| Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
|---|
| 07/01/1980 | US4210861 Fourier-transform nuclear gyromagnetic resonance spectrometer |
| 07/01/1980 | CA1080798A1 Pulsed rf excited spectrometer having improved pulse width control |
| 06/24/1980 | US4209746 Magnetic field gradient measuring device |
| 06/11/1980 | EP0011724A1 Method for direct determination of magnetostrictive constants and apparatus for applying it |
| 06/03/1980 | US4206132 Neculear magnetic resonance shift reagent |
| 05/28/1980 | EP0011335A1 Magnet coil arrangement for producing a homogeneous magnetic field |
| 05/27/1980 | US4205266 Method and apparatus to determine the proximity of a permanent magnet using a magnetometer |
| 05/06/1980 | US4201941 Spinning apparatus for NMR spectrometers |
| 05/06/1980 | CA1077137A1 Magnetic resonance apparatus |
| 04/22/1980 | CA1076253A1 Magnetic converter having a magnetoresistive element |
| 04/22/1980 | CA1076252A1 Magnetoresistive head |
| 04/16/1980 | EP0009535A1 Spinning apparatus for nuclear magnetic resonance spectrometers, and spectrometer incorporating this spinning apparatus |
| 04/15/1980 | US4197987 Device for detecting magnetic fields and method of making same |
| 04/15/1980 | CA1075769A1 Means for viewing nuclear magnetic resonance |
| 04/02/1980 | EP0009288A1 Magnet coil arrangement for producing linear magnetic field gradients |
| 04/01/1980 | CA1074868A1 Apparatus for testing tube wall thickness |
| 03/25/1980 | US4195261 Method and apparatus for measuring the stripe width and collapse field of magnetic materials |
| 03/20/1980 | WO1980000496A1 Noncontacting measurement of hall effect in a wafer |
| 03/19/1980 | EP0008721A1 Noncontacting measurement of Hall effect in a semiconductor wafer |
| 03/18/1980 | US4194150 Method and apparatus for reducing magnetometer errors |
| 03/11/1980 | US4193029 Pulsed helium magnetometer |
| 03/11/1980 | US4193024 Pulsed nuclear magnetic resonance spectrometers |
| 03/04/1980 | US4191919 Fast NMR acquisition processor |
| 02/26/1980 | US4190871 Magnetic converter having a magnetoresistive element |
| 02/26/1980 | US4190799 Noncontacting measurement of hall effect in a wafer |
| 02/26/1980 | CA1072636A1 Magnetic flowmeter nulling system |
| 02/20/1980 | EP0007963A1 Method and device for measuring or detecting a mechanical change of state or its time derivative |
| 02/19/1980 | US4189674 Signal transducing means using a bistable magnetic device |
| 02/19/1980 | CA1072175A1 Apparatus for improving the radial homogeneity of axial magnetic fields |
| 02/12/1980 | CA1071707A1 Nuclear magnetic resonance pick-up circuit for control of resonance conditions |
| 02/06/1980 | EP0007868A1 Improvements in devices equipped to detect magnetic flux variations, especially in circuit interruptors |
| 01/29/1980 | US4186340 Apparatus for measuring the magnetic strength of magnetic work pieces |
| 01/29/1980 | US4186338 Phase change detection method of and apparatus for current-tracing the location of faults on printed circuit boards and similar systems |
| 01/23/1980 | EP0006983A1 Controlled-avalanche tension transistor that can be sensitive to a magnetic field |
| 01/22/1980 | US4185237 Continuous measurement method and device |
| 01/15/1980 | US4184110 Investigation of samples by N.M.R. techniques |
| 01/08/1980 | US4182987 Magnetometer employing hard axis thin film inductor |
| 01/08/1980 | CA1069585A1 Apparatus for determining a magnetic field |
| 12/25/1979 | US4180775 Magnetic thin-film split-domain current sensor-recorder |
| 12/25/1979 | US4180769 Superconducting solenoid with compensation for axial gradients |
| 12/18/1979 | US4179719 Thin film magnetic head |
| 12/18/1979 | CA1068401A1 Magnetoresistive read head assembly for servo operation |
| 12/18/1979 | CA1068101A1 Apparatus for measuring the wall thickness of tubes |
| 12/04/1979 | CA1067579A1 Selective detection of multiple quantum transitions in nuclear magnetic resonance |
| 12/04/1979 | CA1067578A1 Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe |
| 12/04/1979 | CA1067577A1 Nuclear magnetic resonance spectrometer employing an improved resonance signal gating circuit |
| 12/04/1979 | CA1067576A1 Gyromagnetic resonance spectroscopy employing spin echo spin-spin decoupling and two-dimensional spreading |
| 11/14/1979 | EP0005183A1 Semiconductive field-effect transistor used as a field sensor, in particular as a magnetic field sensor |
| 11/13/1979 | CA1066361A1 Probe for measurement of magnetic flux of alternating current polyphase electric machine |
| 11/06/1979 | US4173775 Selective excitation of coils comprising a superconducting magnet |
| 10/31/1979 | EP0004888A1 Device for measuring the position, the situation and/or changes in position or situation of a rigid body in a space |
