1995-07-24
1996-10-29
Envall, Jr., Roy N.
Excavating
371 376, G06F 1110
Patent
active
055703780
ABSTRACT:
In an error-correcting apparatus for correcting errors included in reproduced data which are stored in a RAM, a syndrome generation circuit, a polynomial calculation circuit for calculating an error position polynomial and an error value polynomial, and a position calculation circuit for calculating an error position are operated in parallel. A divider section of the error-correcting apparatus has a divider for performing the division of highest-degree coefficients of two polynomials, a multiplier for multiplying the coefficient of the polynomial set in the divisor side of the divider by the output of the divider, and an adder for adding the output of the multiplier and the coefficient of the polynomial set in the dividend side of the divider. The divider section executes the division over a Galois field while sequentially shifting the contents of registers which store the coefficient data of the dividend polynomial.
REFERENCES:
patent: 4597083 (1986-06-01), Stenerson
patent: 4747103 (1988-05-01), Iwamura et al.
patent: 5099483 (1992-05-01), Kadokawa
patent: 5504758 (1996-04-01), Inoue et al.
Code Theory, by Hideki Imai, pp. 115-118, 165-166, Electronic Data Transmission Society.
"An Experimental Home-Use Digital VCR with Three Dimensional DCT and Superimposed Error Correction Coding", IEEE Transactions on Consumer Electronics, vol. 37, No. 3, Aug. 1991.
Controller for Optical Disk Apparatus: Real-time Error Correction Conducting Hardware Processing, Nikkei Electronics, pp. 167-177 May 1, 1989.
Inoue Sadayuki
Ishimoto Junko
Kumano Makoto
Nakamura Takahiko
Brown Thomas E.
Envall Jr. Roy N.
Mitsubishi Denki & Kabushiki Kaisha
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