发明名称 MOBILE COMMUNICATION TERMINAL AND METHOD OF CONTROLLING LENGTH OF ANTENNA
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal for obtaining best reception sensitivity by controlling a length of an antenna element depending on the reception sensitivity of television broadcast and radio broadcast. <P>SOLUTION: The mobile communication terminal reads the length of the antenna corresponding to a reception channel from a storage means for storing in advance lengths of the antenna corresponding to each broadcast wave channel at start of receiving the broadcast wave, controls a winding length of an earphone antenna cord 15 as the antenna on the basis of the read antenna length, controls the winding length of the earphone antenna cord 15 in response to the reception sensitivity, and controls the winding length of the earphone antenna cord 15 in response to a change in the reception sensitivity. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007235192(A) 申请公布日期 2007.09.13
申请号 JP20060050567 申请日期 2006.02.27
申请人 KYOCERA CORP 发明人 SAKA YOSHIYUKI;UJII JIYUNICHI
分类号 H04B1/38;H01Q1/10;H01Q1/24;H04B7/26;H04M1/00 主分类号 H04B1/38
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