Antenna device
US10784581B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2017 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/08
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna device includes a ground part, a patch part disposed parallel to the ground part to oppose the ground part, a short-circuit part electrically connecting the patch part and the ground part, a patch area expansion part and a ground area expansion part. The patch area expansion part is provided on a patch-side opposing surface that is a surface of the patch part opposing the ground part to expand an effective surface area that is an apparent area of the patch-side opposing surface with respect to the ground part. The ground area expansion part is provided in a region opposing the patch area expansion part on a ground-side opposing surface that is a surface of the ground part opposing the patch part to expand an effective surface area of the ground-side opposing surface with respect to the patch part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.