METHOD AND APPARATUS FOR CONTROLLING USE OF DIGITAL CONTENT USING SLIDING TIME INTERVALS

摘要

Digital work adapted to be distributed within a system for controlling at least one of the distribution and use of digital works. The digital work includes digital content representing a portion of a digital work suitable for being rendered by a rendering device and usage rights associated with the digital content. The usage rights specify a manner of use indicating one or more stated purposes for which the digital work can be at least one of used and distributed by an authorized party.