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    • 5. 发明授权
    • Antenna device
    • 天线设备
    • US07019709B2
    • 2006-03-28
    • US10644732
    • 2003-08-21
    • Susumu FukushimaYuji Osumi
    • Susumu FukushimaYuji Osumi
    • H01Q1/36H01Q21/24
    • H01Q9/0407H01Q9/0414H01Q9/0442H01Q21/24H01Q21/29
    • An antenna device has a first radiation plate and a second radiation plate of which a diameter or one side is about ½ wavelength in electrical length disposed on a ground plate at an arbitrary interval. A first power feed port and a second power feed port are provided on the first radiation plate and are disposed so that straight lines linking each power feed port position and a middle point of the first radiation plate may be orthogonal to each other. A third power feed port and a fourth power feed port are provided on the second radiation plate and are disposed so that straight lines linking each power feed port position and a middle point of the second radiation plate may be orthogonal to each other. The straight lines are disposed to have an angle of 45 degrees to a straight line linking the first power feed port position and the middle point of the first radiation plate and to a straight line linking the second power feed port position and the middle point of the first radiation plate.
    • 天线装置具有第一辐射板和第二辐射板,其直径或一侧以任意间隔设置在接地板上的电长度为约1/2波长。 第一供电端口和第二供电端口设置在第一辐射板上并且布置成使得连接每个供电端口位置和第一辐射板的中点的直线可以彼此正交。 第三供电口和第四供电口设置在第二辐射板上,并且设置成使得连接每个供电端口位置和第二辐射板的中点的直线可以彼此正交。 直线被设置成与连接第一辐射板的第一供电口位置和中点的直线与连接第二供电口位置和第二供电口位置的中点的直线成45度角 第一辐射板。