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Class Information
Number: 324/320
Name: Electricity: measuring and testing > Particle precession resonance > Spectrometer components > Polarizing field magnet > With homogeneity control
Description: Subject matter where magnetic circuit component design permits a uniform magnetic field gradient to be obtained.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7253624 Magnet system and magnetic resonance imaging system utilizing the magnet system Aug. 7, 2007
7245128 Magnetic resonance imaging apparatus and magnet apparatus therefor Jul. 17, 2007
7242191 Cold mass support structure and helium vessel of actively shielded high field open MRI magnets Jul. 10, 2007
7218113 Magnetic resonance system and operating method for RF pulse optimization May. 15, 2007
7215123 Method, system storage medium and software arrangement for homogenizing a magnetic field in a magnetic resonance imaging system May. 8, 2007
7212004 Multi-layer magnet May. 1, 2007
7212003 NMR analyzer May. 1, 2007
7205767 Magnetic apparatus, installation method for magnetic apparatus, and magnetic resonance imaging diagnosis system Apr. 17, 2007
7205766 Magnet system and MRI system Apr. 17, 2007
7199585 Method for shimming a main magnetic field in magnetic resonance Apr. 3, 2007
7187175 Magnet for NMR analyzer and NMR analyzer using the same Mar. 6, 2007
7183769 Superconducting magnet system with drift compensation Feb. 27, 2007
7170291 Additional fringe field shield for a superconducting magnet coil system Jan. 30, 2007
7167004 Open MRI magnet assembly with paired planar driving coils having opposite current flows and a racetrack, nested, or substantially-planar multi-coil shape Jan. 23, 2007
7157912 Apparatus for generating homogeneous magnetic field Jan. 2, 2007
7148690 Systems, methods and apparatus for inducing electromagnetic mutual inductance in magnetic coils to reduce inhomogeneity in a magnetic field of the magnetic coils Dec. 12, 2006
7141977 Magnet for NMR analyzer and NMR analyzer using the same Nov. 28, 2006
7135948 Dipole shim coil for external field adjustment of a shielded superconducting magnet Nov. 14, 2006
7126448 Superconducting magnet apparatus and magnetic resonance imaging apparatus using the same Oct. 24, 2006
7123014 Magnetic gradient field projection Oct. 17, 2006
7098663 Systems, methods and apparatus of an actively shielded superconducting magnet drift compensation coil Aug. 29, 2006
7084632 Permanent magnet for magnet resonance Aug. 1, 2006
7078901 Method and magnetic resonance system for homogenizing the B.sub.1 field Jul. 18, 2006
7075300 Magnetic resonance apparatus having a bulged interior bore filled with a mass augmentation Jul. 11, 2006
7068033 Acoustically damped gradient coil Jun. 27, 2006
7057391 Magnetic resonance imaging system Jun. 6, 2006
7034537 MRI apparatus correcting vibratory static magnetic field fluctuations, by utilizing the static magnetic fluctuation itself Apr. 25, 2006
7034535 Three-dimensional positioning of the patient couch at the center of the static or gradient magnetic field in MRI Apr. 25, 2006
7019525 Method and apparatus for magnetic resonance imaging Mar. 28, 2006
6998947 Cryogen pressure vessel assembly for superconducting magnets Feb. 14, 2006
6987436 Method for fringe field compensation of an actively shielded superconducting NMR magnet Jan. 17, 2006
6977503 System and method for single-sided magnetic resonance imaging Dec. 20, 2005
6977571 Secondary coil circuit for use with a multi-section protected superconductive magnet coil circuit Dec. 20, 2005
6975117 Method and apparatus for magnetic resonance imaging Dec. 13, 2005
6972652 Method for homogenizing a super-conducting NMR magnet Dec. 6, 2005
6967481 Circular pole piece, laminate block manufacturing method, and MRI system Nov. 22, 2005
6965236 MRI system utilizing supplemental static field-shaping coils Nov. 15, 2005
6943548 Adaptive dynamic range receiver for MRI Sep. 13, 2005
6937020 Solid-state nuclear magnetic resonance probe Aug. 30, 2005
6933724 Matrix coil for generating a variable magnetic field Aug. 23, 2005
6933820 Magnetic circuit with opposing permanent magnets and method for adjusting magnetic field thereof Aug. 23, 2005
6927576 Magnetic resonance signal acquiring apparatus and magnetic resonance imaging apparatus Aug. 9, 2005
6909284 High efficiency planar open magnet MRI system structured and arranged to provide orthogonal ferrorefractory effect Jun. 21, 2005
6906517 Method and apparatus for maintaining thermal stability of permanent magnets in MRI systems Jun. 14, 2005
6897656 Magnetic field homogenizing method and apparatus, and magnetic field generating apparatus May. 24, 2005
6891375 Static field controlling method and MRI apparatus May. 10, 2005
6876288 Transverse field bitter-type magnet Apr. 5, 2005
6861933 Superconductive magnet device Mar. 1, 2005
6856223 Open-type magnet device for MRI Feb. 15, 2005
6853281 Magnet apparatus and mri apparatus Feb. 8, 2005

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