Patent · US Expired

Device and process for securizing a document and graphic authentification code

US5652794A · kind A · utility

20Cited by
8References
25Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 11, 1995
Grant dateJul 29, 1997
Priority date
Expiry dateAug 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.