Wireless methods and devices employing steganography
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United States of America Patent
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Sep 27, 2011
Grant Date -
May 29, 2008
app pub date -
Oct 19, 2007
filing date -
Apr 25, 1996
priority date (Note) -
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Abstract
A wireless device includes a data capture system, a radiant-energy data transmission system, and a steganographic encoder that hides a plural-bit auxiliary code within data captured by the data capture system prior to its transmission by the data transmission system. An illustrative system, operable with audio input data, is a cell phone that steganographically encodes a user's voice. In some arrangements the steganographic encoding depends on data wirelessly received from a remote location. A variety of other arrangements and systems are also detailed.
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