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    • 3. 发明申请
    • COMPOSITE ANTENNA DEVICE
    • 复合天线装置
    • US20110043420A1
    • 2011-02-24
    • US12988752
    • 2009-04-20
    • Kouichi Tateno
    • Kouichi Tateno
    • H01Q21/30
    • H01Q1/3275H01Q1/1207H01Q1/1242H01Q1/521H01Q9/0407H01Q9/0421H01Q9/30H01Q9/32H01Q9/34
    • A composite antenna device whose size is reduced while reception performance of a patch antenna is maintained is provided.The composite antenna device includes a rod antenna 30 for receiving AM/FM radio broadcasting and a patch antenna 40 for a radio wave of satellite broadcasting that is transmitted from a satellite and is higher than the AM/FM broadcasting, the patch antenna 40 is arranged side by side at a position with a distance from the rod antenna 30 shorter than a wavelength of the radio wave of the satellite broadcasting, and a feeding point P2 that supplies power to the patch antenna 40 is provided at a position displaced from a front end 41B of the patch antenna 40 only by a length according to a distance L between the antennas.
    • 提供一种在维持贴片天线的接收性能的同时减小尺寸的复合天线装置。 复合天线装置包括用于接收AM / FM无线电广播的杆状天线30和从卫星发送并高于AM / FM广播的卫星广播电波的贴片天线40,贴片天线40布置 在与杆状天线30的距离比卫星广播的无线电波的波长短的位置处并排配置,并且向贴片天线40供电的供电点P2设置在从前端 41B只是根据天线之间的距离L的长度。
    • 5. 发明授权
    • UHF-TV broadcast system having circular, non-coaxial waveguide
transmission line for operation in the TE.sub.11 mode
    • UHF-TV广播系统具有圆形,非同轴波导传输线,用于在TE11模式下工作
    • US5017938A
    • 1991-05-21
    • US517427
    • 1990-05-01
    • Geza Dienes
    • Geza Dienes
    • H01P1/16H01Q9/34
    • H01P1/16H01Q9/34
    • A UHF-TV broadcast system comprising an antenna mounted on an elevated supporting structure for broadcasting UHF-TV to a prescribed region, and a transmission line having a horizontal run leading to the supporting structure for the antenna, and a vertical run leading to the antenna, the transmission line comprising a circular non-coaxial waveguide having an inside diameter large enough to support the propagation of electromagnetic energy therethrough in at least the circular, non-coaxial TE.sub.11 mode, and a multiplicity of conductive elements extending transversely across the interior of the waveguide at intervals along the length of the waveguide perpendicular to the electric field vector of TE.sub.11 -mode energy having a desired polarization, for suppressing unwanted TE.sub.11 -mode energy that is cross-polarized relative to the desired polarization.
    • 一种UHF-TV广播系统,包括安装在用于将UHF-TV广播到规定区域的升高的支撑结构的天线以及具有通向天线的支撑结构的水平行的传输线以及通向天线的垂直方向 ,所述传输线包括圆形非同轴波导,所述圆形非同轴波导具有足够大的内径,以至少支持所述圆形,非同轴TE11模式中的电磁能量的传播,以及多个导电元件,横向穿过所述内部 波导,其沿着垂直于具有期望偏振的TE11模式能量的电场矢量的波导长度的间隔,用于抑制相对于期望的极化交叉极化的不需要的TE11模式能量。