发明名称 EXTERNAL ANTENNA SUPPORTING VARIOUS SERVICES FOR MOBILE TELEPHONE AND MOBILE TELEPHONE USING THE SAME
摘要 PURPOSE: An integrated external antenna and a communication terminal using the same are provided to improve convenience of a user by supporting various services using different frequency band. CONSTITUTION: An antenna connector(110) includes an RF(Radio Frequency) connection line(111). A first antenna unit(120) includes a first connection line(121) connected to the outside. The first antenna unit corresponds to the first frequency band. A second antenna unit(130) includes a second connection line(131) connected to the outside. The second antenna unit corresponds to the second frequency band different from the first frequency band. An RF switching unit(140) includes a switch. The switch selectively connects the first connection line and the second connection line to the RF connection line of the antenna connector.
申请公布号 KR20090118139(A) 申请公布日期 2009.11.18
申请号 KR20080043744 申请日期 2008.05.13
申请人 KT TECH, INC. 发明人 KIM, CHI CHUL
分类号 H01Q3/24;H01Q5/00 主分类号 H01Q3/24
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