Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate
2007-09-11
2007-09-11
Koenig, Andrew Y. (Department: 2623)
Interactive video distribution systems
User-requested video program system
Video-on-demand
C725S116000
Reexamination Certificate
active
08958088
ABSTRACT:
Several cable headend configurations that utilize digital technology are disclosed. The present invention provides greater capability and flexibility than existing cable headends. Specifically, a modular design for a cable headend and a combiner component for cable headends are disclosed. The invention is particularly useful in cable television program delivery systems transponding large numbers of digitally compressed program signals. The combiner disclosed allows cherry-picking of programs from transponded signals.
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patent:
Bonner Alfred E.
Hendricks John S.
Lappington John P.
Wunderlich Richard E.
Koenig Andrew Y.
Sedna Patent Services, LLC
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