Multiplex communications – Wide area network – Packet switching
Patent
1990-01-22
1991-09-24
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3701001, 370108, 375107, H04J 306
Patent
active
050519905
ABSTRACT:
A phase adjustment circuit uses a broad band circuit for processing a plurality of high speed highway data comprising m bit frames. The phase adjustment circuit provides a master frame pulse based on a frame pulse selected from respective frame pulses in the high speed highway and delayed in phase by the maximum amount and provides a master clock based on a high speed highway clock corresponding to the master frame pulse. The phase adjustment circuit receives a plurality of high speed highway data by using the master clock and the master frame pulse.
REFERENCES:
patent: 4301532 (1981-11-01), Janetzky
patent: 4426713 (1984-01-01), Shimizu et al.
patent: 4451917 (1984-05-01), De Coursey
patent: 4694472 (1987-09-01), Torok et al.
patent: 4805195 (1989-02-01), Keegan
patent: 4805196 (1989-02-01), Cooperman et al.
Fujitsu Limited
Hsu Alpus H.
Olms Douglas W.
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