Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2004-07-20
2008-08-12
Hsu, Alpus H (Department: 2619)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S401000, C370S463000, C370S466000, C398S047000, C398S075000
Reexamination Certificate
active
07411947
ABSTRACT:
An interface module comprises a serial signal transceiver to be connected to an external transmission path and an interface processing unit connected to the transceiver. The interface processing unit comprises a serializer/deserializer circuit, an encoder/decoder, a protocol processing unit having at least two kinds of selectable protocol processing functions, and a communicate mode switch circuit for changing reference clock to be supplied to the serializer/deserializer circuit in conjunction with switching of the protocol processing function from one to another.
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Fujibayashi Akira
Mizuno Makio
Hitachi , Ltd.
Hsu Alpus H
Mattingly, Stanger Malur & Brundidge PC
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