Wireless methods and devices employing steganography
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United States of America Patent
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Apr 21, 2009
Grant Date -
N/A
app pub date -
Jan 6, 2000
filing date -
Nov 18, 1993
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.
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