Near-grazing retroreflectors for polarization
US11183769B2 · kind B2 · utility
1Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Apr 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/062
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A metasurface includes a dielectric material, a ground plane on a back side of the dielectric material; and at least one conductive element on a top surface of the dielectric material, wherein the at least one conductive element includes at least one of a ground-backed dipole or a slot array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.