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Digital rights management for content rendering on playback devices

  • US 20050114896A1
  • Filed: 11/21/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. In a client device, a method comprising:

  • receiving a request for playback of digital audio or video content stored on the device;

    determining an allotted playback duration for the device;

    determining an elapsed playback duration for the device, the elapsed playback duration representing an amount of time previously consumed by the device while rendering digital audio or video content;

    determining whether a predetermined relationship between the elapsed playback duration and the allotted playback duration for the device is satisfied; and

    regulating playback of at least the requested digital audio or video content if the predetermined relationship between the elapsed playback duration and the allotted playback duration for the device is determined to be satisfied.

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