Antenna device and portable terminal including the same
US10469133B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2017 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Oct 20, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F38/14
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna device includes a first wiring may include a spiral shape forming an empty region therein, and a second wiring disposed inside or outside of the first wiring. The second wiring is disposed to be spaced apart from the first wiring, and includes a first ring-shaped wiring and a second ring-shaped wiring, which are concentric to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.