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    • 6. 发明授权
    • Patch antenna for local area communications
    • 用于局域通信的补片天线
    • US07432863B2
    • 2008-10-07
    • US11604773
    • 2006-11-28
    • Yong-jin KimYoung-eil KimKang-wook Kim
    • Yong-jin KimYoung-eil KimKang-wook Kim
    • H01Q1/38
    • H01Q9/0407H01Q9/0442
    • A patch antenna includes a radiator part which includes at least one first radiator attached to an area of one surface of a dielectric, and at least one second radiator disposed within the dielectric and electrically connected to the first radiator; and a ground part which comprises at least one first ground disposed on other surface of the dielectric and at least one second ground disposed on the one surface of the dielectric, the first ground and the second ground electrically connected to each other. Accordingly, the size of the patch antenna is drastically reduced, and a wide bandwidth, high gain, and directionality are obtained.
    • 贴片天线包括散热器部分,其包括附接到电介质的一个表面的区域中的至少一个第一散热器和设置在电介质内并电连接到第一散热器的至少一个第二辐射器; 以及接地部分,其包括设置在电介质的另一表面上的至少一个第一接地和设置在电介质的一个表面上的至少一个第二接地,第一接地和第二接地彼此电连接。 因此,贴片天线的尺寸大大降低,并且获得宽带宽,高增益和方向性。
    • 8. 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。