×

Broadcast channel substitution method and apparatus

  • US 5,389,964 A
  • Filed: 12/30/1992
  • Issued: 02/14/1995
  • Est. Priority Date: 12/30/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. A signal substitution system at a viewer premises for substituting television signals in a channel on a distribution means with substitute television signals, said apparatus comprising at said viewer premises:

  • means for receiving a plurality of television signals and for distributing said received plurality of television signals in a plurality of RF frequency separated channels on said distribution means;

    means for receiving control signals directing the substitution of a specified first of said received television signals for the signals in a specified one of said plurality of frequency separated channels on said distribution means;

    RF channel deletion apparatus responsive to said received control signals for deleting said specified frequency separated channel from said distribution means;

    means for frequency converting said specified first received television signals to the frequency of said specified frequency separated channel; and

    means for combining said frequency converted first television signals with the signals in the plurality of frequency separated channels on said distribution means.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×