Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate
2006-04-07
2011-10-25
Koenig, Andrew (Department: 2423)
Interactive video distribution systems
User-requested video program system
Video-on-demand
C725S038000
Reexamination Certificate
active
08046810
ABSTRACT:
A subscriber or other user is provided with access to a subscription service of a signal distribution system at a roaming location remote from a home location of the user. The home and remote locations are serviced by respective first and second head ends of the system. The subscription service comprises a plurality of selectable channels available to the user at the home location. The second head end obtains content for at least one channel of the subscription service available to the user at the home location, and inserts the content into a program stream utilizable for delivery of content to an interface device at the remote location to thereby make the channel accessible to the user at the remote location. In one embodiment, responsive to a channel change command initiated by the user via an interface device at the remote location, the second head end first determines if content for the newly-selected channel is already available in the second head end as a result of subscription services provided to any other user serviced by the second head end. If the content for the newly-selected channel is already available in the second head end, the second head end immediately makes that content accessible to the user at the remote location without obtaining it from the first head end.
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Alcatel Lucent
Koenig Andrew
Malangone Carmine
Ryan & Mason & Lewis, LLP
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