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Control system for satellite delivered pay-per-view television system

  • US 5,151,782 A
  • Filed: 05/17/1989
  • Issued: 09/29/1992
  • Est. Priority Date: 05/17/1989
  • Status: Expired due to Fees
First Claim
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1. In a system including an originating source for providing program signals according to a pre-arranged schedule to the head-end equipment of one or more local cable television systems each having one or more subscribers, apparatus for automatically controlling from the originating source scrambling equipment at the head-end of each of said one or more local cable television systems for scheduling delivery to respective subscribers of the programs provided by said originating source, said apparatus comprising:

  • first data processing means at said originating source including first memory means for storing for each said one or more local cable television systems;

    address information, information as to which of the programs offered by the originating source it wishes to receive and the times or times at which it wishes to present each program to its one or more subscribers, and information regarding the technical specifications of its addressable head-end equipment, wherein said first data processing means is programmed to periodically and automatically assemble and communicate to the head-ends of all of said local cable television systems a binary message which contains address information and desired program schedule information for each of said local cable television systems; and

    second data processing means at the head-end of each said one or more local cable television systems including second memory means for storing command information for effecting future switching of its scrambling equipment to accomplish delivery of its offered schedule of programs to its subscribers and programmed to accept only that portion of said message that is addressed to it and to update said stored command information.

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