Sensor for reading banknotes, security papers and the like, containing at least one security element
US8960544B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2008 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Apr 27, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A reading sensor adapted to read a security element having magnetic areas with different coercivity, comprising at least one first reading head and at least one second reading head, which are arranged parallel to each other and are capable of detecting two distinct signal sequences, and a permanent magnet which is arranged between the reading heads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.