Metamaterial surfaces
US9105978B2 · kind B2 · utility
5Cited by
15References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Apr 29, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/007
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus to modify an incident free space electromagnetic wave includes a block of an artificially structured material having an adjustable spatial distribution of electromagnetic parameters (e.g., ∈, μ, η, σ, and n). A controller applies control signals to dynamically adjust the spatial distribution of electromagnetic parameters in the material to introduce a time-varying path delay d (t) in the modified electromagnetic wave relative to the incident electromagnetic wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.