| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate the fine-adjustment of fitting angles (azimuth, and elevation and depression angles) of an antenna. <P>SOLUTION: An antenna device comprises: a first frame 11 which is fitted to a mast 5, and is capable of adjusting the orientation of an antenna body 2A by the rotation around an axis of the mast 5; a second frame 13 which is fitted to the first frame 11, and is capable of adjusting the orientation of the antenna body by the rotation around a first rotation axis P1; a third frame 21 which is fitted to the second frame 13, and is capable of adjusting the orientation of the antenna body by the rotation around a second rotation axis P2; first fine-adjustment means M1 which couples the first frame 11 with the second frame 13, and is capable of finely adjusting the orientation of the antenna body by rotating the second frame 13 around the first rotation axis P1 with respect to the first frame 11; and an angle adjustment mechanism which is arranged between the third frame 21 and the antenna body 2A, and is capable of coarsely and finely adjusting the orientation of the antenna body by rotating the antenna body around the second rotation axis P2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
