Systems and methods for gathering data concerning usage of media data
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United States of America Patent
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Jan 27, 2009
Grant Date -
Sep 29, 2005
app pub date -
Mar 26, 2004
filing date -
Mar 26, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention concerns methods and systems for gathering data concerning usage of media data provided from a predetermined receiver to a user. First data concerning usage of the media data is gathered by means of a portable monitor carried on the person of the user. Second data concerning usage of media data by the predetermined receiver is gathered by a monitoring system separate from the portable monitor, the second data corresponding to at least a portion of the first data. Audience measurement data is produced based on the first and second data.
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