Secure method for duplicating sensitive documents
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United States of America Patent
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-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Sep 24, 1997
filing date -
Mar 29, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and device for securely duplicating sensitive documents. A marking element is entered on the original document to identify its confidential nature, as well as an encoded rules elements which defines duplication restrictions of the document. For each duplication request (101) for a sensitive document (102), the document is digitized (103) to determine the presence of a marking element (104) and to find the duplication restrictions, i.e., the encoded rules elements (106). Duplication may be performed (110) depending on the restrictions defined in the rules elements (106) and after an authorization check (108). A duplication may be obtained by requesting the computerized original of the document from the document issuer. In addition to the selective control of reproduction of documents the method and device is particularly suitable for preventing the duplication of documents for fraudulent purposes, multiple duplication of selected documents, and for copyright administration. It enables the issuer to retain control over the use of sensitive documents without fear of forgery.
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