Data transmission error control apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 5, 1996
Grant Date -
N/A
app pub date -
Jun 22, 1993
filing date -
Jun 15, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A main CPU in a data transmitting section applies a packet number recorded in a packet number memory to a block data when transmitting the latter, and increments and updates the packet number upon completion of the transmission. A sub-CPU in a data receiving section determines whether the packet number applied to the block data received is the updated number or not, in order to determine whether the data is a re-transmission of previous data or a transmission of new data. If the block data received is a re-transmission of previous data, the data received previously is discarded. If the block data received is new data, the data received previously is processed.
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