发明名称 Mobile telephone with broadcast receiving element
摘要 There is provided a mobile telephone assuring a high reception sensitivity over a wide band without deteriorating the design of the mobile telephone. In the mobile telephone, a helical antenna (4) operating as an antenna for television reception is formed by winding a conductive element along the external surface of the case several times at the upper end of the upper case (1). The helical antenna (4) is impedance-matched by a matching circuit (5) in a range of the order from 470 MHz to 700 MHz which is the television broadcast frequency. The matching circuit (5) is connected to a broadcast reception circuit (6). The broadcast reception circuit (6) operates as a reception circuit for receiving the television broadcast wave.
申请公布号 US7821463(B2) 申请公布日期 2010.10.26
申请号 US20050630144 申请日期 2005.06.16
申请人 PANASONIC CORPORATION 发明人 NISHIKIDO TOMOAKI;SAITO YUTAKA;YAMAZAKI YUKARI;KOYANAGI YOSHIO;EGAWA KIYOSHI
分类号 H01Q1/24;H01Q1/36;H01Q1/42;H01Q7/00;H01Q11/08;H04M1/02 主分类号 H01Q1/24
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