Phase shifter comprising DGS and radio communication module comprising same
US11569556B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 23, 2018 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/50
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A phase shifter includes a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.