Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
03/1991
03/13/1991EP0416959A1 Magnetic field generating system
03/13/1991EP0416225A2 Magnetic field pickup for automotive ignition diagnostics
03/12/1991US4999692 Semiconductor magnetic field sensor
03/12/1991US4999600 Cylindrical permanent magnet to produce a transversal and uniform induction field
03/12/1991US4999581 Magnetic resonance imaging system
03/12/1991US4999580 magnetic resonance imaging and spectroscopy using a single excitation pulse for simultaneous spatial and spectral selectivity
03/12/1991US4999445 N-Carboxylated Desferrioxamine B Complexes with Metal Ions
03/12/1991US4998976 Permanent magnet arrangement
03/08/1991CA2018601A1 Magnetic field pickup for automotive ignition diagnostics
03/07/1991WO1991002983A1 Flux concentrator for magnetic sensors
03/06/1991WO1991003743A1 Method of and apparatus for nuclear magnetic resonance analysis using true logarithmic amplifier
03/06/1991EP0415683A2 NMR system
03/06/1991EP0415682A2 NMR system
03/06/1991EP0415668A2 High sensitivity optical magnetic field sensors
03/06/1991EP0415485A2 Installation to generate current pulses of an established form in an inductive user
03/06/1991EP0415439A2 Composite semiconductor device having function for overcurrent detection
03/06/1991EP0414700A1 Contrast agents for magnetic resonance imaging.
03/06/1991EP0233211B1 Surface coil system for magnetic resonance imaging
03/06/1991CA2066230A1 Method of and apparatus for nuclear magnetic resonance analysis using true logarithmic amplifier
03/05/1991US4998083 Yokeless permanent magnet structure and method of construction
03/05/1991US4998066 Radio frequency
03/05/1991US4998065 Non-destructive sectional shape inspecting method and apparatus
03/05/1991US4998064 Method of and device for determining a spin resonance distribution
03/05/1991US4998063 Fiber optic coupled magneto-optic sensor having a concave reflective focusing surface
03/01/1991WO1991003200A1 Hydroxy-aryl metal chelates for diagnostic nmr imaging
03/01/1991CA2024322A1 Pacman quench detector
02/1991
02/28/1991DE4023491A1 Magnetic resonance data acquisition from localised vol - saturating enclosing vol, applying gradient pulses and HF pulses and processing free induction delay signals
02/27/1991EP0414528A2 Ferromagnetic compensation rings for high field strength magnets
02/27/1991EP0414474A2 NMR system
02/27/1991EP0414443A1 Refrigerated MR magnet support system
02/27/1991EP0414318A2 Multimode magnetic resonance fast imaging method
02/27/1991EP0413984A1 Magneto-resistive sensor
02/27/1991EP0413686A1 Investigating a sample using nmr.
02/27/1991EP0177545B1 Use of ferromagnetic particles in contrast agents for nmr imaging and contrast agents
02/27/1991CN1049561A Optical fibre apparatus for measuring current intensity
02/26/1991US4996677 Multichannel magnetic and optical linear head
02/26/1991US4996621 Superconducting device for reading information from a magnetic recording medium
02/26/1991US4996483 Spinning angle optical calibration apparatus
02/26/1991US4996482 Capacitor stick for NMR probe
02/26/1991US4996481 Magnetic resonance RF probe with electromagnetically isolated transmitter and receiver coils
02/26/1991US4996480 Image reconstructing device for use in magnetic resonance imaging apparatus
02/26/1991US4996479 Magnetometer device with a Dewar vessel for measuring weak magnetic fields
02/26/1991US4996392 Superconductor magnetic image detection device
02/26/1991US4996311 Crystal structure, stability
02/26/1991US4996041 Administering complex of isotope and liquid carrier to measure the production of water
02/26/1991US4995394 Fast NMR cardiac profile imaging
02/26/1991US4995165 Roll-independent magneto meter system
02/23/1991WO1991002811A1 Resuspendable coated magnetic particles and stable magnetic particle suspensions
02/23/1991CA2013936A1 Ferromagnetic compensation rings for high field strength magnets
02/21/1991WO1991002262A1 Magnetic resonance rf probe with electromagnetically isolated transmitter and receiver coils
02/21/1991WO1991002261A1 Resonant cavities for nmr
