Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus access regulation
Reexamination Certificate
2006-04-01
2011-11-08
Stiglic, Ryan (Department: 2111)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus access regulation
C710S306000, C709S251000
Reexamination Certificate
active
08055826
ABSTRACT:
A communication system comprises a multiplicity of slave units and a master unit. The slave units are coupled to one another via a first communication path and a second communication path, the first communication path and the second communication path operating in opposite directions to one another, and a master unit, the master unit being coupled to the multiplicity of slave units via the first communication path and the second communication path. The master unit comprises a transmit control unit, the transmit control unit separately transmitting an information signal with a data field which has for each slave unit an associated data area, on the first communication path as a first information signal and on the second communication path as a second information signal. The master unit further comprises a receive control unit, the receive control unit superimposing the data field of the first information signal circulated on the first communication path and the data field of the second information signal circulated on the second communication path.
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Janssen Dirk
Kucharski Franz-Josef
Beckhoff Automation GmbH
Dorsey & Whitney LLP
Stiglic Ryan
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