Cryptography – Key management – Having particular key generator
Patent
1991-05-29
1992-10-27
Swann, Tod
Cryptography
Key management
Having particular key generator
380 49, 380 50, 379100, 358483, H04N 144
Patent
active
051596300
ABSTRACT:
A system for maintaining the security of information transmitted between facsimile machines includes a transmitting/receiving facsimile machine for receiving input sheets having an encryption zone; an image sensor for detecting the encryption zones; an encryption device for scrambling messages that appear within an encryption zone. Further the system includes means for sensing encryption zones on transmitted messages and for decoding messages that have been scrambled within the encryption zones.
REFERENCES:
patent: 4454575 (1984-06-01), Bushaw et al.
patent: 4694352 (1987-09-01), Ina et al.
patent: 4901068 (1990-02-01), Benton et al.
patent: 4985919 (1991-01-01), Naruse et al.
patent: 4989244 (1991-01-01), Naruse et al.
"Facsimile with encrypted hard copy"; R A Meyers et al.; IBM Technical Disclosure Bulletin; vol. 20 No. 11B, Apr. 1978 pp. 4994-4995.
Hong Sheng-wen
Hsuan Min-Chih
Tseng Ling-Yuan
International Communication Systems Corporation
Swann Tod
LandOfFree
Facsimile message encryption system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Facsimile message encryption system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Facsimile message encryption system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-911550