Information reproducing method and apparatus including compariso

Details Information reproducing method and apparatus including compariso Information reproducing method and apparatus including compariso

1988-02-18

1990-03-27

Canney, Vincent P.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, G11B 509

Patent

active

049126946

ABSTRACT:
In an information reproducing apparatus and method for reproducing information from an information recording medium containing plural digital information data units and a parity bit attached to each data unit, the plural data units and parity bits of the recording medium are read plural times, the parity of each of plural data units thus read is counted, the parity value thus counted is compared with the parity bit value read as above, and the read information with least number of parity errors is selected to be output, based on the result of the above comparison.

REFERENCES:
patent: 3046523 (1962-07-01), Batley
patent: 3122630 (1964-02-01), Malden
patent: 4689767 (1987-08-01), Stevenson et al.
Drexler Technology Corporation, "Drexon Laser Memory Card Quarterly Report No. 4," 10-1983, pp. 1-37.

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