Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 21, 2009
Patent Application Number
09479304
Date Filed
January 6, 2000
Patent Citations Received
Patent Primary Examiner
Patent 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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