Artificial ionospheric mirror composed of a plasma layer which can be tilted
US5041834A · kind A · utility
13Cited by
5References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | May 17, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This invention relates to generation of a Artificial Ionospheric Mirror (AIM), or a plasma layer in the atmosphere. The AIM is used like the ionosphere to reflect RF energy over great distances. A tiltable AIM is created by a heater antenna controlled in phase and frequency. The heater antenna phase shift scans a beam to paint a plasma layer. Frequency is changed to refocus at continually higher altitudes to tilt the plasma layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.