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| Application No. | Application Title | Issue Date |
| 20120126808 | APPARATUS AND METHOD FOR GENERATING AND MOVING A MAGNETIC FIELD HAVING A FIELD FREE LINE The present invention relates to an apparatus and a method for generating and changing a magnetic field in a field of view (28), said magnetic field having a, in particular ball-shaped or line-shaped, first sub-zone (62) having a low magnetic field strengt... | 05/24/2012 |
| 20110279115 | METHOD AND APPARATUS FOR IMPLEMENTING EIT MAGNETOMETRY A magnetometer is provided comprising an atomic vapor in an enclosure, a source of light for preparing the vapor into a state exhibiting electromagnetically induced transparency, a first laser beam passing through the atomic vapor, a phase detector for detecting changes... | 11/17/2011 |
| 20110273176 | SYSTEM AND METHOD FOR USE OF NANOPARTICLES IN IMAGING AND TEMPERATURE MEASUREMENT This invention provides a system and method that improves the sensitivity and localization capabilities of Magnetic Particle Imaging (MPI) by using combinations of time-varying and static magnetic fields. Combinations of magnetic fields can be used to distribute the sig... | 11/10/2011 |
| 20110273175 | PERMANENT MAGNETIC ASSEMBLY FOR The present invention relates to an arrangement (10) for influencing and/or detecting magnetic particles in a region of action (300). The arrangement (10) comprises selection means (210) for generating a magnetic selection field (211) ... | 11/10/2011 |
| 20110221438 | MAGNETIC PARTICLE IMAGING DEVICES AND METHODS A magnetic particle imaging device is provided. The device includes a magnetic field source configured to produce a magnetic field having a non-saturating magnetic field region, an excitation signal source configured to produce an excitation signal in the non-saturating... | 09/15/2011 |
| 20110137589 | METHOD AND APPARATUS FOR PRODUCING HOMOGENEOUS MAGNETIC FIELDS A method for shimming a magnetic field is disclosed. The method uses a single shim current to contribute to suppression of more than one geometrical component of an inhomogeneity in the magnetic field without changing the geometry of the shim path. Apparatuses to implem... | 06/09/2011 |
| 20110089943 | MAGNETIC FIELD ADJUSTMENT FOR MRI APPARATUS A measured error magnetic field distribution is divided into eigen-mode components obtained by a singular decomposition and iron piece arrangements corresponding to respective modes are combined and arranged on a shim-tray. An eigen-mode to be corrected is selected in a... | 04/21/2011 |
| 20110089942 | IMPROVED TECHNIQUES FOR MAGNETIC PARTICLE IMAGING A magnetic particle imaging apparatus includes magnets [106,107] that produce a gradient magnetic field having a field free region (FFR), excitation field electromagnets [102,114] that produce a radiofrequency magnetic field within the field free region, h... | 04/21/2011 |
| 20110084206 | Compact superconducting magnet configuration with active shielding having a shielding coil contributing to field formation A superconducting magnet configuration (4; 14) for generating a homogeneous magnetic field B0 in an examination volume (4b), has an interior radial superconducting main field coil (1) which is disposed rotationally symmetrically ab... | 04/14/2011 |
| 20110074408 | PROTON PRECESSION MAGNETOMETER SENSOR MEASURABLE IN ALL DIRECTION A “proton precession magnetometer sensor capable of all-direction measurement” according to the present invention, in which frequency of current induced in a coil by flowing and then breaking current in the coil is measured to calculate strength of an external magne... | 03/31/2011 |
| 20100327865 | MAGNETIC SENSOR A magnetic sensor for measuring a magnetic field using an optical pumping method includes a first gas in which a valence electron is composed of an odd number of atoms or ions, a probe light incidence device which causes first probe light including straight polarized li... | 12/30/2010 |
| 20100201357 | METHOD OF LOCALLY MEASURING MOBILITY OF PROTIC SOLVENT IN SAMPLE, INSTRUMENT OF LOCALLY MEASURING MOBILITY OF PROTIC SOLVENT IN SAMPLE, MEASURING INSTRUMENT LOCALLY MEASURING BEHAVIOR OF PROTIC SOLVENT IN SAMPLE BASED ON MAGNETIC An instrument locally measuring mobility of a protic solvent in a sample 115 based on the gradient magnetic field NMR method has a sample stage 116 on which the sample 115 is placed, a magnet 113 applying a static magnetic field to the sample... | 08/12/2010 |
| 20100072993 | Method of Detecting Carrier Spin Polarisation and Apparatus for the Same A method of detecting spin polarization in a subject material comprises applying a potential difference across the subject material causing an electrical current to flow across the material, thereby inducing carrier polarization within the material in a direction perpen... | 03/25/2010 |
