Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 15, 2011
Patent Application Number
11805075
Date Filed
May 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and systems are provided for gathering research data. Frequency domain data is received or produced, a signature is extracted from the frequency domain data and an ancillary code is read from the frequency domain data.
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