Multibeam antenna for receiving satellite waves
US5434586A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1993 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Nov 10, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/132
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A multibeam antenna for simultaneously receiving waves from one or more communication satellites and a broadcast satellite, which are apart in their stationary orbit positions over the equator, is disclosed. The antenna employs an offset parabolic face, used as a reflector for receiving satellite broadcast waves, a converter having a primary radiator for receiving communication satellite Waves set at the focus point of the offset parabolic face, and a converter having a primary radiator for receiving broadcast satellite waves set near the envelope of the broadcast waves reflected from the offset parabolic face. The offset parabolic face is pointed in the direction of the communication satellite such that the plane of symmetry of the offset parabolic face is coincident with a plane specified by the communication satellite, the broadcast satellite, and the receiving point of the antenna. By utilizing this arrangement, an antenna that is relatively inexpensive to manufacture and is easily installable and adjustable may be obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.