Stabilized antenna system
US5359337A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1991 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Nov 21, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A stabilized antenna system is installed on a moving platform such as a ship to track a communication satellite. The antenna system examply employs either X1-Y-X2 or Y1-X-Y2 antenna mount. Rolling and pitching of the moving platform are offset by mechanically steering outside and intermediate axes, X1 and X, or Y1 and Y axes. The innermost axis is electronically steered to prevent instability which is caused by the mechanical steering, thereby improving reliability of the antenna system. The frame for rotatable supporting the array antenna is also supported by the radome rotatably. Further, the access hutch for maintainance is opened at the center of the radome and just below the array antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.