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7620499 |
Wavelet maxima curves of surface latent heat flux
The present invention introduces an innovative data mining technique to identify precursory signals associated with earthquakes. It involves a multistrategy approach that employs one-dimensional...
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7608820 |
Spin microscope based on optically detected magnetic resonance
The invention relates to scanning magnetic microscope which has a photoluminescent nanoprobe implanted in the tip apex of an atomic force microscope (AFM), a scanning tunneling microscope (STM) or...
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7595639 |
System and method of angular elliptic centric view ordering for 3D MR acquisitions
A magnetic resonance imaging (MRI) apparatus includes an MRI system having a plurality of gradient coils positioned about a bore of a magnet. An RF transceiver system and an RF switch are...
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7595638 |
Apparatus and method for detecting metallic objects in shoes
An inspection system positions a balancing shim to asymmetrically balance a magnetic field generated by an inductive sensor, which forms part of the inspection system. Additionally, relays and...
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7586305 |
Method for determining the absolute number of electron spins in a sample of extended size
In a method for determining an absolute number of electron spins in an extended sample ( 3 ) with the assistance of an apparatus for measuring magnetic resonance, the extended sample ( 3 ) is...
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7579833 |
Water mapping using surface NMR
A method for selecting a location of a wellbore includes: using a nuclear magnetic resonance (NMR) instrument deployed on a surface of a production area, determining a location of ground water in...
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7579832 |
Cross-drive impedance measurement circuits for sensing audio loads on CODEC channels
An audio system includes a CODEC audio jack having left and right audio ports and a jack sense circuit. The jack sense circuit includes left and right amplifiers and a cross-drive impedance sensing...
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7567081 |
Magnetic resonance non-balanced-SSFP method for the detection and imaging of susceptibility related magnetic field distortions
Disclosed are methods and apparatuses for generating susceptibility-related contrast images, as induced, e.g., by marker material interventional devices used for passive MR-guided interventions, or...
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7567080 |
Method for determining an integral sun protection factor encompassing UVA and UVB radiation
The invention relates to a method for determining an integral sun protection factor (∫ SPF or iSPF) which encompasses both UVA and UVB radiation and can be used for classifying cosmetic and...
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7560932 |
Nuclear magnetic resonance (NMR) probe
There is provided a nuclear magnetic resonance probe in which the loss caused by a high frequency cable between a probe coil and a preamplifier is reduced and the sensitivity of an NMR signal is...
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7550971 |
Methods of in vitro analysis using time-domain NMR spectroscopy
An in vitro method of determining an analyte concentration of a sample includes placing the sample into a low-field, bench-top time-domain nuclear magnetic resonance (TD-NMR) spectrometer. The NMR...
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7543370 |
Method for production of a superconducting magnetic coil
In a method for production of a superconducting magnetic coil, winding of superconducting wires of the superconducting magnetic coil is implemented with at least one UV-curable plastic, and the...
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7542793 |
MR-guided breast tumor ablation and temperature imaging system
An MRI system is employed to aim an ultrasonic transducer at tissues to be treated and to produce images which enable the treatment of the tissues to be monitored. A pulse sequence is used which...
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7532008 |
Material having magnetic permeability at R.F. frequency
A material having magnetic permeability at r.f. frequency, for example a microstructured magnetic material has a magnetic permeability of negative value but unity magnitude over a particular r.f....
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7528603 |
Magnetic attraction preventive system
A magnetic attraction preventive system includes an approach detection unit which generates an approach detection magnetic field and detects the approach of a magnetic material to a magnetic...
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7514921 |
System and method for visualizing conductive and current density distribution in object
System for visualizing conductivity and current density distributions including a plurality of current injecting devices ( 100 ) for injecting currents into a measuring object; a measuring unit(...
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7508206 |
Method for sequence determination using NMR
The invention relates to methods for analyzing polysaccharides. In particular, compositional and sequence information about the polysaccharides are derived. Some methods use NMR in conjunction with...
