System, method and medium for utilizing digital watermarks in instructional material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Nov 4, 2004
app pub date -
Apr 29, 2003
filing date -
Apr 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system, method and medium that embeds an imperceptible or substantially imperceptible watermark in an image on a page of instructional material. Upon using an optical reading device to read the watermark, a computer can launch, for example, an application program used to provide, for example, context sensitive information, one or more learning assessment activities, and/or information for the physically impaired, and/or redirect a user to an educationally relevant web page as directed by the watermark.
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Family
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Cited Art Landscape
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