Patent · US Expired

Device for protecting data transmitted by a facsimile machine

US6297892A · kind A · utility

4Cited by
11References
8Claims
0Family size

Inventors

Key dates

Filing dateMar 27, 1995
Grant dateOct 2, 2001
Priority date
Expiry dateMar 27, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/001
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a device for protecting data transmitted by a facsimile machine and provides for encrypting and decrypting of data converted to a binary code. The device is detachably connectable to a facsimile machine for receiving the data and for encrypting/decrypting the data in accordance with a pre-selected key. The encrypted data is stored by the device for subsequent retrieval upon demand. A keypad and an associated visual display allow programming of the electronic function of the device.

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