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Multicasting multimedia content distribution system

  • US 8,261,315 B2
  • Filed: 04/12/2005
  • Issued: 09/04/2012
  • Est. Priority Date: 03/02/2000
  • Status: Active Grant
First Claim
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1. A method for a multicasting multimedia content distribution system, the method comprising:

  • receiving a transmission schedule from a content server at a digital video recorder (DVR), the transmission schedule indicates transmission times for data streams;

    creating a virtual multicast link between the content server and the DVR, the DVR registers with the content server for a specific data stream; and

    receiving the specific data stream at the DVR from the content server at a scheduled time indicated by the transmission schedule, particular DVRs connected to a common local network register with the DVR to specify which data streams that a particular DVR wants to receive from the DVR.

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