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7498806 |
Apparatus and method for isolating noise from a signal
A circuit is provided for isolating noise from an input signal to an Analog/Digital (A/D) converter. The circuit includes a plurality of multiplexers and a capacitor connected between the poles of...
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7495435 |
Method for the hyperpolarisation of atomic nuclei and device for implementing the method
An apparatus for hyperpolarizing atomic nuclei through optical pumping has a cylindrical optical pumping cell having an inlet and an outlet spaced therefrom. A supply of a mixture of optically...
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7492154 |
Method of carrying out dynamic nuclear polarization
A method of carrying out DNP on a sample with a molecular structure containing at least two J-coupled non-integer spin nuclear species, the method comprising hyperpolarizing the sample in a cooled,...
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7489131 |
System and apparatus for direct cooling of gradient coils
A system for cooling a gradient coil assembly of a magnetic resonance imaging (MRI) system includes a gradient coil having a first surface comprising a plurality of conductors and a plurality of...
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7474095 |
NMR spectroscopy using spin states with long lifetimes
A nuclear magnetic resonance method and apparatus are disclosed. A sample is provided where the nuclear spin Hamiltonian operator of the component molecules of the sample possess one or more...
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7463033 |
NMR probe component with a gradient chip with a slot for insertion of a sample chip
A nuclear magnetic resonance (NMR) probe component, comprising a microfabricated planar gradient chip ( 1 ), with a substrate thickness d gc ≦3 mm, carrying three micromachined planar partial...
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7436175 |
Practical pulse synthesis via the discrete inverse scattering transform
The discrete inverse scattering (DIST) approach is used to design selective RF pulses. As in SLR, a hard pulse approximation is used to actually design the pulse. Unlike SLR, the pulse is designed...
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7432708 |
Temperature control method for a permanent magnet arrangement of a magnetic resonance system
In a temperature control method for magnetic field components of a permanent magnet arrangement of a magnetic resonance system, temperature stability of the magnetic field components is achieved by...
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7411392 |
Parametric nuclear quadrupole resonance spectroscopy system and method
A system and method for probing a specimen to determine one or more components by utilizing a first signal to excite the specimen at a nuclear quadrupole resonant frequency and observing changes in...
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7405563 |
Compensation of magnetic influence in a MWD system
The present disclosure provides a downhole tool that includes a magnetometer and a nuclear magnetic resonance (NMR) sensor. One or more compensating magnets are provided on the tool to cancel or...
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7400144 |
Magnetic resonance force microscope
A magnetic resonance force microscope (MRFM) generator for producing an RF magnetic field uniformly over the whole of a sample. A cantilever with magnetic probe tip is self-excited. Under this...
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7397241 |
Method for determining the content of at least one component of a sample by means of a nuclear magnetic resonance pulse spectrometer
A method is described for determination of the content of at least one component of a sample by means of a nuclear magnetic resonance pulse spectrometer, with the magnetization of the sample being...
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7394250 |
Mine detector with NQR-SQUID
A portable small mine detecting device for detecting a mine by transmitting a radio wave and detecting the NQR of nitrogen 14 atoms (14N) contained in the mine using a high-sensitivity,...
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7388498 |
Method and system for producing and reading labels based on magnetic resonance techniques
The invention provides a method and system for labeling items, wherein the labels contain digital information and can be read when desired. The coding of the labels is done by choosing specifically...
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7388375 |
Method and apparatus for magnetic resonance spectroscopy
In the method disclosed here for magnetic resonance spectroscopy, the main magnetic field in the sample measurement region is generated in the form of a pulse, and the excitation and detection of...
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7382125 |
Tuned frequency portal for power transfer in MRI environment
A circuit for isolating line voltage from a patient in an MRI environment, uses a filter network tuned to line voltage and incorporating blocking capacitors to eliminate the need for bulky air core...
