Device and process for rendering secure the transmission of faxes, as well as fax unit which has been made secure and incorporating such a device
US5555307A · kind A · utility
17Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1994 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Jan 26, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4486
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Device and process for securing the transmission of telecopies or faxes and a secured telecopier or fax unit having such a security device. The device incorporating a user interface (16) permitting the establishment of a dialogue therewith and a security module (17) permitting the production and checking of digital signatures and preventing replay. The invention also relates to a fax unit including such a device and to a process for securing the transmission of faxes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.