Multiplex communications – Wide area network – Packet switching
Patent
1994-10-19
1996-04-09
Hsu, Alpus
Multiplex communications
Wide area network
Packet switching
370 942, 3701053, 375354, 375356, 375364, H04J 306
Patent
active
055068359
ABSTRACT:
A timing recovery apparatus for asynchronous residual time stamping is disclosed. The timing recovery apparatus is placed at the timing domain boundaries for extending the use of synchronous residual time stamping into a new timing domain and for calculating the value indicative of the number of complete source network clock cycles in a predetermined time period which is loaded into a counter. When the counter reaches a predetermined value, a latch connected to a further counter contains a new residual time stamp value.
REFERENCES:
patent: 4698806 (1987-10-01), Graves et al.
patent: 5260978 (1993-01-01), Fleischer
patent: 5287389 (1994-02-01), Ichibanagase et al.
patent: 5343502 (1994-08-01), Sato
patent: 5396492 (1995-03-01), Lien
Hsu Alpus
Ngo Ricky
Roke Manor Research Limited
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