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Digital cable headend for cable television delivery system

  • US 5,682,195 A
  • Filed: 12/02/1993
  • Issued: 10/28/1997
  • Est. Priority Date: 12/09/1992
  • Status: Expired due to Term
First Claim
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1. A combiner for selecting digitized programs and for combining the selected programs to create a combined signal for distribution to program subscribers, for use in a television program delivery system headend wherein the combiner receives digital video signals containing a plurality of digitized programs and receives information on programs to be selected, the combiner comprising:

  • means for receiving the information, wherein the received information includes data on the identifies of the plurality of digitized programs to be selected for distribution to the program subscribers;

    processor means for sending instructions comprising;

    means for determining the identities of the plurality of digitized programs to be selected using the received information, andmeans for generating instructions on the identities of the plurality of digitized programs to be selected;

    means, connected to the processor means, for selecting any of the plurality of digitized programs based on instructions received from the processor means, the selecting means comprising;

    means for demultiplexing the received digital video signals into component parts so that each of the plurality of digitized programs can be identified, each of the demultiplexed component parts containing at least one of the plurality of digitized programs; and

    means for communicating identified digitized programs using the program identifies, wherein the program identities are determined by the processor means and sent to the communicating means in the instructions from the processor means;

    means, connected to the selecting means, for combining the communicated programs into a combined signal.

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