H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/233
H04L 12/433 (2006.01)
Patent
CA 1267232
ABSTRACT OF THE DISCLOSURE A data transmission system has a number of control devices connected via a transmission loop. Each control device includes signal processing circuitry which compiles data signals to be transmitted in the form of a data signal block. The signal processing circuitry is followed by a transmit buffer, which includes a write/read memory. A prepared data signal block can be accepted into this memory. A counter is connected to the memory which continuously addresses the memory for accepting a data signal block, and for emission thereof to the loop upon the appearance of a transmit authorization signal. The write/read memory is followed by a register. In addition to memory loca- tions for accepting a data signal word, this register additional- ly includes memory locations for auxiliary information to be attached to the individual data signal words. The auxiliary- information is derived from counter readings of the counter.
517754
Michels-Krohn Karl-Heinz
Untergruber Josef
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
Michels-Krohn Karl-Heinz
Untergruber Josef
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