Antenna device
US11942699B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2022 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Dec 1, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/065
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna device includes a first insulation layer, a defected metal layer, a second insulation layer, and a plurality of radiators. The defected metal layer is disposed on the first insulation layer, and the defected metal layer has a plurality of recess features which are arranged with uniform pitches. The second insulation layer is disposed on the first insulation layer and the defected metal layer. The radiators are disposed on the second insulation layer, and each radiator has a feeding portion and a grounding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.