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    • 1. 发明授权
    • Multi-band antenna
    • 多频天线
    • US08654013B2
    • 2014-02-18
    • US12835476
    • 2010-07-13
    • Munehisa WatanabeKengo OnakaTakashi IshiharaTsuyoshi MukaiYuichi Kushihi
    • Munehisa WatanabeKengo OnakaTakashi IshiharaTsuyoshi MukaiYuichi Kushihi
    • H01Q1/38
    • H01Q1/243H01Q5/35H01Q5/40H01Q9/42H01Q21/30
    • An antenna includes a base, a first radiating element, and second radiating element. The first radiating element is open at a first end thereof, is connected to a ground point at a second end thereof, and resonates in a substantially ¼ wavelength mode in a first communication frequency band. A feed line is connected between a first feed point and a predetermined position between the first end and the second end of the first radiating element. The second radiating element has a first end that is a second feed point, a second end that is connected to the ground point, and resonates in a substantially ½ wavelength mode in a second communication frequency band. A distance from the ground point to the second feed point is longer than a distance from the ground point to the first feed point.
    • 天线包括基座,第一辐射元件和第二辐射元件。 第一辐射元件在其第一端开放,在其第二端连接到接地点,并且在第一通信频带中基本上以1/4波长模式谐振。 馈电线连接在第一馈电点与第一辐射元件的第一端和第二端之间的预定位置之间。 第二辐射元件具有作为第二馈电点的第一端,连接到接地点的第二端,并且在第二通信频带中以大致1/2波长模式谐振。 从地面点到第二馈电点的距离比从地面点到第一馈电点的距离长。