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
Assignees
Inventors
Key dates
| Filing date | Aug 16, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Aug 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.