Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 33 - Arrangements or instruments for measuring magnetic variables
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
12/1988
12/29/1988WO1988010500A1 Cylindrical nmr bias magnet apparatus employing permanent magnets and methods therefor
12/29/1988WO1988010419A1 Improvements in and relating to magnetic resonance imaging
12/29/1988DE3819375A1 ESR tissue cell
12/28/1988EP0296834A2 Magnetic resonance imaging methods and apparatus
12/28/1988EP0296833A1 Improvements in and relating to magnetic resonance imaging
12/28/1988EP0296698A2 Apparatus for magnetic field homogenization
12/28/1988CA1247699A Fast method and device for determining an nmr distribution in a region of a body
12/28/1988CA1247698A Fast method and device for determining an nmr distribution in a region of a body
12/28/1988CA1247697A Method of measuring the nuclear magnetic resonance for use in nmr tomography
12/27/1988US4794338 Balanced self-shielded gradient coils
12/27/1988US4794337 Method and apparatus for magnetic resonance analysis of nuclear distribution
12/27/1988US4793356 Surface coil system for magnetic resonance imaging
12/27/1988US4793355 Apparatus for process for making biomagnetic measurements
12/22/1988DE3719306A1 Magnet for NMR tomographs and process for the production thereof
12/21/1988EP0296005A1 Nuclear magnetic resonance magnetometer
12/21/1988CN88102253A Intelligent coercimeter
12/21/1988CN88102088A Method of updating scale factor of apparatus for measuring alternating electric current by means of faraday effect
12/20/1988US4792760 Reception antenna for optical image formation device using nuclear magnetic resonance
12/20/1988US4792759 Multi-frequency surface probe
12/20/1988US4792758 Steady-state echo magnetic resonance imaging
12/20/1988US4792757 Oil well logging tools measuring paramagnetic logging effect for use in open boreholes and cased well bores
12/20/1988CA1247220A1 Shielded room construction for containment of fringe magnetic fields
12/15/1988WO1988009937A1 Device for exploring the internal volume of a cylinder
12/15/1988WO1988009929A1 Process for calibrating the amplitude of the high frequency excitation of an nmr imaging apparatus
12/15/1988WO1988009928A1 Process for calibrating high-frequency excitation in nmr testing
12/15/1988WO1988009927A1 Device for fixing and adjusting a holder for carrying gradient coils
12/15/1988WO1988009926A1 Receiving aerial for nmr imaging apparatus
12/14/1988EP0295134A2 Nuclear magnetic resonance sensing apparatus and methods
12/14/1988EP0294683A2 Method for recording ICR mass spectra and ICR mass spectrometer developed for performance of this method
12/13/1988US4791392 Resonance system
12/13/1988US4791372 Conformable head or body coil assembly for magnetic imaging apparatus
12/13/1988US4791371 Apparatus useful in magnetic resonance imaging
12/13/1988US4791370 Gradient field structure and method for use with magnetic resonance imaging apparatus
12/13/1988US4791369 Method of measuring magnetic field error of an NMR imaging apparatus and of correcting distortion caused by the error
12/13/1988US4791368 Automatic magnetic field measuring apparatus using NMR principles
12/13/1988US4791311 Two-terminal multiplexable sensor
12/13/1988US4790619 Transmitters; glass of germanium, silicon or arsenic oxides with a heavy metal oxide
12/13/1988CA1246660A1 Cryostat for nmr magnet
12/07/1988EP0293723A2 Magnetic coil system of an NMR imaging system, with superconducting coils and a shield for protection against eddy currents
12/07/1988EP0293694A2 Improved methods for localization in NMR spectroscopy
12/07/1988EP0293378A1 Interferometric apparatus
12/06/1988US4789833 Method for correcting position deviation due to static magnetic field change in NMR imaging device
12/06/1988US4789832 Three-dimensional NMR spectroscopy
12/06/1988US4789831 Producing pseudocolor magnetic resonance images
12/06/1988US4789830 Determining absolute image intensity in magnetic resonance systems
12/06/1988US4788834 Method and system for controlling magnetic field generating unit in magnetic resonance imaging apparatus
12/06/1988CA1246144A1 Magnetic resonance imaging method utilizing small excitation pulses
11/1988
11/30/1988EP0293085A1 Magnetic resonance imaging apparatus
11/30/1988EP0292542A1 Self-referencing magnetic resonance spectroscopy system
11/29/1988US4788504 Apparatus for measuring the residual magnetization vector in cylindrical coordinates of a geological core sample
11/29/1988US4788503 Magnetic resonance imaging apparatus having a detuned RF coil
11/29/1988US4788502 Apparatus for compensating for time-vibrant field interference in magnetic fields
11/29/1988US4788501 Method for calibrating a radiofrequency excitation in NMR experimentation
11/29/1988US4788500 Measurement of capillary flow using nuclear magnetic resonance
11/29/1988CA1245724A1 Drift compensation technique for a magneto-optic current sensor
11/29/1988CA1245553A1 Contrast agents for nmr imaging
11/23/1988EP0292064A1 Apparatus for nuclear spin tomography with digitalized transmitter/receiver
11/23/1988EP0166755B1 Diagnostic and contrast agent
11/22/1988US4786993 Voltage amplifier for constant voltage biasing and amplifying signals from a MR sensor
11/22/1988US4786872 NMR imaging method and apparatus
11/22/1988US4786871 NMR imaging method and apparatus
11/22/1988EP0195070A4 Method and apparatus for producing electromagnetic surveillance fields.
