Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2003-08-01
2008-03-25
Pham, Brenda (Department: 2616)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C370S395700
Reexamination Certificate
active
07349445
ABSTRACT:
An MFI synchronization manager determines the continuity of MFI values to manage the synchronization of the MFI values. A phase adjuster detects a reference VC-3 channel of VC-3 channels which make up a virtual concatenation based on detected MFI values. A write controller writes frame data into a phase adjustment memory based on a write permission signal from the phase adjuster and data valid/invalid information. A write frame manager manages the frame data written in the phase adjustment memory with respect to each of the VC-3 channels and generates a read permission signal for the frame data whose all VC-3 channels of the concatenation have been written. A read controller reads the frame data from phase adjustment memory according to the read permission signal.
REFERENCES:
patent: 5572513 (1996-11-01), Yamamoto et al.
patent: 7095758 (2006-08-01), Tomizawa et al.
patent: 6-97975 (1994-04-01), None
patent: 2002-232380 (2002-08-01), None
patent: 2003-188844 (2003-07-01), None
patent: 2003-333007 (2003-11-01), None
NEC Corporation
Pham Brenda
Sughrue & Mion, PLLC
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