Transmission device with omnidirectional antenna
US6300916A · kind A · utility
0Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 20, 1998 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Jul 20, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/362
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention discloses a transmission device comprising an antenna having a plurality of aerial wires uniformly distributed regularly in a helix about a cylindrical generatrix, and means for feeding the aerial wires with a radio frequency signal. The invention is characterized in that the means for feeding produces an equi-phase and equi-amplitude signal which directly feeds the plurality of aerial wires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.