Decoders for Hamming encoded data

Details Decoders for Hamming encoded data Decoders for Hamming encoded data

1989-05-23

1992-05-05

Atkinson, Charles E.

Excavating

371 376, G06F 1110

Patent

active

051114623

ABSTRACT:
A decoder for Hamming encoded data in the form of a serial bit stream successive blocks of which are Hamming encoded comprises a serial-to-parallel converter for converting each of the blocks into a plurality of successive parallel bytes, a plurality of parity check circuits for carrying out successive partial parity checks on each of the bytes of a block as each byte is received, and a further plurality of parity check circuits for carrying out parity checks on at least part of successive ones of the bytes as they are received, a parity checker decoder being provided to which the outputs of the parity check circuits are applied for affording an output indicative of possible errors in the block.

REFERENCES:
patent: 3601800 (1971-08-01), Lee
patent: 4105999 (1978-08-01), Nakamura
patent: 4312068 (1982-01-01), Goss et al.
patent: 4450561 (1984-05-01), Gotze et al.
patent: 4454600 (1984-06-01), Le Gresley
patent: 4494234 (1985-01-01), Patel
patent: 4791641 (1988-12-01), Hillis
"World System Teletext and Data Broadcasting", Technical Specification, Dec. 1987, Published by The Department of Trade & Industry, London.

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