Antenna construction
US4500888A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 1983 |
| Grant date | Feb 19, 1985 |
| Priority date | — |
| Expiry date | Feb 25, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A free standing antenna formed with an elongated tubular body portion, having one or more sections, and an enlarged base portion at its lower end for mounting thereof, and the body portion having a plurality of layers or reinforcing filaments, some of the layers being bundles of longitudinal filament rovings running lengthwise, and others of the layers being generally circumferential windings of filament rovings, the layers being bonded together by resin material; electrically conductive elements embedded in the tubular structure, and running from end to end, an annular electrically conductive collar connected to the conductive elements adjacent the lower end of the structure, a female threaded socket connected to the collar, and extending through a wall of the tubular structure for connection from the exterior, at least one layer of woven reinforcing filament cloth material extending up the interior of the tubular structure adjacent the lower end, and overlying the interior of the collar, and, resin bonding the layer of woven cloth material to the interior of the tubular structure, and to the interior of the collar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.