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    • 21. 发明授权
    • Antenna capable of micro-tuning and macro tuning for wireless terminal
    • 天线能够对无线终端进行微调和宏调谐
    • US07375694B2
    • 2008-05-20
    • US11606146
    • 2006-11-30
    • Chang-won JungYong-jin KimYong-eil KimSe-hyun Park
    • Chang-won JungYong-jin KimYong-eil KimSe-hyun Park
    • H01Q9/00H01Q1/38
    • H01Q9/40H01Q1/243H01Q1/38
    • Disclosed is an antenna capable of micro-tuning and macro-tuning for a wireless terminal, comprising: a radiator radiating electromagnetic waves; a ground connected to the radiator; at least one switching element positioned at a lengthwise region of the radiator, for shorting or opening the region of the radiator; and a voltage controlling element positioned at the radiator between the switching element and the ground, for controlling the extent of a voltage potential applied across the radiator. In accordance with the present invention, the antenna is capable of the macro-tuning between the service bands and micro-tuning for channel control within the service bands. Furthermore, the size of the antenna is significantly reduced and the antenna is installed on a circuit board in a patch type, thereby simplifying a work process.
    • 公开了一种能够对无线终端进行微调和宏调谐的天线,包括:辐射电磁波的散热器; 连接到散热器的地面; 至少一个开关元件位于散热器的纵向区域,用于短路或打开散热器的区域; 以及位于开关元件和地之间的散热器处的电压控制元件,用于控制跨过散热器施加的电压电位的程度。 根据本发明,天线能够在服务频带之间进行宏调谐和用于在业务频带内进行信道控制的微调。 此外,天线的尺寸显着减小,并且天线以贴片式安装在电路板上,从而简化了工作过程。
    • 27. 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。