Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
05/1994
05/03/1994US5309097 Video display terminal magnetic field detector
05/03/1994US5309096 Magnetic field detector for a medical device implantable in the body of a patient
05/03/1994US5309095 Compact magnetometer probe and an array of them covering the whole human skull for measurement of magnetic fields arising from the activity of the brain
05/03/1994US5307814 Externally moveable intracavity probe for MRI imaging and spectroscopy
05/03/1994US5307813 In vivo imaging microscopic interval regions of a patient's body
05/03/1994US5307812 Heat surgery system monitored by real-time magnetic resonance profiling
05/03/1994US5307808 Tracking system and pulse sequences to monitor the position of a device using magnetic resonance
05/03/1994US5307806 NMR pelvic coil
05/03/1994CA2054580C Magnetoresistive sensor based on the spin valve effect
05/03/1994CA2008009C Apparatus for measuring magnetic field
05/03/1994CA1329251C Optical fibre measuring device, gyrometer, central navigation and stabilizing system
04/1994
04/28/1994WO1994009380A1 Apparatus to obtain flow rates in plastics via fixed frequency, pulsed nmr
04/28/1994WO1994009379A1 Real time magnetic resonance analysis with non-linear regression means
04/28/1994WO1994008629A1 Mr imaging compositions, based on poly(alkyleneoxide)
04/28/1994WO1994008509A1 Polymers as contrast media for magnetic resonance imaging
04/28/1994CA2153782A1 Real time magnetic resonance anaylsis with non-linear regression means
04/28/1994CA2146992A1 Mr imaging compositions, based on poly(alkyleneoxide)
04/28/1994CA2146986A1 Polymers as contrast media for magnetic resonance imaging
04/28/1994CA2144779A1 Apparatus to obtain flow rates in plastics via fixed frequency, pulsed nmr
04/27/1994EP0594243A2 Magnetic field sensor
04/27/1994EP0593701A1 Magnetic fields measuring instrument
04/27/1994CN1085767A Medical instrument with even magnetic field
04/26/1994US5307228 Magnetic field damage indicator
04/26/1994US5307226 Improved magnetoresistive transducer with substantially perpendicular easy axis
04/26/1994US5307039 Frustoconical magnet for magnetic resonance imaging
04/26/1994US5307037 Shim lead assembly with flexible castellated connector for superconducting magnet
04/26/1994US5307016 Magnetic field generating apparatus
04/26/1994US5307015 NMR relaxometry using variable initial flip angle
04/26/1994US5307014 Inflow MR angiography with spatially variable flip angles
04/26/1994US5306640 Method for determining preselected properties of a crude oil
04/26/1994US5306521 Process for manufacturing DC superconducting quantum interference device
04/26/1994US5305750 Neck bending apparatus
04/26/1994US5305749 Side-loading of patient into MRI C-magnet while maintaining adjacent open accessibility to patient
04/21/1994DE4326044A1 Time averaged localisation of electrophysiological activities in living being - superimposing by strong background noise measured using model of current density in absence of electrophysiological activities using multi-channel system
04/21/1994DE4326043A1 Localisation of electrophysiological activities overlaid by strong background - measuring using model of current density in absence of electrophysiological activities using multi-channel measuring system to form background co-variance matrix
04/20/1994EP0593216A2 Transmission electron microscope and its use
04/20/1994EP0592816A1 Directly coupled system for sample change for us in liquid NMR spectroscopy
04/20/1994EP0545948B1 High symmetry dc squid system
04/20/1994EP0312596B1 Image diagnosing apparatus
04/19/1994US5305212 Alternating and static magnetic field gradient measurements for distance and direction determination
04/19/1994US5305075 Magnetostrictive transducer system having a three dual-strip fiber optic magnetostrictive transducers bonded into a single fiber mach-zehnder interferometer
04/19/1994US5304983 Multiple pulse responder and detection system and method of making and using same
04/19/1994US5304975 Magnetoresistance effect element and magnetoresistance effect sensor
04/19/1994US5304972 Superconducting magnet apparatus having circulating path for coolant
04/19/1994US5304934 Superconducting magnet for imaging human limbs
04/19/1994US5304933 Surgical local gradient coil
04/19/1994US5304932 Apparatus and method for shielding MRI RF antennae from the effect of surrounding objects
04/19/1994US5304931 Magnetic resonance imaging techniques
04/19/1994US5304930 Remotely positioned MRI system
04/19/1994US5304929 Nuclear magnetic resonance tomography apparatus operable with a pulse sequence according to the echo planar method
