Loop network system

Details Loop network system Loop network system

1984-12-28

1987-06-23

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 86, H04Q 900, G06F 304

Patent

active

046756710

ABSTRACT:
In a loop network system in which a plurality of nodes are connected in the form of a loop, and a token frame is transmitted to shift the data transmit right among the nodes, the token frame transmitted from a node includes information for reserving the data transmit right of its own node even after allocation of the data transmit right to another node, so that a full duplex communication linkage can be established between the node having acquired the data transmit right by receiving the token frame and the node having transmitted the token frame. The token frame further includes a level mask field specifying the data transmit right allocation level so that the data transmit right is shifted according to the allocation level.

REFERENCES:
patent: 4295122 (1981-10-01), Hatada et al.
patent: 4410985 (1983-10-01), Yasumoto et al.
patent: 4445116 (1984-04-01), Grow
patent: 4510494 (1985-04-01), Mizokawa et al.
patent: 4566097 (1986-01-01), Bederman

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