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    • 9. 发明公开
    • Balanced dipole antenna
    • 平衡偶极天线
    • EP1819011A3
    • 2007-08-22
    • EP07108068.3
    • 2004-11-09
    • Research In Motion Limited
    • Qi, YihongJarmuszewski, PerryDullaert, Paul
    • H01P5/10H01Q9/20
    • H01P5/10H01Q9/20
    • A balanced dipole antenna (100) has a coaxial cable connected between a load or source and the left (101) and right (102) dipole arms to substantially eliminate common mode current and radiative coupling between the coaxial cable and the left and right dipole arms. The connection between the source/load coaxial cable and the left and right dipole arms is a symmetric balun (110) having a center branch that is an extension of the source/load coaxial cable, and left and right stubs. When the stubs are segments of coaxial cable, the outer conductors (105,125) of the left and right stubs of the symmetric balun are respectively coupled to the left and right dipole arms (101,102), and one of the inner conductors (106) of the left and right stubs is connected to the inner conductor of the center branch (116), while the other of the inner conductor (126) of the left and right stubs is connected to the outer conductor of the center branch (115). When the stubs are metallic, the inner conductor of the center branch is electrically connected to one of the left and right dipole arms, while the outer conductor of the center branch is electrically connected to the other of the left and right dipole arms. A sliding bar (108) at the base of the stubs electrically connects the outer conductors (105,125) of the left and right stubs and the center branch (115).
    • 平衡偶极天线(100)具有连接在负载或源极与左(101)和右(102)偶极子臂之间的同轴电缆,以基本上消除同轴电缆与左右偶极子臂之间的共模电流和辐射耦合 。 源/负载同轴电缆与左右偶极臂之间的连接是对称巴伦(110),其具有作为源/负载同轴电缆的延伸部分的中心分支以及左侧和右侧短截线。 当短截线是同轴电缆的段时,对称平衡 - 不平衡变换器的左侧和右侧短截线的外导体(105,125)分别与左,右偶极臂(101,102)耦合,并且其中一个内导体(106) 左短截线和右短截线连接到中心分支(116)的内导体,而左短截线的内导体(126)的另一个连接到中心分支(115)的外导体。 当短截线为金属时,中心分支的内导体电连接到左右偶极臂中的一个,而中心分支的外导体电连接到左右偶极臂中的另一个。 短柱底部的滑杆(108)电连接左,右短棒的外导体(105,125)和中心分支(115)。
    • 10. 发明公开
    • Balanced dipole antenna
    • Symmetrische Dipolantenne
    • EP1819011A2
    • 2007-08-15
    • EP07108068.3
    • 2004-11-09
    • Research In Motion Limited
    • Qi, YihongJarmuszewski, PerryDullaert, Paul
    • H01P5/10H01Q9/20
    • H01P5/10H01Q9/20
    • A balanced dipole antenna has a coaxial cable connected between a load or source and the left and right dipole arms to substantially eliminate common mode current and radiative coupling between the coaxial cable and the left and right dipole arms. The connection between the source/load coaxial cable and the left and right dipole arms is a symmetric balun having a center branch that is an extension of the source/load coaxial cable, and left and right stubs. When the stubs are segments of coaxial cable, the outer conductors of the left and right stubs of the symmetric balun are respectively coupled to the left and right dipole arms, and one of the inner conductors of the left and right stubs is connected to the inner conductor of the center branch, while the other of the inner conductor of the left and right stubs is connected to the outer conductor of the center branch. When the stubs are metallic, the inner conductor of the center branch is electrically connected to one of the left and right dipole arms, while the outer conductor of the center branch is electrically connected to the other of the left and right dipole arms. A sliding bar at the base of the stubs electrically connects the outer conductors of the left and right stubs and the center branch.
    • 平衡偶极天线(100)具有连接在负载或源极与左(101)和右(102)偶极臂之间的同轴电缆,以基本上消除同轴电缆和左右偶极臂之间的共模电流和辐射耦合 。 源极/负载同轴电缆与左右偶极臂之间的连接是具有作为源极/负载同轴电缆的延伸部的中心支路以及左侧和右侧短截线的对称平衡不平衡转换器(110)。 当短截线是同轴电缆的段时,对称平衡 - 不平衡转换器的左和右根部的外部导体(105,125)分别耦合到左和右偶极臂(101,102),并且内部导体(106)中的一个 左,右插脚连接到中心支路(116)的内导体,而左,右插脚的另一个内导体(126)与中心支路(115)的外导体连接。 当短截线为金属时,中心分支的内部导体电连接到左右偶极臂中的一个,而中心分支的外部导体电连接到左右偶极臂中的另一个。 在短截线基座处的滑杆(108)电连接左,右插脚的外导体(105,125)和中心分支(115)。