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    • 22. 发明专利
    • Antenna capable of micro-tuning and also macro tuning
    • 天线可以微调,也可以调谐
    • JP2008017450A
    • 2008-01-24
    • JP2007127908
    • 2007-05-14
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • JUNG CHANG-WONKIM YONG JINKIM YOUNG-EILPARK SE-HYUN
    • H01Q9/14H01Q9/30
    • H01Q9/40H01Q1/243H01Q1/38
    • PROBLEM TO BE SOLVED: To provide an antenna for a wireless terminal capable of excellently realizing both of selection between two frequency bands (macro-tuning) and tuning of a channel in each frequency band (micro-tuning) and attaining furthermore downsizing.
      SOLUTION: A radiator 10 of the antenna 1 includes two regions and a switching element conducts or shuts off between the regions. Thus, the length of an actually operating part of the radiator is changed in two stages. A voltage controlling element is connected to the radiator between the switching element and ground. The voltage controlling element controls a voltage applied to the radiator depending on an externally applied voltage. Thus, the operating frequency of the radiator is furthermore fine-adjusted.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供能够在每个频带(微调)中两个频带(宏调谐)和频道调谐两者之间的选择的无线终端的天线,并且进一步减小尺寸 。 解决方案:天线1的散热器10包括两个区域,并且开关元件在区域之间导通或关闭。 因此,散热器的实际操作部分的长度分为两个阶段。 电压控制元件在开关元件和地之间连接到散热器。 电压控制元件根据外部施加的电压来控制施加到散热器的电压。 因此,进一步微调了散热器的工作频率。 版权所有(C)2008,JPO&INPIT