Multiplex communications – Wide area network – Packet switching
Patent
1983-01-24
1986-06-17
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, 34082505, H04J 300, H04J 302, H04Q 300
Patent
active
045960135
ABSTRACT:
The invention discloses a data transmission network having a plurality of data transmission stations connected through a loop-like transmission line for mutual data transmission, wherein a plurality of data frames, each having data packets allocated to the respective stations, are circulated through the transmission line simultaneously, and each station is arranged to send out the data frame to the transmission line immediately after renewing the data of the data packet allocated to that station in the received data frame, and to process the data of the received data frame to be used for the associated equipment after sending out the data frame.
REFERENCES:
patent: 3483329 (1969-12-01), Hunkins et al.
patent: 3569632 (1971-03-01), Berensin et al.
patent: 3639904 (1972-02-01), Arulpragasam
patent: 3781815 (1973-12-01), Boudreau et al.
patent: 3855422 (1974-12-01), Cadiou et al.
patent: 3919484 (1975-11-01), Maxemchuk
patent: 4277843 (1981-07-01), Duquenne et al.
"VME Module GPIB Controller with DMA", Motorola VME Modules, 1982.
Saito Kunio
Takenaga Hiroshi
Tashiro Korefumi
Yasunami Masahiro
Chin Wellington
Hitachi , Ltd.
Olms Douglas W.
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