Method and apparatus for transmitting information via a bus system
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United States of America Patent
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-
Apr 11, 1989
Grant Date -
N/A
app pub date -
Feb 25, 1988
filing date -
Feb 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for transmitting message information between a plurality of transmission units includes a plurality of data transmission channels on a bus system which are each permanently assigned to a respective transmission unit and adapted to transmit message information only to the transmission unit to which it is assigned from any one of the other transmisstion units. In addition, a plurality of status transmission channels on the bus system are each assigned to one of the transmission units and adapted to transmit status information from any one of the transmission units. This status information indicates whether the data transmission channel assigned to the same transmission unit as the respective status transmission channel is engaged or unoccupied for transmitting message information. The method and apparatus are particularly suited for switching nodes in packet-switched communications.
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