Content Protection Arrangements
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United States of America Patent
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app pub date -
May 11, 2006
filing date -
May 19, 1999
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Abstract
Content protection arrangements govern use of particular electronic content in a consumer electronic device. An exemplary arrangement authorizes use based not just on usage control data corresponding to the content, but also based on the type of output with which the device is equipped. Thus, for example, playback of a song (or video) with particular usage control data may be authorized on a device that includes only analog output, but not be authorized on a device that is capable of outputting the content in an unencrypted digital format. A variety of other technologies and arrangements are also detailed.
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