Use of communication equipment and method for authenticating an item, unit and system for authenticating items, and authenticating device
US7702108B2 · kind B2 · utility
85Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2001 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Jul 20, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to a method and a system for the local or remote authentication of an item, in particular a security document, with the help of a authenticating device, comprised in, connected to, or linked to mobile communication equipment. Said item carries a marking exhibiting a characteristic physical behavior in response to interrogating energy, such as electromagnetic radiation and/or electric or magnetic fields. Said marking may comprise physical and logical security elements, e.g. a barcode, or a characteristic particle or flake pattern, exhibiting a characteristic physical response.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.