Method and system for preventing reproduction of documents
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United States of America Patent
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-
Jun 26, 2001
Grant Date -
N/A
app pub date -
Nov 3, 1999
filing date -
Nov 16, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A reproduction apparatus includes a lens for imaging a customer-provided original onto an opto-electronic detector for producing image data, and a reproduction system for producing a copy therefrom. The apparatus further includes a detector for sensing data steganographically-encoded information in the image data, and for interrupting the copying process if such data is detected.
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Cited Art Landscape
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