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    • 1. 发明申请
    • MULTICHANNEL STRIPLINE BALUN
    • 多通道条纹巴伦
    • US20100244977A1
    • 2010-09-30
    • US12416014
    • 2009-03-31
    • Limin FengDan Kennick SpenceGene LaurichAleksey ZemskovKolman Juhasz
    • Limin FengDan Kennick SpenceGene LaurichAleksey ZemskovKolman Juhasz
    • H03H5/00
    • H03H5/003H01P5/10
    • Systems and devices for transmitting radio frequency signals to and from radio frequency coils in magnetic resonance imaging systems are provided. In one embodiment, a balun for blocking induced radio frequency current on ground conductors of a multi-layer signal carrier includes first and second insulative elements disposed on first and second sides of the signal carrier, respectively, a conductive layer partially surrounding ends of each insulative element with a central region of each insulative element not surrounded by the respective conductive layer, first and second capacitive circuits coupled to the conductive layers of each respective insulative element in the central region thereof, vias extending through the signal carrier, and conductive material disposed in the vias electrically coupling a conductive layer on respective ends of the first and second elements with one another and with the ground conductors.
    • 提供了用于在磁共振成像系统中向射频线圈发射射频信号的系统和装置。 在一个实施例中,用于在多层信号载体的接地导体上阻断感应射频电流的平衡 - 不平衡转换器分别包括设置在信号载体的第一和第二侧上的第一和第二绝缘元件,部分地围绕每个绝缘的端部的导电层 元件,每个绝缘元件的中心区域不被相应的导电层包围,第一和第二电容电路耦合到其中心区域中的每个相应绝缘元件的导电层,延伸穿过信号载体的通孔,以及布置在 通孔将第一和第二元件的相应端部上的导电层彼此电连接并且与接地导体电耦合。
    • 2. 发明授权
    • Magnetic resonance compatible multichannel stripline balun
    • 磁共振兼容多通道带状平衡 - 不平衡转换器
    • US08179137B2
    • 2012-05-15
    • US12416014
    • 2009-03-31
    • Limin FengDan Kenrick SpenceGene LaurichAleksey ZemskovKolman Juhasz
    • Limin FengDan Kenrick SpenceGene LaurichAleksey ZemskovKolman Juhasz
    • G01V3/00
    • H03H5/003H01P5/10
    • Systems and devices for transmitting radio frequency signals to and from radio frequency coils in magnetic resonance imaging systems are provided. In one embodiment, a balun for blocking induced radio frequency current on ground conductors of a multi-layer signal carrier includes first and second insulative elements disposed on first and second sides of the signal carrier, respectively, a conductive layer partially surrounding ends of each insulative element with a central region of each insulative element not surrounded by the respective conductive layer, first and second capacitive circuits coupled to the conductive layers of each respective insulative element in the central region thereof, vias extending through the signal carrier, and conductive material disposed in the vias electrically coupling a conductive layer on respective ends of the first and second elements with one another and with the ground conductors.
    • 提供了用于在磁共振成像系统中向射频线圈发射射频信号的系统和装置。 在一个实施例中,用于在多层信号载体的接地导体上阻断感应射频电流的平衡 - 不平衡转换器分别包括设置在信号载体的第一和第二侧上的第一和第二绝缘元件,部分地围绕每个绝缘的端部的导电层 元件,每个绝缘元件的中心区域不被相应的导电层包围,第一和第二电容电路耦合到其中心区域中的每个相应绝缘元件的导电层,延伸穿过信号载体的通孔,以及布置在 通孔将第一和第二元件的相应端部上的导电层彼此电连接并且与接地导体电耦合。