Apparatus for embedding and reproducing watermark into and from contents data
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United States of America Patent
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Sep 26, 2006
Grant Date -
Sep 26, 2002
app pub date -
Feb 8, 2002
filing date -
Mar 22, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for embedding a watermark into contents data includes a parameter converting device for converting a parameter of first contents data to generate second contents data. A mixing device operates for embedding parameter information into the second contents data as watermark information. The parameter information represents a condition of the conversion of the parameter by the parameter converting device. The watermark information may include copyright information.
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