Method for copy protection of digital content
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United States of America Patent
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Mar 2, 2010
Grant Date -
Jun 30, 2005
app pub date -
Dec 28, 2004
filing date -
Dec 29, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for copy protection of digital content, wherein at least a part of the digital content is an active part enabling the execution of the digital content, includes steps of storing digital content in a storage, choosing reference storage blocks from the storage, creating dependencies between the digital content and the chosen reference storage blocks and executing by way of the active part the digital content only after verification of the dependencies in order to verify the presence of the chosen reference storage blocks. A storing medium also includes a digital content being copy protected according to the method and to a reproducing apparatus executes the steps of the above-described method.
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