| 20090261246 | Compact superconducting magnet configuration with active shielding having a shielding coil contributing to field formation A superconducting magnet configuration (4; 14) for generating a homogeneous magnetic field B0 in an examination volume (4b), has an interior radial superconducting main field coil (1) which is disposed rotationally symmetrically ab... | 10/22/2009 |
| 20090243610 | ATOMIC MAGNETOMETER AND MAGNETIC FORCE MEASURING METHOD An atomic magnetometer includes a cell containing an atomic group, a pump light source, a probe light source, a mirror, and a detector. The cell is disposed between the pump light source and the mirror and between the probe light source and the detector. A pump beam emi... | 10/01/2009 |
| 20090137897 | METHOD FOR MAGNETIC RESONANCE SPECTROSCOPIC IMAGING A method for performing spectroscopy using an interleaved readout for at least two species. A B0 field is applied. A first spatial-spectral (SPSP) position resolved spectroscopy sequence (PRESS) excitation with a sufficiently narrow band to excite a first spe... | 05/28/2009 |
| 20090079426 | ELECTROMAGNETIC TRACKING EMPLOYING SCALAR-MAGNETOMETER Provided is an electromagnetic tracking system, including at least one electromagnetic field receiver having at least one scalar-magnetometer, at least one electromagnetic field transmitter, and tracker electronics. Also provided is a method for electromagnetic tracking... | 03/26/2009 |
| 20080024127 | Magnetic Resonance Imaging Apparatus and Method A magnetic resonance imaging apparatus comprises static magnetic field generating means for generating a static magnetic field in an imaging space, a gradient magnetic field generating means for generating a gradient magnetic field in the imaging space, high-frequency m... | 01/31/2008 |
| 20080018333 | METHOD AND APPARATUS FOR MEASURING CHANGE IN MAGNETIC INDUCTION OF A MAGNETIC MATERIAL WITH RESPECT TO TEMPERATURE In order to measure the temperature parameters of magnetic materials, in a process and an apparatus for measuring the characteristics of variation of magnetic induction of magnetic material with respect to temperature, a probe is provided at any one point A within the e... | 01/24/2008 |
| 20070268018 | Circuit Arrangement for Detuning a Resonant Circuit of an Mr Apparatus The invention relates to a circuit arrangement for an MR apparatus, having a resonant circuit, which is formed by an MR receiving coil (L1) and a capacitor (C1), and having an electronic control circuit (S) for switching the resonant circuit between two or... | 11/22/2007 |
| 20070247148 | Magnetic Resonance Steady State Imaging A high-sensitivity acquisition involves a (dynamic) steady-state that is achieved by repetitive applying flip angles with the same sign. Read-out of the magnetic resonance signals is done in the form of gradient echoes that are generated by applying temporary magnetic g... | 10/25/2007 |
| 20070241747 | Multiple SQUID magnetometer Multiple SQUID magnetometers that include at least two SQUID loops, each of which is composed of at least two Josephson Junctions connected in parallel with superconducting wires, are provided. The SQUID loops are fabricated such that they share a common Josephson Junct... | 10/18/2007 |
| 20070205767 | ATOMIC MAGNETIC GRADIOMETER FOR ROOM TEMPERATURE HIGH SENSITIVITY MAGNETIC FIELD DETECTION A laser-based atomic magnetometer (LBAM) apparatus measures magnetic fields, comprising: a plurality of polarization detector cells to detect magnetic fields; a laser source optically coupled to the polarization detector cells; and a signal detector that measures the la... | 09/06/2007 |
| 20070018643 | SQUID DETECTED NMR AND MRI AT ULTRALOW FIELDS Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequen... | 01/25/2007 |
| 20060192556 | Mri system having a gradient magnet system with a gyroscope The invention relates to an MRI system (1) comprising an examination volume (11), a main magnet system (13) for generating a main magnetic (field (B0) in the examination volume, a gradient magnet system (19) for generating gradient... | 08/31/2006 |
| 20060091881 | NMR and MRI apparatus and method Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequen... | 05/04/2006 |
| 20050206377 | High sensitivity atomic magnetometer and methods for using same The present invention provides a high sensitivity atomic magnetometer and methods of measuring low intensity magnetic fields that relate to the use of an alkali metal vapor and a buffer gas; increasing the magnetic polarization of the alkali metal vapor thereby increasi... | 09/22/2005 |
| 20050138825 | Methods and apparatus for automatic magnetic compensation A method for characterizing distortions in the earth's magnetic field caused by a vehicle having a magnetometer affixed therein is described. The method includes repeatedly measuring the distorted magnetic field utilizing the magnetometer and obtaining a three-dimension... | 06/30/2005 |
| 20050134262 | Squid detected NMR and MRI at ultralow fields Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference device (SQUID) magnetometer. Because the sensitivity of the SQUID is frequen... | 06/23/2005 |
