17/1993DE4141386A1 Hall sensor integrated on semiconductor chip mfd. using semiconductor processing - has current conductor for producing magnetic field and magnetic field regional cover of ferromagnetic material and substrate with two different conducting types
06/16/1993EP0547045A2 Apparatus for observing a superconductive phenomenon in a superconductor
06/16/1993EP0547037A1 Method and apparatus for performing an NMR experiment
06/16/1993EP0546823A2 Magnetometer
06/16/1993EP0546622A1 Magnetic resonance apparatus comprising a bird-cage RF coil
06/15/1993US5220302 Nmr clinical chemistry analyzer and method of forming a shield
06/15/1993US5219653 Sheet for assisting in nmr diagnosis
06/15/1993US5219554 NMR imaging; diagnosis
06/15/1993US5219553 Magnetic resonance imaging contrast media
06/15/1993US5218964 Method for providing accurate reference markers in magnetic resonance images
06/11/1993WO1993012088A1 Ion-sensitive compounds
06/11/1993CA2101530A1 Ion-sensitive compounds
06/10/1993WO1993011451A1 Nuclear magnetic resonance detection of geologic structures
06/10/1993WO1993011441A1 Improvements in nqr testing
06/10/1993WO1993011427A1 Magneto-optical method for testing articles
06/10/1993WO1993011426A1 Magnetometer of increased sensitivity, selectivity and dynamic range
06/10/1993WO1993011425A1 Electron spin resonator
06/09/1993EP0545465A1 Magnetic resonance device
06/09/1993EP0545422A1 Multiple pulse responder and detection system and method of making and using same
06/09/1993EP0545058A1 Direction change sensor for motor vehicles
06/09/1993DE4240740A1 Static magnetic field generator for nuclear spin tomography - has yoke for holding pair of rectangular shaped magnets, and eight triangular prism shaped magnets
06/08/1993US5218532 Method and system for acquiring MR data in MRI
06/08/1993US5218531 NMR spectroscopic analyzing method
06/08/1993US5218300 Method and equipment for noise-reduction when detecting a target by means of a system of several detector elements
06/08/1993US5218299 Method for correcting spectral and imaging data and for using such corrected data in magnet shimming
06/08/1993US5218298 Two-terminal-hall-sensors monitoring system for providing decoded magnetic field amplitude signals and system diagnostic signals
06/08/1993US5218297 Superconductive quantum interference device in high temperature environments having reduced inductance and improved thermal noise response
06/08/1993US5218296 Method and apparatus for determining at least one characteristic of a superconductive film
06/08/1993US5218279 Method and apparatus for detection of physical quantities, servomotor system utilizing the method and apparatus and power steering apparatus using the servomotor system
06/08/1993US5217706 Contrast, solubility
06/08/1993US5217016 Method for generating optimal pulses for magnetic resonance imaging using spatial modulation of magnetization
06/08/1993US5217010 Ecg amplifier and cardiac pacemaker for use during magnetic resonance imaging
06/05/1993CA2083886A1 Multiple pulse responder and detection system and method of making and using same
06/03/1993DE4240529A1 Superconducting magnetometer, e.g. for measuring earth's magnetic field from aircraft - has several SQUIDs at defined angles, and computes field from results of measurements in constant field state and in use
06/02/1993EP0544585A1 Nuclear magnetic resonance pulse sequences for determining bound fluid volume
06/02/1993EP0544479A2 Magnetic field sensing device
06/02/1993EP0543928A1 Analyzing heart wall motion using spatial modulation of magnetization
06/02/1993EP0436675B1 Process and device for locating submarines
06/01/1993US5216560 Stabilization of magnetoresistive sensors using the longitudinal field produced by the current in the contact leads
06/01/1993US5216405 Package for the magnetic field sensitive device
06/01/1993US5216401 Magnetic field sources having non-distorting access ports
06/01/1993US5216400 Magnetic field sources for producing high-intensity variable fields
06/01/1993US5216368 Quadrature coil system
06/01/1993US5216367 MR imaging apparatus capable of automatically selecting multiple surface coils
06/01/1993US5216366 Methods and apparatus for investigatitng the composition of material
05/1993
05/27/1993WO1993010468A1 Improved magnetic resonance analysis in real time, industrial usage mode
05/27/1993WO1993010467A1 No drift zero-offset magnetometer
05/27/1993WO1993010440A1 Gel particle contrast media for improved diagnostic imaging
05/27/1993CA2121681A1 Gel particle contrast media for improved diagnostic imaging
05/27/1993CA2121027A1 Improved magnetic resonance analysis in real time, industrial usage mode
05/26/1993EP0543468A1 Magnetic resonance imaging method
05/25/1993US5214383 MRI apparatus with external magnetic field compensation
05/25/1993US5214382 Magnetic resonance imaging with selective contrast enhancement
05/25/1993US5214381 Method for selectively exciting nuclear spins in a radio-frequency field with predetermined strength
05/25/1993US5214380 Velocity-resolved NMR spectroscopy
05/25/1993US5214377 Magnetic debris monitor using magneto-optic sending
05/25/1993US5213788 Chromium complex associated with heparin
05/25/1993US5213101 Process for the detection of cancer using nuclear magnetic resonance