| Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887) |
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| 11/07/1978 | US4124813 Method of viewing nuclear magnetic resonance |
| 11/07/1978 | CA1042074A1 Fourier transform nmr spectroscopy employing a phase modulated rf carrier |
| 10/31/1978 | US4123707 Magnetic field sensor housed in a cooling device for sensing the charge in a shaft furnace or the like |
| 10/31/1978 | US4123431 Non-oxo-carbonyl containing benzoyl ecgonine and cocaine compounds and derivatives thereof |
| 10/24/1978 | US4122386 Uniform magnetic field generating device |
| 10/17/1978 | US4121157 Castable magnetic particle flaw detection composition and method using constituents that are non-volatile and resistant to oxidation below 100° F and having a viscosity less than 12,000 centipoises |
| 10/17/1978 | US4121156 Rotating spindle and stationary transducer device for sensing the preferred magnetically permeable orientation in magnetic media |
| 10/17/1978 | CA1040711A1 Magnetic flux measuring mechanism |
| 10/10/1978 | US4119911 Magnetoresistor displacement sensor using a magnetoresistor positioned between relatively moving magnetized toothed members |
| 10/10/1978 | US4119893 Circuit for forming an electrical quantity which is proportional to a flux component in a rotating field machine |
| 10/10/1978 | CA1040268A1 Magnetic field sensing apparatus |
| 09/26/1978 | US4117402 Apparatus for measuring the wall thickness of a moving tube wherein at least one measuring body inside the tube may be lifted off the tube by the motion of the tube |
| 09/19/1978 | US4115730 Nuclear magnetic resonance apparatus and methods |
| 09/19/1978 | US4114454 Method of measuring the resonance frequency of mechanical resonators |
| 09/12/1978 | US4114087 Magnetic or electric measuring devices |
| 09/05/1978 | US4112367 Magnetomer using a thin magnetic film optical waveguide with a.c. modulation and automatic nulling |
| 08/29/1978 | US4110689 Magnetic detecting apparatus with novel means for positioning sensor assembly in a housing |
| 08/29/1978 | US4110681 NMR field frequency lock system |
| 08/29/1978 | US4110236 Nondestructive magnetic recording medium |
| 08/29/1978 | CA1037563A1 Wall thickness measuring head for non-metallic coatings |
| 08/29/1978 | CA1037562A1 Apparatus for detecting the direction of a magnetic field |
| 08/22/1978 | US4109199 Three axis magnetometer calibration checking method and apparatus |
| 08/22/1978 | CA1037121A1 Magnetic locator having improved sensors |
| 08/15/1978 | US4107607 Magnetometer using a field controlled oscillator, the oscillator core being maintained near its Curie point |
| 08/15/1978 | US4107606 Non-contacting electromagnetic thickness gauge for sheet measurement having improved small distance sensitivity |
| 08/15/1978 | US4107604 Hall effect displacement transducer using a bar magnet parallel to the plane of the Hall device |
| 08/15/1978 | US4106337 Magnetic flow meter nulling system |
| 08/08/1978 | US4105971 Permeability responsive oscillator for detecting phase transformations at various cooling rates |
| 08/01/1978 | US4104591 Method of adjusting a permanent magnet by using a hypothetical demagnetization curve lower than the actual value |
| 08/01/1978 | US4104577 Magnetic resonance apparatus |
| 07/18/1978 | US4101829 Differential current detector |
| 07/11/1978 | US4100609 Magnetoresistance detector for crosstie memories |
| 07/11/1978 | US4100563 Semiconductor magnetic transducers |
| 07/11/1978 | US4100492 Harmonic magnetic field probe with novel core construction |
| 07/11/1978 | US4099918 Spectrometric analysis |
| 07/04/1978 | US4099238 Apparatus for determining a magnetic field |
| 06/27/1978 | US4097802 Magnetoresistive field sensor with a magnetic shield which prevents sensor response at fields below saturation of the shield |
| 06/13/1978 | US4095168 Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe |
| 06/06/1978 | US4093912 NMR magnet assembly with pole face parallelism adjustment |
| 06/06/1978 | US4093911 Nuclear magnetic resonance spectrometer employing an improved resonance signal gating circuit |
| 06/06/1978 | US4093910 Nuclear magnetic resonance pick-up circuit for control of resonance conditions |
| 05/23/1978 | US4091323 Automated sample changer for nuclear magnetic resonance spectrometer |
| 05/09/1978 | US4088954 Magnetometer with a miniature transducer and automatic scanning |
| 05/09/1978 | US4088946 Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen |
| 05/09/1978 | US4088944 NMR Spectrometer employing self centering turbine |
| 05/02/1978 | US4087749 Method and apparatus for normalizing the outputs of sequentially scanned magnetic flaw detectors |
| 05/02/1978 | US4087738 Magnetic resonance detection method and apparatus |
| 04/25/1978 | US4086527 Method and apparatus for monetary articles authentification |
