Occupancy control system for plural serial buses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 1988
Grant Date -
N/A
app pub date -
Oct 11, 1985
filing date -
Oct 15, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Plural stations are connected to two independent serial buses and they are permitted to occupy a first serial bus in a predetermined order under control of a bus controller. A second serial bus is used for transmitting to the bus controller an urgent bus occupancy request issued by any of the stations. Upon receipt of the urgent bus occupancy request, the bus controller permits the request-issuing station to occupy the first serial bus regardless of the predetermined order, thereby insuring a fault-free operation of the system for transmitting data between the stations.
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