Method of guaranteeing the authenticity of documents by checking for the presence of a changed feature, and the document
US7835563B2 · kind B2 · utility
11Cited by
10References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2002 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Oct 29, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
What are proposed are a method and a system for guaranteeing the authenticity or checking the authenticity of documents, in particular banknotes or the like, which each have a substrate (1) with specific substrate features (2), an image of the substrate being recorded before a document is issued and the image data obtained in the process being stored in a manner assigned to document data, in order to keep these data ready for possible later comparison enquiries concerning the authenticity of an issued document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.