Multiplex communications – Wide area network – Packet switching
Patent
1982-04-15
1984-10-16
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 60, H04J 300
Patent
active
044778996
ABSTRACT:
A digital data transmission system with a transmultiplexer arrangement for interconnection of a time division multiplex line and a packet multiplex line. The transmultiplexer has a section which converts data for each of a plurality of terminals on the time division multiplex line in the unit of a packet, for allocation on the packet multiplex line, and a section which identifies the time position of each data unit on the time division multiplex line, prepares a specific packet containing the position information and allocates the specific packet before the data packet on the packet multiplex line. The transmultiplexer also has a section which periodically allocates data on the packet multiplex line allotted with a specific packet containing position information of a terminal before a data packet corresponding to the terminal on the time division multiplex line in accordance with the position information of the terminal.
REFERENCES:
patent: 4324000 (1982-04-01), Ali
"Proceedings of the Fourth International Conference on Computer Communication", Kyoto, Sep. 26-29, 1978, pp. 583-588.
Computer Design, vol. 15, No. 6, pp. 83-88, Jun. 1976, "Packet Switching Combines Two Techniques in one Network" by J. de Snet et al.
Kato Takao
Takemura Tetsuo
Hitachi , Ltd.
Olms Douglas W.
Scutch III Frank M.
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