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    • 77. 发明授权
    • Multi-band antenna for simultaneously communicating linear polarity and circular polarity signals
    • 用于同时传播线性极性和圆极性信号的多频带天线
    • US08487826B2
    • 2013-07-16
    • US12697957
    • 2010-02-01
    • Scott Cook
    • Scott Cook
    • H01Q13/00
    • H01Q5/00H01P1/17H01Q5/55H01Q13/02H01Q13/0225H01Q13/0241H01Q13/0275H01Q15/242
    • Multi-band antennas for simultaneously communicating linear polarity low-band signals and circular polarity high-band signals via a single antenna horn structure. The antennas horn structures have circular and oblong cross-sections. Strategic location and orientation of low-band and high-band ports with respect to internal ridges in transition sections and the major and minor axes of the oblong horn allows the antenna to simultaneously manipulate the high-band circular polarity signal without affecting the linear polarity low-band signals. The oblong horn shape and ridges may apply additive or oppositely sloped differential phase shifts to the linear components of the circular polarity high-band signal. For the horns with circular cross-section, the internal ridges may apply additive or oppositely sloped differential phase shifts to polarize the circular polarity high band signals without assistance from the internal shape of the horn.
    • 多频天线,用于通过单个天线喇叭结构同时传送线性极性低频带信号和圆极性高频信号。 天线喇叭结构具有圆形和长圆形横截面。 低频带和高频带端口相对于过渡段的内脊和长方形喇叭的主轴和短轴的战略位置和方向允许天线同时操纵高频环形极性信号,而不会影响线性极性低 带信号。 长方形喇叭形状和脊可以对圆极性高频带信号的线性分量施加相加或相反倾斜的差分相移。 对于具有圆形横截面的喇叭,内部脊可以施加相加或相对倾斜的差分相移,以极化圆极性高频带信号,而无需从喇叭的内部形状的帮助。
    • 78. 发明授权
    • Polarizer and waveguide antenna apparatus using the same
    • 偏振器和使用其的波导天线装置
    • US08354969B2
    • 2013-01-15
    • US12842387
    • 2010-07-23
    • Chih Jung LinHsiang Hao Sung
    • Chih Jung LinHsiang Hao Sung
    • H01Q19/00H01Q13/00
    • H01Q13/0241H01P1/173
    • A polarizer includes a waveguide channel having a substantially square cross section and a septum disposed within the waveguide channel. The septum includes a stepped edge and two opposite stepped surfaces. The stepped surfaces are sectionally recessed toward each other along the direction pointing toward the interior of the waveguide channel, wherein the number of the steps of the stepped surface is greater than two, but smaller than the number of the steps of the stepped edge. In one embodiment, the square cross section may include a plurality of rounded corners and a plurality of edges extending correspondingly between the rounded corners, wherein the ratio of the radius of the rounded corner to the distance between two opposite edges is in a range of from 0.05 to 0.3.
    • 偏振器包括具有基本正方形横截面的波导通道和设置在波导通道内的隔膜。 隔垫包括台阶边缘和两个相对的台阶表面。 台阶表面沿着指向波导通道内部的方向朝向彼此分开凹槽,其中台阶表面的台阶数大于两个,但小于台阶边台阶数。 在一个实施例中,方形横截面可以包括多个圆角和在圆角之间相应延伸的多个边缘,其中圆角的半径与两个相对边缘之间的距离的比率在从 0.05〜0.3。