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Methods for enabling near video-on-demand and video-on-request services using digital video recorders

  • US 20050086696A1
  • Filed: 10/21/2004
  • Published: 04/21/2005
  • Est. Priority Date: 03/29/1993
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • receiving VOR selection data from a plurality of VOR users, each VOR selection data including at least one requested video selection and video recorder identifying information for identifying a particular video recorder of each of said plurality of users;

    storing the received VOR selection data;

    performing a statistical analysis of the stored VOR selection data;

    determining using the statistical analysis transmission times for each said at least one requested video selection;

    transmitting personal video recorder control signals to personal video recorders depending on the received VOR selection data and the transmission time of each video selection requested by each VOR user, whereby if the received VOR selection data from a user includes a request for a particular video selection the user'"'"'s particular video recorder is automatically controlled record the particular video selection;

    transmitting an encrypted version of the particular video selection receivable by all of the video recorders so that each particular video recorder can be automatically controlled to record the encrypted particular video selection;

    receiving a request for an encryption key for the recorded encrypted particular video selection; and

    transmitting an encryption key to enable playback of the encrypted version of the particular video selection upon request from a user, whereby the video recorder is controlled to automatically record the particular video selections requested by a particular user and playback of the recorded particular video selections is enabled upon request from the user.

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