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    • 9. 发明申请
    • MULTIBAND HELICAL ANTENNA
    • 多通道天线
    • WO2014178052A2
    • 2014-11-06
    • PCT/IL2014/050392
    • 2014-04-30
    • GALTRONICS CORPORATION LTD.
    • MARTISKAINEN, MattiHOEPFNER, Victor
    • H01Q11/12
    • H01Q5/307H01Q1/362H01Q9/30H01Q9/40H01Q11/12H01Q21/30
    • A multiband antenna including a feed point, a helical radiating element galvanically connected to and fed by the feed point, the helical radiating element resonating in a Very High Frequency range and an elongate radiating element arranged coaxially within the helical radiating element and galvanically connected to and fed by the feed point, the elongate radiating element extending along only a portion of the helical radiating element, the elongate radiating element having a first resonant frequency and a second resonant frequency, the elongate radiating element operating as a quarter-wavelength monopole at the first resonant frequency and as an eighth- wavelength monopole at the second resonant frequency.
    • 一种多频天线,包括馈电点,电流连接到馈电点并由馈电点供电的螺旋辐射元件,螺旋辐射元件在非常高频范围内谐振,并且细长辐射元件同轴地布置在螺旋辐射元件内并电连接到 所述细长辐射元件仅沿所述螺旋形辐射元件的一部分延伸,所述细长辐射元件具有第一共振频率和第二谐振频率,所述细长辐射元件在第一谐振频率和第二共振频率下作为四分之一波长单极子工作 谐振频率和第二谐振频率下的第八波长单极子。