Compact Rotman lens using metamaterials
US8736503B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2012 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Sep 6, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q25/008
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Apparatus for receiving and transmitting electromagnetic signals are disclosed herein. In some embodiments, an apparatus includes a positive refractive index (PRI) medium; a negative refractive index (NRI) medium having a first side and a second side disposed in the PRI medium; a plurality of first transmission lines, each first transmission line having a first end extending toward the first side of the NRI medium; and a plurality of second transmission lines, each second transmission line having a second end extending toward the second side of the NRI medium, wherein a plurality of electromagnetic signals travelling in a first direction, enters the PRI medium and travels along the plurality of first transmissions lines and exits into first side of the NRI medium, passes through the NRI medium and exits through the second side of the NRI medium into the PRI medium along a first one of the second transmission lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.