公开(公告)号：US20140218031A1

公开(公告)日：2014-08-07

申请号：US14172136

申请日：2014-02-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dae Ho LEE ,  Seung Je CHOI ,  Joon Soo KIM

IPC: G01R33/387

CPC classification number: G01R33/56518

Abstract: A magnetic resonance imaging apparatus includes a magnetic assembly including a main magnet and a gradient coil unit and forming a static magnetic field and a gradient magnetic field in the bore thereof, and a gradient controller applying a test gradient waveform to the magnetic assembly, and compensating for a distortion of the magnetic field gradients, caused by eddy currents, by reflecting the actual shape of the applied test gradient waveform.

Abstract translation: 磁共振成像装置包括：磁性组件，包括主磁体和梯度线圈单元，并在其孔中形成静磁场和梯度磁场;以及梯度控制器，将测试梯度波形应用于磁组件，并补偿 通过反映所应用的测试梯度波形的实际形状，由涡流引起的磁场梯度失真。

公开(公告)号：US20160018503A1

公开(公告)日：2016-01-21

申请号：US14704054

申请日：2015-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Ho LEE

IPC: G01R33/567 ,  G01R33/385 ,  G01R33/34 ,  G01R33/30 ,  G01R33/56

CPC classification number: G01R33/283 ,  A61B5/0555

Abstract: A magnetic resonance imaging (MRI) apparatus includes a gantry including a bore, and an image output screen configured to rotate around the bore and output visual information to an object placed in the bore.

Abstract translation: 磁共振成像（MRI）装置包括包括孔的龙门架和被构造为围绕孔旋转并将视觉信息输出到放置在孔中的物体的图像输出屏幕。