公开(公告)号：US20140253398A1

公开(公告)日：2014-09-11

申请号：US14190114

申请日：2014-02-26

Applicant: ASUSTeK COMPUTER INC.

Inventor： Tsung-Hsun HSIEH ,  Ting-Yi LIN ,  Yeh-Chun KAO ,  Yu-Chia CHANG ,  You-Fu CHENG

IPC: H01Q9/14

CPC classification number: H01Q9/145 ,  H01Q5/328 ,  H01Q5/335 ,  H01Q5/371 ,  H01Q5/378 ,  H01Q9/42

Abstract: A tunable antenna includes a ground plane, a first radiation unit and a second radiation unit. The first radiation unit includes a feeding portion and a coupling portion. The feeding portion is electrically connected to a signal source. The second radiation unit surrounds a part of the coupling portion and includes a grounding end and a switch unit. The grounding end is electrically connected to the ground plane. The switch unit is electrically connected to the grounding end and the ground plane selectively.

Abstract translation: 可调谐天线包括接地平面，第一辐射单元和第二辐射单元。 第一辐射单元包括馈送部分和耦合部分。 馈电部分电连接到信号源。 第二辐射单元围绕耦合部分的一部分并且包括接地端和开关单元。 接地端电连接到接地层。 开关单元选择性地电连接到接地端和接地层。