Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate
2007-08-28
2007-08-28
Beliveau, Scott E. (Department: 2623)
Interactive video distribution systems
Video distribution system with upstream communication
Having link to external network
C725S109000, C725S110000, C725S136000
Reexamination Certificate
active
09663601
ABSTRACT:
An enhanced television broadcast system may enable the transmission and reception of a real-time event when a new program is about to begin. The real-time event may control access to enhancements from the program that is ending. In some embodiments, these real-time events may constitute triggers that are included within packets transmitted in an Internet Protocol multicast. As one example, the trigger may include a Uniform Resource Locator in the form of a tv: protocol that automatically causes the television display to go to full screen television.
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Advance Television Enhancement Forum Specification (ATVEF), updated Feb. 2, 1999, pp. 1-37.
Beliveau Scott E.
Huynh Son P.
Intel Corporation
Trop Pruner & Hu P.C.
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