Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
03/1994
03/24/1994DE4235387C1 Position sensing, non-destructive investigation of magnetic Barkhausen noise - has inductive sensor with two=part ferromagnetic core whose tips are brought together to form gap of size related to dimension of analysed region, and piezo-crystal control member for setting sepn. between sensor and sample
03/23/1994EP0588650A1 Amplifier circuit
03/23/1994EP0587718A1 Apparatus for indicating characteristics of a patient undergoing mri
03/23/1994EP0587708A1 Determination of induced change of polarization state of light
03/23/1994EP0587628A1 Methods and apparatus for nqr testing
03/23/1994CN1084282A Temp-compensating circuit of hall device
03/22/1994US5297033 Data processing method in nuclear magnetic resonance measurement
03/22/1994US5296814 Tunable signal coupler for a magnetic resonance imaging system
03/22/1994US5296813 Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
03/22/1994US5296812 Superconducting magnet assembly for MRI and MRI diagnostic apparatus
03/22/1994US5296811 Magnetic resonance imaging apparatus and method
03/22/1994US5296810 MRI self-shielded gradient coils
03/22/1994US5296809 Magnetic resonance experiment and apparatus
03/22/1994US5296808 MRI imaging system without aliasing
03/22/1994US5296807 Apparatus for determining location of an element of magnetizable material in a construction structure
03/22/1994US5296802 Current sensor using a resonance directional magnetometer
03/22/1994US5295488 Method and apparatus for projecting diagnostic images from volumed diagnostic data
03/22/1994CA1327995C Fluxgate sensor
03/22/1994CA1327993C Nmr lipoprotein analysis of blood
03/17/1994WO1994006034A1 Frustoconical magnet for magnetic resonance imaging
03/17/1994WO1994006030A1 Magnetoresistive integrated circuit sensor with high output voltage swing and temperature compensation
03/17/1994WO1994006029A1 Method of measuring magnetic field induction
03/16/1994EP0587482A1 NMR magnetometer probe with a single resonator and a only radical solution
03/16/1994EP0587423A1 Gradient magnetic field coils
03/16/1994EP0586983A1 Gradient coil system for a therapy tomograph
03/16/1994EP0586947A1 Cryostat with a flexible mechanical way of making thermal contact
03/16/1994EP0586685A1 Dor nmr sample spinner
03/16/1994EP0586602A1 Highly efficient yoked permanent magnet
03/16/1994EP0586583A1 Detection of explosives by nuclear quadrupole resonance
03/16/1994EP0470095B1 Magnet system with superconducting field coils
03/15/1994US5295086 Method of producing noise free frequency spectrum signals
03/15/1994US5294886 Antenna system for a magnetic resonance imaging tomography apparatus
03/15/1994US5294885 Resonator for electron spin resonance spectroscopy
03/15/1994US5294884 High sensitive and high response magnetometer by the use of low inductance superconducting loop including a negative inductance generating means
03/15/1994US5294805 Method and apparatus for analyzing tracking error in magnetic tapes
03/10/1994DE4329498A1 Magnetic resonance imaging RF coil for imaging human head - has two null inclination solenoid coils on transparent substrate mounted in helmet
03/10/1994DE4326054A1 MRI gradient driver current fully-digital control - comparing digitised analog flux measurement signal with digital flux demand signal to produce digital coil current demand signal
03/09/1994EP0585973A1 Method for correcting position deviation due to static magnetic field change in an NMR imaging device
03/09/1994EP0585782A2 Composite magnetic component and method of manufacturing the same
03/09/1994EP0482010B1 Process for generating a pulse sequence
03/08/1994US5293519 RF coil for a nuclear magnetic resonance imaging device
03/08/1994US5293126 Local transverse gradient coil
03/08/1994US5293120 Resonator for electron spin resonance spectroscopy
03/08/1994US5293119 Electromagnetic microscope for evaluation of electrically conductive and magnetic materials
03/08/1994US5293118 Device for measuring thickness of sheet article with magnet and probe carriers provided with rollers
03/08/1994US5293116 Method and apparatus for measuring nonlinearity in thin film heads during their fabrication
03/08/1994US5291891 Monitoring body functions using fast NMR pulse sequences
03/08/1994US5291890 Magnetic resonance surgery using heat waves produced with focussed ultrasound
03/08/1994CA2105609A1 Nmr magnetometer probe having a single resonator and a single radical solution
03/03/1994WO1994005022A1 Superconducting control elements for rf antennas
