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    • 9. 发明授权
    • System and method for obtaining radiation characteristics of built-in antenna in mobile communication terminal
    • 移动通信终端内置天线辐射特性的系统及方法
    • US07668575B2
    • 2010-02-23
    • US10900317
    • 2004-07-28
    • Byung-Duck ParkSoo-Cheoul Kim
    • Byung-Duck ParkSoo-Cheoul Kim
    • H04M1/00
    • H01Q1/526H01Q1/243
    • A mobile terminal has an electromagnetic interference (EMI) shielding region set at an upper side of a main body part where an internal antenna is mounted. The internal antenna may be mounted on a main printed circuit board (PCB) in order to obtain a desired radiation gain. Such a shielding region alleviates the need to use metallic shielding material or EMI spraying throughout many parts of the terminal. In addition, in order to maximize wireless characteristics of the built-in antenna, a PCB ground is removed from a folder part and a FPCB connector is moved to a position along a side of a terminal display. With this structure, degradation of radiation characteristics of the antenna due to metal components installed around the built-in antenna can be prevented, and thus a stable radiation gain of the terminal antenna can be obtained.
    • 移动终端具有设置在安装有内部天线的主体部分的上侧的电磁干扰(EMI)屏蔽区域。 内部天线可以安装在主印刷电路板(PCB)上,以便获得期望的辐射增益。 这种屏蔽区域减轻了在终端的许多部分使用金属屏蔽材料或EMI喷涂的需要。 此外,为了使内置天线的无线特性最大化,从文件夹部分移除PCB接地,将FPCB连接器移动到终端显示器侧的位置。 利用这种结构,可以防止由于安装在内置天线周围的金属部件导致的天线的辐射特性的劣化,从而可以获得终端天线的稳定的辐射增益。