Security element particularly for banknotes, security cards and the like, having anti-counterfeiting features
US8365999B2 · kind B2 · utility
1Cited by
4References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Oct 11, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D2033/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security element, particularly for banknotes, security cards and the like, comprising a first substrate which is at least partially opaque when viewed in transmitted light, magnetic areas being deposited on the substrate, the magnetic areas comprising at least two types of magnetic areas which have different coercivity values and whose residual magnetism is identical or different, said different values being adapted to generate at least three mutually different codes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.