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Signal processing apparatus and methods

  • US 8,843,988 B1
  • Filed: 05/15/1995
  • Issued: 09/23/2014
  • Est. Priority Date: 11/03/1981
  • Status: Active Grant
First Claim
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1. A method of controlling at least one addressable receiver station computer at a receiver station, said method comprising the steps of:

  • transmitting an information transmission to a plurality of receiver stations, each receiver station of said plurality of receiver stations being located within an individual residence and comprising a receiver and a plurality of addressable devices including an addressable receiver station computer, said information transmission comprising general information and a control signal addressed to said at least one of said plurality of addressable devices at at least one of said plurality of receiver stations, each of said addressable devices is identified by a distinct address that is different from the addresses of other addressable devices of said plurality of addressable devices;

    transmitting specific information addressed to said at least one of said plurality of addressable devices from a remote source to said at least one of said plurality of addressable devices at said at least one of said plurality of receiver stations, said specific information including instructions and data;

    receiving and storing at least a portion of said specific information from said remote source on said addressable receiver station computer at said at least one of said plurality of receiver stations; and

    performing the following steps at said at least one of said plurality of said receiver stations;

    (a) receiving said information transmission, said received information transmission including said general information and said control signal;

    (b) displaying, in response to receiving said information transmission, at least a first portion of said received general information;

    (c) detecting said received control signal;

    (d) determining if said detected control signal is addressed to said at least one of said plurality of addressable devices;

    (e) said addressable receiver station computer at said at least one of said plurality of receiver stations automatically executing processor instructions on the basis of said control signal to select at least one of a plurality of functions to be performed, said plurality of functions including the functions of

         1) causing the addressable receiver station to contacting a remote unit,

         2) causing a decrypter at said addressable receiver station to decrypt a transmission,

         3) regulating operation of environmental control apparatus at said addressable receiver station,

         4) causing said addressable receiver station to receive an audio or video signal related to said general information, and

         5) causing said addressable receiver station to receive information related to said general information if requested by a user at said addressable receiver station; and

    (f) said addressable receiver station computer at said at least one of said plurality of receiver stations performing said at least one of said plurality of functions based on said detected control signal; and

    said performing said at least one of said plurality of functions comprises displaying on a display device a television programming presentation including a locally generated image presented at a predetermined time in said television programming presentation with at least a second portion of said general information, wherein said locally generated image comprises user specific content, and each of said locally generated image and said at least a second portion of said general information includes content related to said television programming presentation.

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