Data transfer system
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United States of America Patent
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Apr 30, 1996
Grant Date -
N/A
app pub date -
Nov 1, 1994
filing date -
Apr 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data transfer system for transferring a transfer frame including a plurality of character codes representing a numeral of numerical data to be transferred, error detection data including a parity code for the character codes and a predetermined transfer control code to a controller on a receiver side from a controller on a sender side. In the controller on the sender side, a parity code obtained for the character codes is divided into a plurality of bit groups, a predetermined code which does not coincide with the predetermined transfer control code is affixed to each divided bit group to form divided parity data having a specific number of bits, and the transfer frame is constituted with these plural divided parity data as the error detection data. In the controller on the receiver side, the original parity code is restored from a plurality of divided parity data in the received transfer frame and is used.
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