| 摘要 |
<p>The invention discloses an antenna (1) comprising a rod (2) connected to a supporting base (3) by means of a ball-and-socket joint (5) formed by a first ball-and-socket joint element (6) rigidly connected to said supporting base (3) by a second ball-and-socket joint element (7) connected to said rod (2). Said ball-and-socket joint elements revolvingly co-operating with each other in order to permit the orientation of said rod (2) of said antenna and are equipped with contrasting means (163, 173) suited to permit the fixing of said rod (2) in any of the orientation positions achieved. <MATH></p> |