11/17/1988WO1988008971A1 Electromagnetic antenna and excitation antenna provided with such electromagnetic antenna for a nuclear magnetic resonance apparatus
11/17/1988EP0291387A1 Method for measuring the flow in a nuclear magnetic resonance experiment
11/17/1988EP0291282A2 Improvements in or relating to echo planar imaging systems
11/17/1988EP0291157A2 Eddy current correction in magnetic resonance apparatus and methods
11/17/1988EP0290890A1 Method and apparatus to determine the field angle of an induction machine digitally
11/17/1988EP0290811A2 Device for measuring the magnitude and direction of a magnetic field, especially of the earth-magnetic field
11/17/1988EP0290648A1 Atomic force sensor head for investigating the topography of a surface
11/17/1988EP0290608A1 Method of selective excitation in nmr imaging
11/17/1988EP0290554A1 Method for representing moving parts in a body by nmr experimentation
11/16/1988CN86207610U Multipurpose teslameter
11/15/1988US4785246 Magnetic resonance imaging apparatus
11/15/1988US4785245 For determining the amount of organic material in a mixture
11/15/1988US4785244 Magneto-electric sensor device and sensing method using a sensor element comprising a 2-phase decomposed microstructure
11/15/1988US4785239 Method and apparatus for characterizing magnetic coating compositions as well as improving magnetic particle dispersions
11/15/1988US4785232 Contactless hall coefficient measurement apparatus and method for piezoelectric material
11/15/1988US4784146 Angled segment receiver coil for NMR imaging of a human head
11/15/1988CA1244885A1 Flux gate sensor
11/15/1988CA1244879A1 Method for measuring nuclear magnetic resonance
11/10/1988DE3813479A1 Einrichtung zur genauen lokalisierung von ferromagnetischem material in biologischem gewebe Means for accurate localization of ferromagnetic materials in biological tissue
11/09/1988EP0290315A1 Receiving antenna using passive decoupling, particularly for use with a nuclear magnetic resonance imaging apparatus
11/09/1988EP0290187A2 Cavity resonator
11/09/1988EP0290047A2 Dipyridoxyl phosphate nuclear magnetic resonance imagery contrast agents
11/09/1988EP0289791A1 Process for updating the scale factor of an electric alternating current measuring appliance using the Faraday effect
11/09/1988CN87103184A Dipole moment meter
11/08/1988US4783711 Magnetoresistive sensor having magnetic shields of ferrite
11/08/1988US4783641 NMR radio frequecny field coil with distributed current
11/08/1988US4783629 RF coil for MRI with self-tracking ganged coupling capacitors
11/08/1988US4783628 Unitary superconducting electromagnet
11/08/1988US4782839 Method for determining flowing matter by means of NMR tomography
11/08/1988US4782671 Cooling apparatus for MRI magnet system and method of use
11/03/1988WO1988008622A1 Single-turn loop resonator
11/03/1988WO1988008543A1 Spurious resonance control for nmr observe coils
11/03/1988WO1988008522A1 Detector for force, acceleration and magnetism using resistor element
11/02/1988EP0289414A2 Method and device for the digitization and linearization of a quasi-sinusoidal sensor
11/02/1988EP0289360A2 RF frequency adjustment for magnetic resonance scanner
11/02/1988EP0288927A2 Laser driven helium magnetometers
11/02/1988EP0288861A1 Nuclear magnetic resonance imaging apparatus
11/02/1988EP0288835A1 Magnet system for a nuclear spin tomography installation with superconducting single coils and a radiation shield
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