Smart metal card with radio frequency (RF) transmission capability
US9898699B2 · kind B2 · utility
37Cited by
13References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2015 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Dec 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/06
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Ferrite material utilized in a smart metal card as a shield between a metal layer and an antenna does not occupy a complete layer. Instead, only sufficient ferrite material is utilized to track and conform to the antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.