| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve an antenna support strength. <P>SOLUTION: An antenna positioner comprises first and second lift bodies 10 and 20 which are assembled to first and second post materials 1 and 2, respectively, to be lifted up and lifted down freely, a frame body 30 which is tilted back and forth in accordance with a difference in height between the first and second lift bodies 10 and 20, an antenna support shaft 41 on the frame body 30, first and second drive systems 51 and 52 which drive the first and second lift bodies 10 and 20 to be lifted up and lifted down, and a third drive system 53 which rotationally drives the support shaft 41. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
