Method for the transmission of management data
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United States of America Patent
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Oct 11, 2011
Grant Date -
Aug 23, 2007
app pub date -
Feb 12, 2007
filing date -
Feb 23, 2006
priority date (Note) -
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Abstract
This invention relates to a method for the transmission of management data to at least one multimedia unit or a group of multimedia units. This method is characterized in that said management data is sent in the form of at least one authorization message encrypted by means of at least one synchronization key (SK), the sending of said at least one authorization message being repeated cyclically and intended for said multimedia unit or said group of multimedia units, and in that the synchronization key is modified at least during each cycle.
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