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Advanced set top terminal for cable television delivery systems

  • US 5,990,927 A
  • Filed: 12/02/1993
  • Issued: 11/23/1999
  • Est. Priority Date: 12/09/1992
  • Status: Expired due to Term
First Claim
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1. An upgrade module for enhancing the functionality of a decompression box for use in a cable television program delivery system, the enhanced functionality using a control information stream that provides the decompression box with menu generation capability, the decompression box initially having the capability to produce decompressed video, the upgrade module comprising:

  • an interface means for providing an electronic connection to the decompression box so that the control information stream may be received from the decompression box;

    a means, connected to the interface means, for demultiplexing the control information stream into graphics and text;

    a means, connected to the demultiplexing means, for combining the text and graphics to produce a menu generation signal; and

    a means, connected to the combining means and interface means, for transferring the menu generation signal to the interface means for output to the decompression box, whereby the menu generation signal is processed for display.

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