| 03/28/1978 | US4081742 Quantitative analysis of nuclear magnetic resonance spectra having solvent peaks |
| 03/21/1978 | US4079730 Apparatus for measuring externally of the human body magnetic susceptibility changes |
| 03/14/1978 | US4079360 Magnetic field sensing apparatus |
| 03/14/1978 | US4079312 Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor |
| 02/28/1978 | US4077002 Method and apparatus for NMR sample tube vortex plug |
| 02/21/1978 | US4075553 Electromagnetic detector responsive to a modification of radiated field by an intruding metallic object |
| 02/21/1978 | US4075552 Wide-band nuclear magnetic resonance spectrometer |
| 02/14/1978 | US4074197 System for rotating small permanent magnets while adjusting and simultaneously sensing the magnetic moments thereof |
| 01/31/1978 | US4071818 Magnetostrictive position indicator |
| 01/24/1978 | US4070708 Analytical instrument optimum data acquisition method and apparatus |
| 01/24/1978 | US4070611 Gyromagnetic resonance fourier transform zeugmatography |
| 01/10/1978 | US4068164 Harmoic flux gate magnetometers and gradimeters and windings |
| 01/10/1978 | US4068161 Gyromagnetic resonance spectroscopy employing spin echo spin-spin decoupling and two-dimensional spreading |
| 01/03/1978 | US4066962 Metal detecting device with magnetically influenced Hall effect sensor |
| 12/27/1977 | US4065714 Pulsed RF excited spectrometer having improved pulse width control |
| 12/20/1977 | US4064453 Magnetic field detector |
| 12/20/1977 | US4064029 Sputtering niobium-tin alloy on sapphire |
| 12/13/1977 | US4063207 Coil structure |
| 12/13/1977 | US4063159 Adjusting device for magnetic probes |
| 12/13/1977 | US4063158 Gaussmeter |
| 12/13/1977 | US4063157 Magnetic testing device for internal surfaces of pipe using a magnetizing means and expandable magnetizable material within the pipe |
| 11/29/1977 | US4060761 Tubular magnetic field sensor with means to rectify the sensed signal |
| 11/22/1977 | US4059798 Method and apparatus for measuring the current flowing in a workpiece |
| 11/22/1977 | US4059796 Second harmonic magnetic field detection circuit with means to rectify the sensed signal |
| 11/15/1977 | US4058782 Method and apparatus for compensation of interference magnetic fields |
| 11/15/1977 | US4058763 Apparatus for automatically magnetizing permanent magnet bodies, measuring their magnetic retentivity and sorting them |
| 11/01/1977 | US4056770 Dynamo electric machine permanent magnet flux test apparatus which simulates actual flux conditions of the motor |
| 10/11/1977 | US4053829 Apparatus for detecting the direction of a magnetic field to sense the position of, for example, a rotary element or the like |
| 10/11/1977 | US4053826 Apparatus for detection of rotational angle and number of rotations of a rotary body |
| 10/04/1977 | US4052661 Nuclear magnetic resonance probe |
| 09/27/1977 | US4051430 Apparatus for measuring, and indicating, the thickness of a non-metallic coating of an arcuate metal surface |
| 09/27/1977 | US4051429 Nuclear magnetic resonance apparatus |
| 09/20/1977 | US4050013 Magnetic field probe which measures switching current of magnetic element at moment the element switches as measure of external field |
| 09/20/1977 | US4050012 Dual biased static sensing magnetic transducer |
| 09/20/1977 | US4050009 Spectrometer for external detection of magnetic and related double resonance |
| 09/20/1977 | US4048847 Nondestructive detection of stress |
| 09/13/1977 | US4048648 High carrier velocity fet magnetic sensor |
| 09/13/1977 | US4048557 Planar magnetoresistance thin film probe for magnetic field alignment |
| 09/13/1977 | US4048555 Spin resonance spectrometer and magnet structure |
| 08/30/1977 | US4045723 Two dimensional gyromagnetic resonance spectroscopy |
| 08/30/1977 | US4045420 Immunoassay |
| 08/23/1977 | US4044302 Test set for measuring magnetic properties of magnetic amplifier cores by sinusoidal current excitation |
| 08/16/1977 | US4042898 Pole piece for use in magnet device and method for manufacturing same |
| 08/09/1977 | US4041378 Interchangeable probe tip for a magnetic thickness gauge |
| 08/09/1977 | US4041377 Magnetostriction testing apparatus having digital output display |
| 08/02/1977 | US4039936 Interleaved magnetoresistive displacement transducers |
| 08/02/1977 | US4039935 Variable frequency stress transducer |
| 07/26/1977 | US4038692 Tape sensing device for magnetic tape recording and/or reproducing apparatus |
| 07/26/1977 | US4038597 Magnetoresistance detection device having noise suppression |
| 07/19/1977 | US4037150 Method of and apparatus for eliminating the effect of non-equipotentiality voltage on the hall voltage |
| 07/19/1977 | US4037149 Multiple mode magnetometers |
| 07/12/1977 | US4035785 Bubble domain sensor-error detector |