03/03/1994WO1994004946A1 Method of improving fat saturation during mri
03/03/1994WO1994004937A1 Method of and apparatus for nmr testing
03/03/1994WO1994004702A2 Improved detection and therapy of lesions with biotin/avidin conjugates
03/03/1994DE4326681A1 Magnetic field measuring appts. - has RMS converter and magnetic field sensor monolithically integrated on silicon@ chip
03/03/1994CA2142881A1 Detection and therapy of lesions with biotin/avidin conjugates
03/02/1994WO1994006132A1 Magnetic structure having a mirror
03/02/1994EP0585009A2 Magnetoresistive sensor
03/02/1994EP0585008A2 A magnetoresistive sensor and method of making the same
03/02/1994EP0584874A2 Miniaturized Squid-module, in particular for multichannel magnetometer
03/02/1994EP0584867A2 Driving circuit for a Squid, in particular for a DC-Squid
03/02/1994EP0584866A2 Shielding envelope for Squid-magnetometer against electromagnetic interference fields
03/02/1994EP0584258A1 Apparatus and method for imaging the structure of diamagnetic and paramagnetic objects
03/02/1994EP0584224A1 Nuclear magnetic resonance detection of geologic structures
03/02/1994EP0584112A1 Apparatus for in-line analysis of flowing liquid and solid materials by nuclear magnetic resonance
03/02/1994CN1083250A Antiferromagnetic exchange coupling in magne tores istive spin valve sensors
03/02/1994CN1083223A Method for rejecting waste I-shape ferrites
03/02/1994CA2127258A1 Magnetic structure having a mirror
03/01/1994US5291610 In a nuclear magnetic resonance imaging system
03/01/1994US5291171 Magnet apparatus suitable for magnetic resonance imaging
03/01/1994US5291169 Open architecture magnetic resonance imaging superconducting magnet assembly
03/01/1994US5291138 Rotating frame imaging system
03/01/1994US5291137 Processing method and apparatus for processing spin echo in-phase and quadrature amplitudes from a pulsed nuclear magnetism tool and producing new output data to be recorded on an output record
03/01/1994US5291135 Weak magnetic field measuring system using dc-SQUID magnetometer with bias current adjustment and/or detecting function of abnormal operation
02/1994
02/24/1994DE4227162A1 Iterative shim method for base field magnet of nuclear spin tomography appts. - repeatedly varying shim current to increase correlation coefficients of echo signals resulting from bipolar gradient pulse sequence following HF stimulation
02/23/1994EP0583824A2 Coil arrangement for magnetic resonance female breast examination
02/23/1994EP0583640A1 Magnetic pickup coil
02/23/1994EP0583260A1 Method and apparatus for obtaining an nmr signal having a preselected frequency domain
02/22/1994US5289151 Electrical coils
02/22/1994US5289130 NMR sample rotor cooling technique
02/22/1994US5289129 Multiple winding MRI gradient coil
02/22/1994US5289128 Superconducting gradient shield coils
02/22/1994US5289127 Correction of signal distortion in an NMR apparatus
02/22/1994US5289126 Magnetic resonance imaging apparatus
02/22/1994US5289125 Method of electron spin resonance enhanced MRI
02/22/1994US5289124 Permeability determination from NMR relaxation measurements for fluids in porous media
02/22/1994US5289121 Composite pickup coil for measurement of magnetic field components in a superconducting quantum interference device
02/22/1994US5287854 Electron spin resonance enhanced MRI using an echo planar imaging technique
02/22/1994US5287591 Carpet cleaning machine with convertible-use feature
02/17/1994WO1994003826A1 Dosimetry and imaging of radiant energy by formation of a polymer in a gel
02/17/1994WO1994003824A1 Method of obtaining images representing the distribution of paramagnetic material in solution
02/17/1994WO1994003823A1 A single shot magnetic resonance method to measure diffusion, flow and/or motion
02/17/1994WO1994003822A1 Methods and apparatus for mri
02/17/1994WO1994003821A1 Nmr sample rotor cooling technique
02/17/1994WO1994003819A1 Device for measuring the dielectric and magnetic characteristics of materials
02/17/1994WO1994003109A1 A method for quantitatively measuring and mapping stored iron in tissue
02/17/1994WO1994003107A1 Artifact-free imaging contrast agent
02/17/1994WO1993025191A3 Bioresorbable polymer microspheres free from surface active agents, their preparation and application as drug
02/17/1994DE4226441A1 Arrangement for measuring vaporisation rate of liquefied gases - has evaporation opening flow measurement device, press. sensors, level measurement device and computer unit
02/16/1994EP0583104A1 Angiography apparatus and methods
02/16/1994EP0582967A1 NMR angiography using fast pulse sequences with preparatory pulses