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Class Information
Number: 324/301
Name: Electricity: measuring and testing > Particle precession resonance > Using a magnetometer
Description: Subject matter utilizing means to measure the effects of external magnetic fields upon the resonance of a host material in a controlled electromagnetic field.

Sub-classes under this class:

Class Number Class Name Patents
324/302 To determine direction 31

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8547092 Proton precession magnetometer sensor measurable in all direction Oct. 1, 2013
8525516 Apparatus with ambient magnetic field correction Sep. 3, 2013
8519705 Method of performing MRI with an atomic magnetometer Aug. 27, 2013
8494610 Analysis of marketing and entertainment effectiveness using magnetoencephalography Jul. 23, 2013
8473211 Methods of correcting accelerometer and magnetometer measurements Jun. 25, 2013
8421455 Pulsed free induction decay nonlinear magneto-optical rotation apparatus Apr. 16, 2013
8334690 Atomic magnetometer and method of sensing magnetic fields Dec. 18, 2012
8289018 Gradient magnetometer atom interferometer Oct. 16, 2012
8290572 Method and system for navigating a catheter probe in the presence of field-influencing objects Oct. 16, 2012
8264222 Tomographic magnetic particle imaging (MPI) method and associated arrangement Sep. 11, 2012
8229540 Method for separating multichannel signals produced by AC and DC sources from one another Jul. 24, 2012
8217657 Diplex filter and method to filter signals Jul. 10, 2012
8212556 Atomic magnetometer Jul. 3, 2012
8154349 Atomic clock regulated by a static field and two oscillating fields Apr. 10, 2012
8082127 Method for determining the spatial distribution of magnetic resonance signals through multi-dimensional RF excitation pulses Dec. 20, 2011
8054073 Method and apparatus for implementing EIT magnetometry Nov. 8, 2011
8054074 Atomic magnetometer and magnetic force measuring method Nov. 8, 2011
8032335 Evaluating magnetic resonance spectra Oct. 4, 2011
8009520 Method and system for operating an atomic clock using a self-modulated laser with electrical modulation Aug. 30, 2011
7936169 Polarization analyzer orientation with nuclear magnetic resonance gyroscope May. 3, 2011
7898251 Method and system for the individualized characterization of magnetic elements based on ferromagnetic resonance Mar. 1, 2011
7872473 Compact atomic magnetometer and gyroscope based on a diverging laser beam Jan. 18, 2011
7863988 Microwave signal generator Jan. 4, 2011
7797032 Method and system for navigating a catheter probe in the presence of field-influencing objects Sep. 14, 2010
7756564 Apparatus for measuring the neuro-magnetic field from a human brain and method for operating the same Jul. 13, 2010
7728587 Self-calibrating nuclear magnetic resonance gyro Jun. 1, 2010
7723985 Altered sweep bell-bloom magnetometer May. 25, 2010
7705592 Two dimensional T1/T2APP-T2APP processing of multi-gradient NMR data Apr. 27, 2010
7696751 Method and apparatus for ferrous object and/or magnetic field detection for MRI safety Apr. 13, 2010
7652473 Magnetic field measuring optically pumped magnetometer apparatus Jan. 26, 2010
7613570 Method and apparatus for deriving a calibration filter for electromagnetic data Nov. 3, 2009
7573264 Atomic magnetic gradiometer for room temperature high sensitivity magnetic field detection Aug. 11, 2009
7534208 Device for the measurement of glucose concentrations May. 19, 2009
7521928 Subfemtotesla radio-frequency atomic magnetometer for nuclear quadrupole resonance detection Apr. 21, 2009
7474233 Parking control device Jan. 6, 2009
7457653 Method of solving magnetoencephalographic and electroencephalographic inverse problems Nov. 25, 2008
7449883 Method and apparatus for measuring change in magnetic induction of a magnetic material with respect to temperature Nov. 11, 2008
7385395 Apparatus for preparing a solution of a hyperpolarized noble gas for NMR and MRI analysis Jun. 10, 2008
7295107 Ferromagnetic detection pillar Nov. 13, 2007
7202667 Anisotropic nanoparticle amplification of magnetic resonance signals Apr. 10, 2007
7202751 Optically pumped frequency standard with reduces AC stark shift Apr. 10, 2007
7176681 Inspection of composite components using magnetic resonance imaging Feb. 13, 2007
7145333 High sensitivity atomic magnetometer and methods for using same Dec. 5, 2006
7085656 Method for suppressing edge artifacts in magnetic microscopy Aug. 1, 2006
7057387 Method and apparatus for enhanced multiple coil imaging Jun. 6, 2006
7038450 High sensitivity atomic magnetometer and methods for using same May. 2, 2006
6924150 Magnetic resonance imaging contrast system Aug. 2, 2005
6888780 Method and system for operating an atomic clock with simultaneous locking of field and frequency May. 3, 2005
6587706 Microcoil device with a forward field-of-view for large gain magnetic resonance imaging Jul. 1, 2003
6571183 Imaging using spatial frequency filtering and masking May. 27, 2003

1 2 3

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