Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
Reexamination Certificate
2001-04-24
2010-11-23
Ngo, Ricky (Department: 2464)
Interactive video distribution systems
Operator interface
To facilitate tuning or selection of video signal
C725S116000
Reexamination Certificate
active
07840981
ABSTRACT:
An IP multicast aware switched digital method and apparatus are provided in a settop unit wherein packet streams containing reference information are multicast while a select set of program information is routed to the settop units so that multicast streams can be identified and full content can be routed individually to the settop unit for decoding. Specific or preferred embodiment applications include simultaneous output and interactive communication with a television (true video on demand), computer (Internet access), videophone and telephone.
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Atwater Antonio
Drake Edward C.
Haynes Michael N.
Michael Haynes PLC
Ngo Ricky
Nguyen Phuongchau B
Nokia Siemens Networks GmbH & Co. KG
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