Multiplex communications – Wide area network – Packet switching
Patent
1985-07-15
1987-06-09
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 89, H04J 300
Patent
active
046726071
ABSTRACT:
A local area network communication system in which a repeating installation sets a ring number of a ring from which a communication frame was taken out as a source address of the frame. The repeating installation also sets a ring number of a ring to which a communication frame is to be sent. When a station receives the frame, the station checks the source address of the frame to identify the ring number of the ring to which the source station belongs and checks the destination address to identify the ring number of the ring to which the station itself belongs.
REFERENCES:
patent: 3731002 (1973-05-01), Pierce
patent: 3890471 (1975-06-01), Hachenburg
patent: 4287592 (1981-09-01), Paulish et al.
patent: 4510492 (1985-04-01), Mori et al.
Harakawa Takeshi
Kashio Jiro
Nakayashiki Susumu
Hitachi , Ltd.
Olms Douglas W.
Rokoff Kenneth I.
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