Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2007-10-31
2011-12-13
Wong, Warner (Department: 2471)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S419000, C370S463000
Reexamination Certificate
active
08077706
ABSTRACT:
A remote facility and method for operating the same includes a signal processing system including a primary multiplexer multiplexing IP signals to form a multiplexed signal, a primary modulator a primary transport processing system forming a transport stream signal from the multiplexed signal, a primary modulator modulating the transport stream signal to form a modulated signal, a backup multiplexer multiplexing IP signals to form the multiplexed signal, a backup modulator a primary transport processing system forming a transport stream signal from the multiplexed signal, a backup modulator modulating the transport stream signal to form a modulated signal. The remote facility includes a controller in communication with the primary multiplexer, the primary transport processing system, the primary modulator, the backup multiplexer, the backup transport processing system and the backup modulator, said controller forming an output signal using at least one of the primary multiplexer, the primary transport processing system, and the primary modulator and at least one of the backup multiplexer, the backup transport processing system and the backup modulator. The remote facility may be part of a television signal collection system that includes an IP network and a local collection facility in communication with the remote collection facility through the IP network.
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Non-final Office action dated Aug. 4, 2010 in U.S. Appl. No. 11/929,252, filed Oct. 30, 2007 by Mitchell B. Wasden et al.
Arya Vishal
Boltz David T.
Miner Daniel M.
St. Laurent Darren M.
Wasden Mitchell B.
The DIRECTV Group Inc.
Wong Warner
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