Multiplex communications – Wide area network – Packet switching
Patent
1991-06-24
1994-09-27
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 63, 370 68, H04Q 1104
Patent
active
053512383
ABSTRACT:
A frame phase variable time-division switch according to the present invention comprises an input highway, a data memory for storing data multiplexed on the data highway, an output highway to which data read out of the data memory is outputted, a control memory for storing a write address or a read address of the data memory, a write counter for generating a write pulse, a read counter for generating a read pulse, a write reset terminal for inputting a pulse for controlling the phase of the write counter, and a read reset terminal for inputting a pulse for controlling the phase of the read counter.
REFERENCES:
patent: 4608684 (1986-08-01), Upp
patent: 4894821 (1990-01-01), Hayano
patent: 4941141 (1990-07-01), Hayano
patent: 5123012 (1992-06-01), Suzuki et al.
Electric Telecommunication Association, "Digital Transmission Terms" Dec., 1988, p. 74.
Ashi Yoshihiro
Nakano Yukio
Takeda Kenji
Hitachi , Ltd.
Hitachi Communication System Inc.
Hom Shick
Olms Douglas W.
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