02/21/1991WO1991002260A1 Time symmetric pulse to rotate magnetization vectors
02/21/1991WO1991002259A1 Biomagnetometer with remote pickup coil
02/21/1991WO1991001684A1 Image reconstruction method and device for magnetic resonance imaging apparatus
02/21/1991DE4024598A1 Circular polarised surface resonator for NMR tomography - has two coils in parallel of one current direction having antiparallel coil at right angles with opposed current directions
02/20/1991EP0413513A2 Associating values of periodic signal with elements of a set
02/20/1991EP0413511A2 NMR imaging
02/20/1991EP0413388A2 Current distribution noise suppression method for a dc squid
02/20/1991EP0413266A2 Method for simultaneously measuring NMR signals, especially for determining flow speed in NMR tomography, using the Multiple Slice Fourier Flow (= MUFF) method
02/20/1991EP0413154A2 Double carrier deflection high sensitivity magnetic sensor
02/20/1991EP0205534B1 Optical fibres and methods of manufacture thereof
02/19/1991US4994935 Superconducting magnet apparatus with an emergency run-down system
02/19/1991US4994746 Method of and apparatus for nuclear magnetic resonance analysis using true logarithmic amplifier
02/19/1991US4994745 Electron spin resonance spectroscopy
02/19/1991US4994744 Method for combining acquired NMR data to suppress motion artifacts
02/19/1991US4994743 Method for monitoring respiration with acquired NMR data
02/19/1991US4993414 Moving material projection imaging system using nuclear magnetic resonance
02/18/1991WO1991002967A1 Electron spin resonance spectrometers
02/18/1991CA2064840A1 Electron spin resonance spectrometers
02/17/1991CA2015511A1 Refrigerated mr magnet support system
02/14/1991DE3926204A1 Mains supply section for superconductive magnet of NMR tomograph - has gradient amplifier regulated to deliver desired current
02/13/1991EP0412824A2 Magnetic resonance imaging system
02/13/1991EP0412819A2 NMR imaging
02/13/1991EP0412818A2 RF synthesizer for an NMR instrument
02/13/1991EP0412817A2 NMR imaging
02/13/1991EP0412749A2 Magnetic resonance probes
02/13/1991EP0412747A2 Magnetic resonance systems
02/13/1991EP0412695A2 Magnetic resonance imaging
02/13/1991EP0412602A2 NMR spectroscopic method and apparatus for using it
02/13/1991EP0412568A2 Matching network and method for using same
02/13/1991EP0412394A2 Method and apparatus for compensating eddy current effects in a magnetic resonance device having pulsed magnetic field gradients
02/13/1991EP0412104A1 Cold marking of molecules of peptidic or proteinic nature
02/13/1991EP0412097A1 Magnetic field detection system
02/13/1991CN1011623B Gradient coil for magnetic resonance imaging apparatus
02/12/1991WO1991002248A1 Simultaneous multinuclear magnetic resonance imaging and spectroscopy
02/12/1991US4993075 Image reconstruction method in NMR imaging
02/12/1991US4992741 Capacitive sensor and metal detector with a display for quantitatively displaying signals resulting from concealed objects
02/12/1991US4992737 Sample head for NMR tomography
02/12/1991US4992736 Radio frequency receiver for a NMR instrument
02/12/1991US4992734 Rotation detector having a housing with a processing circuit and a transducer element holder
02/12/1991US4992659 Near-field lorentz force microscopy
02/12/1991US4992555 Certain dipyridylphosphate chelatable compounds capable of forming metal ion chelates
02/12/1991US4992554 Used as contrast agent in nuclear magnetic resonance imagery
02/12/1991US4991587 Adaptive filtering of physiological signals in physiologically gated magnetic resonance imaging
02/12/1991US4991586 Method for monitoring vascular flow using magnetic resonance signals
02/12/1991US4991447 Torque detecting device
02/12/1991CA2064842A1 Simultaneous multinuclear magnetic resonance imaging and spectroscopy
02/12/1991CA2021877A1 Method and apparatus for compensating eddy current effects in a magnetic resonance device having pulsed magnetic field gradients
02/12/1991CA1280167C Magnetic field direction indicating devices
02/12/1991CA1280161C Magnetic resonance imaging method, and device for determining the pulse angle of an r.f.electromagnetic pulse