| 摘要 |
PURPOSE:To prevent the fluctuation of antenna direction, by floating a base fitted with an antenna on a liquid in a vessel. CONSTITUTION:A vessel 1 with filled in a liquid, on which a base fitted with an antenna 3 is floated. The base is provided with permanent magnets 8 and 9. Since the permanent magnets 8 and 9 are attracted by permanent magnets 10 and 11 fitted to the vessel 1 to each other, the direction of a base in the liquid is not changed. Even if the vessel 1 is titled with the shaking of a ship, the base can be kept horizontally. Thus, this system is most suitable for the holding of a millimetric wave antenna which requires the directivity especially. |
