Interactive video distribution systems – Video distribution system with upstream communication – Receiver
Reexamination Certificate
1999-10-07
2009-02-03
Lonsberry, Hunter B. (Department: 2623)
Interactive video distribution systems
Video distribution system with upstream communication
Receiver
C725S132000, C725S133000, C725S141000
Reexamination Certificate
active
07487534
ABSTRACT:
An application programming interface (API) for managing resources in a Digital Television (DTV) Receiver/Terminal. The API provides a uniform mechanism for gaining/controlling access to resources, managing multiple resources of the same type, and accessing the individual resource's management state and status. The resources may include, for example, a tuner, a modem, a database, a plug-in module, a cable, a software module, a network interface card, or a conditional access module. The resources are monitored and controlled either locally at the terminal, or remotely, e.g., from a head-end or an uplink. The API provides a resource package (40) for registering the available resources at the terminal, a resource state management package (30) for managing states of the resources, and a registry package (20) for storing objects that represent the resources. Resources of the same type are managed as a group.
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Mangalore Geetha
Meandzija Branislav N.
Peterka Petr
Zaiser Kurt
Cullen Larry T.
General Instrument Corporation
Lonsberry Hunter B.
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