Enhanced error correction

Details Enhanced error correction Enhanced error correction

1975-05-30

1976-05-18

Atkinson, Charles E.

Communications: electrical

Digital comparator systems

G06F 1112

Patent

active

039582205

ABSTRACT:
Multiple symbol correction employing auxiliary pointers is enhanced by unique interaction of code structures either with ambiguous auxiliary pointers or data structures for precisely locating errors. For example, a code apparatus can correct two symbols in error only with two error location pointers; with three error location pointers, the code cannot correct the errors since error location is ambiguous. Once this has been determined, the features set forth in the present invention are employed to delimit the error burst such that the code apparatus may correct two symbols in error, even with ambiguous error location pointers. With no auxiliary pointers, methods and apparatus can create such auxiliary pointers in particular data structures and error patterns.

REFERENCES:
patent: 3697948 (1972-10-01), Bossen
patent: 3725859 (1973-04-01), Blair et al.
patent: 3745525 (1973-07-01), Hong et al.
patent: 3836957 (1974-09-01), Duke et al.
patent: 3851306 (1974-11-01), Patel
patent: 3868632 (1975-02-01), Hong et al.
patent: 3893071 (1975-07-01), Bossen et al.

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