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    • 9. 发明授权
    • In-vehicle antenna apparatus
    • 车载天线装置
    • US07489279B2
    • 2009-02-10
    • US11165438
    • 2005-06-23
    • Tomoki IkedaNaofumi ShiraishiMasashi NakagawaSatoru KomatsuTomoyuki FukumaruHideaki OshimaHiroshi Iijima
    • Tomoki IkedaNaofumi ShiraishiMasashi NakagawaSatoru KomatsuTomoyuki FukumaruHideaki OshimaHiroshi Iijima
    • H01Q1/32
    • H01Q1/40H01Q1/1271H01Q1/32
    • Rear glass is provided with a patch-like radiation conductor and a first ground conductor surrounding the patch-like radiation conductor. An electronic circuit unit includes a base plate fixed on the rear glass; a frame body which houses a circuit substrate and is fixed on the base plate; and a cover for covering the frame body. One surface of the circuit substrate defines a component-holding surface which is connected with a second end of a feeder cable connected with the radiation conductor and the first ground conductor. The other surface of the circuit substrate is provided with a second ground conductor to function as a radio-wave reflective surface. The radio-wave reflective surface faces the radiation conductor and the first ground conductor disposed on the rear glass such that the radio-wave reflective surface is separated from the radiation conductor and the first ground conductor by a predetermined distance.
    • 后玻璃设置有贴片状辐射导体和围绕贴片状辐射导体的第一接地导体。 电子电路单元包括固定在后玻璃上的基板; 框架体,其容纳电路基板并固定在基板上; 以及用于覆盖框架体的盖。 电路基板的一个表面限定了与辐射导体和第一接地导体连接的馈电电缆的第二端连接的部件保持表面。 电路基板的另一个表面设置有用作无线电波反射表面的第二接地导体。 无线电波反射表面面向辐射导体和布置在后玻璃上的第一接地导体,使得无线电波反射表面与辐射导体和第一接地导体分离预定距离。