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    • 49. 发明申请
    • MULTI-LAYERED MULTI-BAND ANTENNA
    • 多层多天线
    • WO2013033462A3
    • 2014-05-15
    • PCT/US2012053235
    • 2012-08-30
    • DOCKON AGBROWN FORREST JAMESORSI RYAN JAMESFOSTER MATTHEW ROBERT
    • BROWN FORREST JAMESORSI RYAN JAMESFOSTER MATTHEW ROBERT
    • H01Q21/00H01Q7/00
    • H01Q21/30H01Q1/48H01Q5/378H01Q7/005H01Q9/0407H01Q9/285H01Q9/30H01Q21/24H01Q25/001
    • Embodiments provide multi-band, compound loop antennas (multi-band antennas). Embodiments of the multi-band antennas produce signals at two or more frequency bands, with the two or more frequency bands capable of being adjusted and tuned independently of each other. Embodiments of a multi-band antenna are comprised of at least one electric field radiator and at least one monopole formed out of the magnetic loop. At a particular frequency, the at least one electric field radiator in combination with various portions of the magnetic loop resonate and radiate an electric field at a first frequency band. At yet another particular frequency, the at least one monopole in combination with various portions of the magnetic loop resonate and radiate an electric field at a second frequency band. The shape of the magnetic loop can be tuned to increase the radiation efficiency at particular frequency bands and enable the multi-band operation of antenna embodiments.
    • 实施例提供多频带复合环形天线(多频带天线)。 多频带天线的实施例在两个或更多个频带处产生信号,其中两个或更多个频带能够彼此独立地被调整和调谐。 多频带天线的实施例由至少一个电场辐射器和由磁环形成的至少一个单极子组成。 在特定频率下,与磁环的各个部分组合的至少一个电场辐射器在第一频带上谐振并辐射电场。 在又一个特定频率下,与磁环的各个部分组合的至少一个单极子谐振并辐射第二频带的电场。 可以调整磁环的形状以提高特定频带处的辐射效率并使天线实施例的多频带操作成为可能。