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7375517 |
Belt buckle and use thereof in magnetic resonance imaging
A belt buckle includes a housing having a base, first and second sidewalls projecting from the base so as to form a substantially U-shaped member and a lug member projecting from said base. There...
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7372264 |
Contamination estimation using fluid analysis models
Methods and systems are described for estimating of the level of contamination of downhole fluid using physical property measurements, and mathematical modeling of contamination functions and fluid...
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7372262 |
Methods and systems for active non-intrusive inspection and verification of cargo and goods
Systems and methods are disclosed herein for the non-intrusive inspection and/or verification of cargo. In an exemplary embodiment, an elemental signature is determined at a first point in a supply...
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7368909 |
Downhole high resolution NMR spectroscopy with polarization enhancement
An apparatus and method is discussed for characterizing a fluid sample downhole of aliphatic hydrocarbon compounds, aromatic hydrocarbon compound, or connate mud filtrates containing carbon-13...
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7365536 |
Passively shielded inductive sensor system for personnel screening
An inspection system includes an electromagnetic shield having electrically conductive sidewalls spaced from one another. The shield also includes a conductive third wall which spans the distance...
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7358725 |
Correction of NMR artifacts due to axial motion and spin-lattice relaxation
NMR spin echo signals are corrected for axial motion of the borehole logging tool. The correction is applied to an averaged echo train using an average velocity determined from surface measurements...
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7355402 |
Method and apparatus for hazardous liquid detection
A method for hazardous liquid detection within a container includes inducing a static magnetic field in the container, inducing a radio frequency magnetic field in the container at a frequency...
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7355401 |
Use of two or more sensors to detect different nuclear quadrupole resonance signals of a target compound
The use of two or more sensors tuned to at least two different nuclear quadrupole resonance frequencies of a target compound to detect the different nuclear quadrupole resonance signals greatly...
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7355400 |
Pulse sequences for exciting nuclear quadrupole resonance
An apparatus and a method for producing a multi-pulse sequence for irradiating a substance provided with quadrupole nuclei with either integer or half-integer spins to detect an NQR signal emitted...
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7348773 |
Method and device for assessing ambient conditions of an installation site of a magnetic resonance imaging device
In a method for assessing ambient conditions of an installation site of a magnetic resonance imaging device, various places in an area surrounding the installation site are examined by means of a...
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7345479 |
Portable NMR device and method for making and using the same
An embodiment of the invention relates to a portable or handheld device for performing NMR analysis. The device comprises a console and a strip which can be placed into the console through a slot...
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7345478 |
Method and apparatus for detection of quadrupole nuclei in motion relative to the search region
A method and apparatus for detecting quadrupole nuclei in motion relative to a search region, during the sensing operation, provides a system for decreasing the throughput time of quadrupole...
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7336071 |
Enhancement of NMR vertical resolution using walsh function based inversion
NMR data are acquired using a phase-alternation of the tipping pulse. Averaged properties are estimated over a window length. The averaged properties are inverted to undo the effects of the...
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7330575 |
Determination of subencoding MRI coil sensitivities in a lower order magnetic field
A novel magnetic resonance imaging method is presented for forming an image of an object from a plurality of signals acquired by an array of receiver antennae, whereas prior to imaging a...
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7327137 |
Apparatus and method for non-symmetric magnetic field balancing in an inspection scanner
An inspection system positions a balancing shim to asymmetrically balance a magnetic field generated by an inductive sensor, which forms part of the inspection system. Additionally, relays and...
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7319323 |
Device and method using magnetic pattern on disk
An embodiment of the invention relates to a device for performing NMR or ESR analysis. The device comprises a detection unit, a magnet, and a disk having a magnetic pattern. The detection unit...
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7308351 |
Method for coordinating a vehicle dynamics control system with an active normal force adjustment system
A vehicle dynamics control system for a motor vehicle having an active normal force adjustment system with which the normal force acting on a wheel may be adjusted is described. For coordinating...
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