Correcting errors in binary data

Details Correcting errors in binary data Correcting errors in binary data

1984-06-15

1986-08-19

Fleming, Michael R.

Excavating

371 38, G06F 1110

Patent

active

046073671

ABSTRACT:
A method of correcting errors in binary data which may represent a digital television signal, comprises assembling the data into a plurality of first blocks, each first block comprising a first plurality of, say sixty, data words and a second plurality of, say six, check words and further assembling the first blocks into arrays of first blocks and deriving first and second check blocks for each array of the first blocks. Each check word is derived in dependence on all the data words in the first block and each other check word in the first block. One check word may be derived by modulo-2 addition and the remaining check words may be derived by respective primitive polynomial generators. The first check block is derived by modulo-2 addition and the second check block is derived by a primitive polynomial generator.

REFERENCES:
patent: 3418630 (1968-12-01), Van Duuren
patent: 4371963 (1983-02-01), Edwards
patent: 4375100 (1983-02-01), Tsuji
patent: 4467373 (1984-08-01), Taylor
patent: 4498178 (1985-02-01), Ohhashi
patent: 4525838 (1985-06-01), Patel

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