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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

Patent Number Title Of Patent Date Issued
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
7034535 Three-dimensional positioning of the patient couch at the center of the static or gradient magnetic field in MRI Apr. 25, 2006
7034537 MRI apparatus correcting vibratory static magnetic field fluctuations, by utilizing the static magnetic fluctuation itself 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
6977571 Secondary coil circuit for use with a multi-section protected superconductive magnet coil circuit Dec. 20, 2005
6977503 System and method for single-sided magnetic resonance imaging 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
6933820 Magnetic circuit with opposing permanent magnets and method for adjusting magnetic field thereof Aug. 23, 2005
6933724 Matrix coil for generating a variable magnetic field 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
6853855 Magnetic resonance tomography apparatus with improved spatial and time stabilization of the homogeneity of the magnetic basic field Feb. 8, 2005
6847279 Superconductive magnet device Jan. 25, 2005
6844801 Methods and apparatus for adjusting center magnetic field of a magnetic field generator for MRI Jan. 18, 2005
6842002 C-shaped magnetic resonance imaging system Jan. 11, 2005
6838966 Circular pole piece and MRI system Jan. 4, 2005
6836119 Method and apparatus for aligning a magnetic field modifying structure in a magnetic resonance imaging scanner Dec. 28, 2004
6825667 Magnetic resonance imaging apparatus and method for maintaining high uniformity of magnetic field in magnetic resonance imaging apparatus Nov. 30, 2004
6825668 Static magnetic field generating apparatus and magnetic resonance imaging apparatus Nov. 30, 2004
6822452 MRI apparatus Nov. 23, 2004
6822451 Non-coupling magnetic sheilding coil Nov. 23, 2004
6822453 Shim tray, and gradient coils system and magnetic resonance apparatus for the acceptable of the shim tray Nov. 23, 2004
6822447 Spherical magnetic resonance imaging apparatus Nov. 23, 2004
6819108 Method of magnetic field controlled shimming Nov. 16, 2004
6816047 Magnetic resonance imaging apparatus Nov. 9, 2004

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