MECHANICALLY TUNABLE ANTENNA FOR COMMUNICATION DEVICES
摘要
<p>A radio antenna assembly for use in a communication device has an antenna element disposed adjacent to a ground plane to form a physical relationship with the ground plane. A mechanical device is used to change the physical relationship for changing the operating impedance of the antenna element or shifting the frequency band of the antenna assembly. The physical relationship can be changed by mechanically changing the shape of the antenna element. When the antenna element comprises a first radiating element and a second radiating element disposed at a lateral distance from the first radiating element, the physical relationship can be changed by changing the distance. When a physical object is disposed between the antenna element and the ground plane, the physical relationship can be changed by moving or twisting the physical object. The object can be electrically conducting, dielectric or magnetic.</p>
申请公布号
WO2008004041(A1)
申请公布日期
2008.01.10
申请号
WO2007IB01023
申请日期
2007.04.18
申请人
NOKIA CORPORATION;NOKIA INC.;RAHOLA, JUSSI;OLLIKAINEN, JANI;HASHIZUME, KENICHE;RYYNAENEN, MATTI
发明人
RAHOLA, JUSSI;OLLIKAINEN, JANI;HASHIZUME, KENICHE;RYYNAENEN, MATTI