| 10/30/1979 | US4172315 Method of manufacturing a magnetic field sensitivity indicator apparatus for evaluating magnetic fields in parts during magnetic particle inspection |
| 10/30/1979 | CA1065333A1 Rare earth complexes as nuclear magnetic resonance shift reagents |
| 10/23/1979 | US4172235 Thin film magnetometer insensitive to spin |
| 10/16/1979 | US4171511 Automatic field-frequency lock in an NMR spectrometer |
| 10/16/1979 | CA1064578A1 Quantitative analysis of nuclear magnetic resonance spectra having solvent peaks |
| 09/25/1979 | CA1063207A1 Magnetic field sensing apparatus |
| 09/25/1979 | CA1063173A1 Two dimensional gyromagnetic resonance spectroscopy |
| 09/18/1979 | US4168462 Indirect detection of magnetic resonance by heteronuclear two-dimensional spectroscopy |
| 09/04/1979 | US4166972 NMR discrimination apparatus and method therefor |
| 08/21/1979 | US4165480 Prospecting system using rotating superconducting electromagnetic dipole |
| 08/21/1979 | US4165479 Nuclear magnetic resonance apparatus and methods |
| 08/21/1979 | CA1061011A1 High carrier velocity magnetic sensor |
| 08/14/1979 | US4164777 Superconducting switch incorporating a steering diode |
| 08/14/1979 | US4164700 High pressure apparatus for microwave resonance spectroscopy |
| 08/07/1979 | US4163986 Twin channel Lorentz coupled depletion width modulation effect magnetic field sensor |
| 08/07/1979 | US4163877 Housing for circuitry and loudspeaker of a magnetic locator shields and resiliently mounts the loudspeaker |
| 07/12/1979 | WO1979000412A1 Nucleus magnetic resonance system |
| 07/11/1979 | EP0002659A1 Magneto-optical method for measuring current |
| 06/28/1979 | WO1979000369A1 Method and device for measuring or detecting a mechanical change of state or its time derivative |
| 06/26/1979 | US4159537 Bubble detector-dynamic level signal shifting |
| 06/19/1979 | US4158811 Method and apparatus for testing and setting magnetic field strength of permanent magnets in magnetic bubble domain modules |
| 06/12/1979 | CA1056502A1 Eliminating part of magnetic crostalk in magnetoresistive sensors |
| 06/05/1979 | US4157503 Apparatus and method for testing the thickness of the wall of a moving tube leaving an extruder |
| 06/05/1979 | US4157495 Nuclear magnetic resonance gyro |
| 05/29/1979 | CA1055607A1 Tape sensing device for magnetic tape recording and/or reproducing apparatus |
| 05/29/1979 | CA1055429A Inspection apparatus and method for detecting flaws in substantially cylindrical objects |
| 05/22/1979 | US4156188 Method and apparatus for testing the magnetic properties of rotors for hysteresis motors |
| 05/01/1979 | US4152646 Brake for manually operable magnetic thickness gauges |
| 04/17/1979 | CA1052861A1 Gyromagnetic resonance fourier transform zeugmatography |
| 04/10/1979 | CA1052457A1 Sensing circuit with four terminal semi-conductor device |
| 04/03/1979 | US4147979 Movable probe carrying optical waveguides with electro-optic or magneto-optic material for measuring electric or magnetic fields |
| 04/03/1979 | US4147974 Nuclear gyroscope with unequal fields |
| 03/21/1979 | EP0001160A2 Planar PNPN semiconductor device of circular geometry and magnetic field sensor using such a device |
| 02/27/1979 | US4142218 Magnetoresistive head |
| 02/06/1979 | CA1048125A1 Sensing circuit with a four terminal insulated gate semi-conductor device |
| 01/30/1979 | US4137498 Magnetic flux standard and method for calibrating fluxmeters |
| 01/30/1979 | CA1047254A1 Apparatus for introducing ingredients, expecially plant treating substances, into a stream of water |
| 01/23/1979 | US4136371 Magnetic head employing hard axis thin film inductor |
| 01/23/1979 | CA1046756A1 Magnetic heading reference for a vehicle |
| 01/10/1979 | EP0000318A1 Semiconductor field-effect sensor for an electric or magnetic field |
| 01/09/1979 | US4134058 Selective detection of multiple quantum transitions in nuclear magnetic resonance |
| 01/09/1979 | CA1046161A1 Magneto-resistive head with crosstalk compensation |
| 01/02/1979 | US4132949 Method and apparatus for the continuous, contactless testing of an elongated conductor which consists at least partially of superconductive material |
| 12/26/1978 | US4131443 Fused silica nuclear magnetic resonance and filter cells with stabilized vapor densities |
| 12/12/1978 | US4129880 Channel depletion boundary modulation magnetic field sensor |
| 12/12/1978 | US4129822 Wide-band nuclear magnetic resonance spectrometer |
| 11/21/1978 | US4126823 Magnetic field detection apparatus |
| 11/14/1978 | US4125807 Magnetic thickness gauge having convertible scales |
| 11/07/1978 | US4124814 Magnetic displacement transducer wherein two relatively movable gratings vary the magnetic field coupled to a Hall plate proportional to the displacement |