Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate
2006-05-23
2006-05-23
Miller, John (Department: 2614)
Interactive video distribution systems
Video distribution system with upstream communication
Having link to external network
C725S105000, C725S109000, C725S112000, C725S051000, C725S136000, C725S115000, C725S056000, C709S217000, C709S218000, C709S219000
Reexamination Certificate
active
07051357
ABSTRACT:
A method and apparatus of communicating audio/video programs (e.g., television content associated with a plurality of channels) includes receiving the audio/video programs over a transport medium. A stream of ancillary data portions associated with a plurality of audio/video programs (e.g., a plurality of television channels or transport stream programs) may be received over a separate delivery mechanism. The ancillary data may include announcements associated with enhancement data according to an Advanced Television Enhancement Forum Specification, for example. One of the audio/video programs is tuned to, with one or more ancillary data portions located and identified with the tuned audio/video program. A special announcement in the ancillary data portions delivered to an expected location is used to locate announcements for the tuned audio/video program.
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Intel Corporation
Miller John
Salce Jason P.
Trop Pruner & Hu P.C.
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