Multi-layered body, and security document
US10896365B2 · kind B2 · utility
0Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2016 |
| Grant date | Jan 19, 2021 |
| Priority date | — |
| Expiry date | Apr 4, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multilayer body with a functional layer which includes an antenna element as well as with an optical security element which includes at least one electrically conductive partial region which is galvanically connected to the antenna element. A security document with such a multilayer body, as well as a method for the authentication thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.