Multiple-beam antenna with photonic bandgap material
US7233299B2 · kind B2 · utility
13Cited by
7References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 23, 2003 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Oct 23, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/17
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (36) of the photonic bandgap material so as to produce at least one narrow bandwidth within the bandgap material, and excitation elements (40 to 43) for transmitting and/or receiving electromagnetic waves within the at least one narrow bandwidth, the elements being arranged relative to one another so as to produce overlapping radiating spots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.