Antenna structure
US9450303B2 · kind B2 · utility
7Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2013 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Jul 2, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna structure includes a radiation module and a metal board. The radiation module has a first coil unit and a second coil unit. The first coil unit is coupled to the second coil unit. The first coil unit and the second coil unit have opposite direction of current. The metal board is disposed at one side of the radiation module. The metal board has an enclosed slot which has a first slot portion and a second slot portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.