Device for covering the aperture of an antenna
US5907310A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A device is indicated for covering the aperture of an antenna having a parabolic reflector and an exciter. The cover is made of a rigid material. The cover includes a shield ring connected to the reflector and a plastic cover shaped like a flat or obtuse cone having a conical portion which closes the open end of the reflector. The wall of the conical portion of the cover forms an angle between 4.degree. and 6.degree. with a plane that is at a right angle to the axis of the shield ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.