Device and process for securizing a document and graphic authentification code
US5652794A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 11, 1995 |
| Grant date | Jul 29, 1997 |
| Priority date | — |
| Expiry date | Aug 11, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3269
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a device for securizing a document incorporating a processing module, which calculates and associates with each document page (10), comprising a zone (11) containing the text of the information to be certified, a graphic seal (12) representing it in the form of interlaced bar codes. The invention also relates to a process for securizing a document and a graphic authentification code. Particular application to the securized storage of documents and to securizing transmissions by fax.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.