Demand driven access mechanism

Details Demand driven access mechanism Demand driven access mechanism

1981-06-15

1982-12-28

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 85, H04Q 300

Patent

active

043664806

ABSTRACT:
A demand driven access mechanism comprises logic apparatus at each station capable of seizing use of a shared communication channel for enabling access to a selected one station. The logic apparatus receives status signals from all stations so that if one station seeks access to the channel it will be enabled immediately upon an inactive status to the channel. If two or more stations simultaneously seek access to the channel, the logic apparatus establishes a priority order between them, thereby enabling access to only one station at a time. The priority ordering is based, in part, by the identity of the station last enabled, to thereby assure priority order allocation among the stations.

REFERENCES:
patent: 4189766 (1980-02-01), Horiguchi et al.
patent: 4227179 (1980-10-01), Perry

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