Apparatus for encoding and decoding digital data to permit error

Details Apparatus for encoding and decoding digital data to permit error Apparatus for encoding and decoding digital data to permit error

1984-04-03

1986-07-08

Fleming, Michael R.

Excavating

371 39, G06F 1110

Patent

active

045997225

ABSTRACT:
Apparatus to permit the correction of a single bit error occurring in a sequence of data packets (e.g. bytes) comprising data bits. An encoder produces an error correction packet (e.g. byte), the value of which is determined algebraically from the value of bits in the data sequence. All data packets and the error correction packet have a predetermined parity. A decoder receives the sequence of data packets and error correction packet. If a single bit error in the data bits has occurred during transmission, one data packet is identified as having in it the bit in error. Algebraically, the data bit in error is identified and corrected.

REFERENCES:
patent: 4358848 (1982-11-01), Patel
patent: 4414666 (1983-11-01), Nelson
patent: 4447902 (1984-05-01), Wilkinson
patent: 4498178 (1985-02-01), Ohhashi
patent: 4507782 (1985-03-01), Kunimasa
patent: 4527269 (1985-07-01), Wood et al.
patent: 4536878 (1985-08-01), Rattlingourd

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