Systems and methods for retrofitting electronic appliances to accept different content formats
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United States of America Patent
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Jul 26, 2011
Grant Date -
Oct 4, 2007
app pub date -
Mar 12, 2007
filing date -
Apr 4, 2006
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Abstract
Systems and methods are disclosed for using an arbitrary fixed channel to carry third-party information. In one embodiment, the present invention provides systems and methods for enabling existing content rendering devices to accept content encoded in a proprietary format, such as an encoding format used by a digital rights management system. The encoded content is rendered by the device in the normal manner, and decoded by a retrofitting appliance connected to the device's output. The retrofitting appliance may apply decoded rules and controls to the decoded content, thereby managing use of the content.
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