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Method and system for subscription television billing and access

  • US 4,528,589 A
  • Filed: 02/01/1984
  • Issued: 07/09/1985
  • Est. Priority Date: 02/14/1977
  • Status: Expired due to Term
First Claim
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1. In a television system in which subscription program signals containing subscription program material are transmitted to subscribers, a program selection system comprising:

  • means at a location remote from the subscriber location for transmitting the subscription program signals with an associated signal indentifying the program signal as containing subscription program material in at least one of a plurality of subscriber accessible categories of subscription program material;

    means at the subscriber location for receiving the subscription signals and the associated category identifying signal;

    subscriber-actuated means at the subscriber location for selecting at least one category of subscription program material and producing a local category signal identifying said selected category of subscription program material;

    means for comparing said local category signal and said received category identifying signal to produce a control signal for limiting selection of program material to said at least one category identified by said local category signal.

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