Patent · US Expired

Secured apparatus and process for securing the transmission of documents by fax and graphic code for the authentication of an image

US5530755A · kind A · utility

31Cited by
4References
24Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 16, 1994
Grant dateJun 25, 1996
Priority date
Expiry dateAug 16, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/3278
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a secured apparatus for the transmission of documents by facsimile or fax, which comprises on the emitter side a securing module placing in the binary file transmitted and representing the document a graphic signature of the "morse" type placed on a page of the document and including on the recipient side a module for decoding and checking the graphic signature. The invention also relates to a process for securing the transmission of documents by fax and an image authentication graphic code.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.