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    • 26. 发明申请
    • Multiband antenna with removed coupling
    • 多频带天线,拆除耦合
    • US20080007478A1
    • 2008-01-10
    • US11606981
    • 2006-12-01
    • Chang-won JungYoung-eil KimSe-hyun Park
    • Chang-won JungYoung-eil KimSe-hyun Park
    • H01Q1/36
    • H01Q1/38H01Q9/145H01Q9/42
    • A multiband antenna with removed coupling includes a radiator formed as a meander line bent zigzag several times and having a gap filling part in at least one area between neighboring meander lines. The gap filling part interconnects the neighboring meander lines. The multiband antenna further includes a ground connected with the radiator and at least one switch element mounted in an area along the longitudinal direction of the radiator and configured to alternately short or open an area of the radiator. Accordingly, two different resonance frequencies can be tuned using the single antenna, and the antenna efficiency can be enhanced by removing the coupling between the resonant frequencies that are tuned through the gap filling.
    • 具有去除耦合的多频带天线包括形成为弯曲曲线多次的曲折线的散热器,并且在相邻曲折线之间的至少一个区域中具有间隙填充部分。 间隙填充部分将相邻曲折线相互连接。 所述多频带天线还包括与所述散热器连接的地,以及至少一个开关元件,其安装在沿着所述散热器的纵向方向的区域中,并且被配置为交替地缩短或打开所述散热器的区域。 因此,可以使用单个天线来调谐两个不同的谐振频率,并且可以通过去除通过间隙填充调谐的谐振频率之间的耦合来增强天线效率。
    • 30. 发明申请
    • Ultra wide band device and detect-and-avoid method thereof
    • 超宽带设备及其检测和避免方法
    • US20080045175A1
    • 2008-02-21
    • US11651593
    • 2007-01-10
    • Byung-tae YoonYoung-eil KimChang-won JungSe-hyun Park
    • Byung-tae YoonYoung-eil KimChang-won JungSe-hyun Park
    • H04B15/00H04B1/18H04B17/00
    • H04B1/719H04B1/71637H04B17/318H04B17/382H04L27/0006
    • An ultra wide band (UWB) device and a detect and avoid (DAA) method thereof are provided. The UWB device includes a detect and avoid (DAA) module block which detects a strength of radio signals received in a plurality of channels and determines communicability of the channels; a multitone generation block which generates a plurality of frequencies corresponding to the plurality of the channels and outputs one of the plurality of frequencies; and a controller which controls the multitone generation block to generate frequencies of an available channel which is determined to be communicable by the DAA module block. The method includes detecting a strength of radio signals received in a plurality of channels; determining communicability of the channels according to the detected strength of the radio signals; generating frequencies corresponding to a channel which is determined to be communicable; and transmitting or receiving a signal using the generated frequencies.
    • 提供了超宽带(UWB)装置及其检测和避免(DAA)方法。 UWB设备包括检测和避免(DAA)模块块,其检测在多个信道中接收的无线电信号的强度并确定信道的通信性; 产生与所述多个通道对应的多个频率并输出所述多个频率中的一个的多音频产生模块; 以及控制器,其控制所述多音产生块以产生被所述DAA模块块确定为可通信的可用信道的频率。 该方法包括检测在多个信道中接收的无线电信号的强度; 根据检测到的无线电信号的强度来确定信道的可通信性; 产生与被确定为可通信的信道相对应的频率; 以及使用所产生的频率发送或接收信号。