公开(公告)号：EP2290745A1

公开(公告)日：2011-03-02

申请号：EP10167834.0

申请日：2010-06-30

申请人： Thomson Licensing

发明人： Robert, Jean-Luc ,  Minard, Philippe ,  Praho, Brice

IPC分类号： H01Q9/02 ,  H03H11/12 ,  H03J3/08 ,  H03J7/04

CPC分类号： H01Q9/02 ,  H03H11/30 ,  H03J7/04

摘要： The invention relates to an antenna system for reception of channel signals from the UHF band by a receiver, comprising an electrically small antenna.
The system also comprises, connected between the port connected to the antenna and that of the receiver, an active impedance matching device controlled by command signals depending on the quality of the signal received by the receiver to compensate for the impedance variations due to the environment associated with the antenna and to reject the frequencies of interfering channels adjacent to the reception channel without interfering with the active impedance matching of the antenna.

摘要翻译： 本发明涉及一种用于由接收机从UHF频带接收信道信号的天线系统，包括电小天线。 该系统还包括连接在连接到天线的端口和接收器的端口之间的有源阻抗匹配装置，其根据由接收机接收的信号的质量由指令信号控制，以补偿由于环境相关联的阻抗变化 并且拒绝与接收信道相邻的干扰信道的频率，而不干扰天线的有源阻抗匹配。