| 摘要 |
<p>In a satellite receiver a feeder element is provided that includes several feeder horns on a microwave head (low noise block downconverter (LNB)) for distributing satellite signals from different satellites to different channels in the different horns and means for blocking all channels, except for the one that is presently desired to be used, before the signals sent on these channels reach the microwave head.</p> |