04/19/1994US5304928 Method of magnetic resonance imaging
04/19/1994US5303707 Magnetic resonance methods and apparatus
04/19/1994US5303706 Directional interpolation for magnetic resonance angiography
04/19/1994US5303705 Evoked 23NA MR imaging of sodium currents in the brain
04/14/1994WO1994008396A1 Adaptive filtering of periodic noise
04/14/1994WO1994008249A1 Characterisation of magnetic materials
04/13/1994EP0591641A1 DC superconducting quantum interference device
04/13/1994EP0591542A1 Magnetic field generator for mri
04/13/1994EP0591334A1 Mri interference-filtered monitor, stimulator and pacemaker
04/12/1994US5302901 Magnetic resonance apparatus comprising decoupled receiver coils
04/12/1994US5302900 NMR sample shaper
04/12/1994US5302899 Method and device for compensating of field disturbances in magnetic fields
04/12/1994US5302898 Electron spin resonance spectrometers
04/12/1994US5302897 NMR analysis of polypropylene in real time
04/12/1994US5302896 Magnetic resonance analysis in real time industrial usage mode
04/07/1994DE4233332A1 Magnetoresistive sensor for measuring positional distribution of magnetic field gradients - has parallel magnetoresistive film strips on flat chip connected to form potential divider with barber pole structure
04/07/1994DE4232731A1 NMR image generation with single point imaging - applying sequence of HF pulses and varying gradient fields to object in homogeneous magnetic field
04/06/1994EP0590712A1 Magnetic resonance apparatus
04/06/1994EP0590434A1 Process for producing a device having enhanced magnetoresistance and use of the device
04/06/1994EP0590349A2 Magnetometer probe
04/06/1994EP0590179A1 Magnet position detector
04/06/1994EP0590178A1 Magnetic field detector
04/06/1994EP0502850B1 R.f. pulse cascade for generating nmr spectra
04/05/1994US5301079 Current biased magnetoresistive spin valve sensor
04/05/1994US5300888 NMR thermal analyzer
04/05/1994US5300887 Pulsed field MRI system with spatial selection
04/05/1994US5300886 Method to enhance the sensitivity of MRI for magnetic susceptibility effects
04/05/1994US5300885 Field probe for measuring vector components of an electromagnetic field
03/1994
03/31/1994WO1994007250A1 Permanent magnetic structure
03/31/1994WO1994007154A1 Computerized magnetic resonance analyzer
03/31/1994WO1994006963A1 Continuous elemental analysis of process flows
03/31/1994DE4332599A1 Barber pole magnetoresistive sensor - has sensor block with length and width matched to size of annular magnetic core air-gap
03/31/1994DE4324661A1 Prodn. of copper-cobalt structure of improved magneto-resistance - comprises forming intermediate prod. and then transforming into final prod. using heat
03/31/1994DE4232884A1 Antenna arrangement for nuclear spin resonance device - has sub antennae with screens and flat conductor structures on pole plates
03/31/1994DE4232883A1 Adiabatic high frequency pulse for stimulating nuclear spin - has amplitude and frequency modulated according to trigonometric function pair
03/31/1994DE4232882A1 Arrangement for winding fingerprint coils, esp. for gradient coils of nuclear spin tomography device - has rotatable flat plate with retractable winding pins and wire feed mechanism
03/31/1994DE4232827A1 Circularly polarised local antenna arrangement for nuclear spin tomography appts. - has array of three or more linearly polarised coils overlapped to achieve geometric decoupling.
03/31/1994DE4232244A1 Magnetoresistance sensor using multi-layer system - has intermediate layer between measuring layer and bias layer with perpendicular magnetisation
03/31/1994CA2144879A1 Computerized magnetic resonance analyzer
03/30/1994EP0746774A4 Detection of explosive and narcotics by low power large sample volume nuclear quadrupole resonance (nqr)
03/30/1994EP0589756A1 Probe for detection and dosage of molecular oxygen by EPR spectrometry
03/29/1994US5299253 Alignment system to overlay abdominal computer aided tomography and magnetic resonance anatomy with single photon emission tomography
03/29/1994US5298864 Nuclear magnetic resonance spectrometer and method for measuring the nuclear magnetic resonance
03/29/1994US5298863 Magnetic resonance imaging apparatus having a resonant circuit for generating gradient fields, and method for operating same
03/29/1994US5298862 Method for muclear magnetic resonance (NMR) tomography
03/29/1994US5298861 Magnetic resonance imaging apparatus
03/29/1994US5298689 Coordinate input device using Matteucci effect
03/29/1994US5297551 Weighted ray projection imaging for MR angiography
03/29/1994US5297550 For removing unwanted animal intruders
03/29/1994CA1328069C Perfluoro-crown ethers in fluorine magnetic resonance imaging