Cryptography – Electric signal modification – Having production of printed copy
Patent
1993-03-05
1996-02-06
Cangialosi, Salvatore
Cryptography
Electric signal modification
Having production of printed copy
380 23, 235462, 235494, H04L 900
Patent
active
054902177
ABSTRACT:
A system and method for the filing, retrieving, verifying, translating, exchanging and updating documents by scanning said documents into and storing said documents on a programmed computer system, which system generates or assigns to each document handled a two-dimensionable machine readable image code which contains content and identifying information about the document, as well as information about the document format, and processing instructions. In addition the machine readable image code may contain information concerning textural and/or pictorial content of the document, bio-metric information and the like.
REFERENCES:
patent: 4802218 (1989-01-01), Wright et al.
patent: 4807287 (1989-02-01), Tucker
patent: 4888803 (1989-12-01), Pastor
patent: 5113445 (1992-05-01), Wang
patent: 5159635 (1992-10-01), Wang
patent: 5337361 (1994-08-01), Wang et al.
Chu John
Wang Ynjiun P.
Cangialosi Salvatore
Metanetics Corporation
Robinson Kenneth P.
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