Electronic device
US10833396B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Apr 8, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a metal frame, an antenna feeding point, an antenna ground, a feeding branch, a grounding branch, an antenna resonance arm, a variable capacitor, and a control circuit. The antenna resonance arm is a part of the metal frame after segmentation, the antenna feeding point is disposed on the feeding branch, a first connection portion and a second connection portion are disposed on the antenna resonance arm, the feeding branch is disposed between the second connection portion and the antenna ground, the grounding branch is disposed between the first connection portion and the antenna ground, the variable capacitor is disposed on the feeding branch, the variable capacitor is disposed between the antenna feeding point and the second connection portion, and the control circuit is configured to adjust a capacitance of the variable capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.