Content protection continuity through authorized chains of components
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 24, 2015
Issued Date -
N/A
app pub date -
Sep 14, 2012
filing date -
Jun 11, 2009
priority date (Note) -
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Abstract
Provided is techniques for the distribution and control of digital content such that Quality of Experience (QoE) is maintained. Content is protected from when the content is encrypted to when it is used. To ensure the QoE of particular content, a content owner embeds a list of required or preferred components that must be employed to render the content. The content owner's list of required or preferred components specifies specific components “trusted” to correctly process the content. The specified chain of preferred components is compared to possible devices in the system that processes the content. If there are multiple acceptable devices for a specific link, a preference system is employed to determine the device that executed the particular part of the chain. The preference system is based upon a number of factors, such as, but not limited to, performance characteristics, user preferences, expected stability, power requirements and system preferences.
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