Linking of computers based on steganographically embedded digital data
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United States of America Patent
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-
Apr 1, 2003
Grant Date -
Feb 7, 2002
app pub date -
Jun 29, 2001
filing date -
Jul 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printed object, such as an item of postal mail, a book, printed advertising, a business card, product packaging, etc., is steganographically encoded with plural-bit data. When such an object is presented to an optical sensor, the plural-bit data is decoded and used to establish a link to an internet address corresponding to that object.
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