Security element with machine-readable features
US11932044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2020 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Nov 19, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/47
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security element has machine-readable magnetic security features in the form of at least two magnetic materials which have different magnitudes of coercive force and which are provided as a mixture in at least one printing ink that is applied onto a carrier substrate, wherein the at least one printing ink is provided in at least two regions on the security element with the same thickness and/or different thicknesses, and a defined mixture ratio of the at least two magnetic materials with different magnitudes of coercive force is provided in the at least one printing ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.