4. Pulse or digital communications
  5. Bandwidth reduction or expansion
  6. Television or motion video signal

Edward A. Ludvig

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Interactive video distribution systems – Program – message – or commercial insertion or substitution – Insertion of local commercial or local program at headend or...
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Apparatus and method for combining realtime and non-realtime...

Interactive video distribution systems – User-requested video program system – Video-on-demand
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Apparatus and method for combining realtime and non-realtime...

Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
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Bandwidth management techniques for delivery of interactive...

Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate

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Data structure and methods for providing an interactive...

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
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