FR2634961B1 - Dispositif de correction d'erreurs - Google Patents

Dispositif de correction d'erreurs

Info

Publication number
FR2634961B1
FR2634961B1 FR8910261A FR8910261A FR2634961B1 FR 2634961 B1 FR2634961 B1 FR 2634961B1 FR 8910261 A FR8910261 A FR 8910261A FR 8910261 A FR8910261 A FR 8910261A FR 2634961 B1 FR2634961 B1 FR 2634961B1
Authority
FR
France
Prior art keywords
error correction
mode
syndromes
digital information
correction device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR8910261A
Other languages
English (en)
Other versions
FR2634961A1 (fr
Inventor
Sako Yoichiro
Sako Shigeru Imura Et Takeshi Fukami Yoichiro
Imura Shigeru
Fukami Takeshi
Yoichiro Sako
Shigeru Imura
Takeshi Fukami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2634961A1 publication Critical patent/FR2634961A1/fr
Application granted granted Critical
Publication of FR2634961B1 publication Critical patent/FR2634961B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Le dispositif de correction d'erreurs de l'invention comprend un détecteur 5 des modes de correction d'erreurs d'informations numériques en entrée, un générateur 6 d'un premier jeu de syndromes S1 , P pour un premier mode de correction d'erreurs et d'un deuxième jeu de syndromes S1 , S3 , P pour un deuxième mode de correction d'erreurs, un générateur 6 de quasi-syndromes pour le deuxième mode de correction d'erreurs en ajoutant un syndrome supplémentaire S1 **3 aux syndromes S1 , P pour le premier mode de correction d'erreurs quand les informations numériques en entrée sont détectées dans le premier mode, et un circuit de correction d'erreurs 10, 11, 12, 13 selon les syndromes générés pour le deuxième mode de correction d'erreurs malgré les modes de correction d'erreurs des informations numériques en entrée.
FR8910261A 1988-07-30 1989-07-28 Dispositif de correction d'erreurs Expired - Fee Related FR2634961B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63191688A JP2881773B2 (ja) 1988-07-30 1988-07-30 誤り訂正装置

Publications (2)

Publication Number Publication Date
FR2634961A1 FR2634961A1 (fr) 1990-02-02
FR2634961B1 true FR2634961B1 (fr) 1994-09-30

Family

ID=16278808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8910261A Expired - Fee Related FR2634961B1 (fr) 1988-07-30 1989-07-28 Dispositif de correction d'erreurs

Country Status (6)

Country Link
US (1) US5031181A (fr)
JP (1) JP2881773B2 (fr)
KR (1) KR0148004B1 (fr)
DE (1) DE3923367A1 (fr)
FR (1) FR2634961B1 (fr)
GB (1) GB2222282B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125532A (ja) * 1988-11-04 1990-05-14 Sony Corp Ｂｃｈ符号の復号装置
US5504818A (en) * 1991-04-19 1996-04-02 Okano; Hirokazu Information processing system using error-correcting codes and cryptography
US5416786A (en) * 1991-06-28 1995-05-16 Industrial Technology Research Institute Error correction circuit for BCH codewords
JP3266932B2 (ja) * 1992-05-18 2002-03-18 キヤノン株式会社 再生装置及び方法
US5550849A (en) * 1993-05-20 1996-08-27 Ceram Incorporated Method and apparatus for detecting single or multiple bit errors instorage devices
JP4846384B2 (ja) * 2006-02-20 2011-12-28 株式会社東芝 半導体記憶装置
JP2007305267A (ja) * 2006-05-15 2007-11-22 Toshiba Corp 半導体記憶装置
JP4946249B2 (ja) * 2006-08-07 2012-06-06 富士通セミコンダクター株式会社 Ｅｃｃのコード長が変更可能な半導体メモリ装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078443A (en) * 1959-01-22 1963-02-19 Alan C Rose Compound error correction system
US3496549A (en) * 1966-04-20 1970-02-17 Bell Telephone Labor Inc Channel monitor for error control
US3506961A (en) * 1966-08-15 1970-04-14 American Computer Commun Adaptively coded data communications system
GB1389551A (en) * 1972-05-15 1975-04-03 Secr Defence Multiplex digital telecommunications apparatus having error- correcting facilities
US4107652A (en) * 1975-12-27 1978-08-15 Fujitsu Limited Error correcting and controlling system
US4397022A (en) * 1981-01-30 1983-08-02 Weng Ming I Weighted erasure codec for the (24, 12) extended Golay code
NL8104342A (nl) * 1981-09-21 1983-04-18 Philips Nv Rekenmachinesysteem, gebaseerd op een symboolkorrigerende kode met twee werkmodes.
JP2533076B2 (ja) * 1983-04-30 1996-09-11 ソニー株式会社 エラ−訂正のための符号化方法
JPH0681058B2 (ja) * 1983-09-26 1994-10-12 パイオニア株式会社 デ−タ送受信方式
US4719628A (en) * 1983-12-20 1988-01-12 Sony Corporation Method and apparatus for decoding error correction code
CA1235189A (fr) * 1985-01-14 1988-04-12 Haruhiko Akiyama Systeme de codage pour la correction des erreurs
JPS62120670A (ja) * 1985-11-20 1987-06-01 Sony Corp デ−タの誤り訂正方法
NL192151C (nl) * 1986-02-24 1997-02-04 Philips Electronics Nv Werkwijze en inrichting voor het opslaan en uitlezen van digitaal gekodeerde informatie naar keuze al dan niet beschermd door een foutenkorrigerende kode.
JPS63120528A (ja) * 1986-11-07 1988-05-24 Matsushita Graphic Commun Syst Inc 二重誤り訂正回路
US4890286A (en) 1987-12-11 1989-12-26 Sanyo Electric Co., Ltd. Method and apparatus for decoding error correcting code
US4914660A (en) * 1988-04-08 1990-04-03 Sanyo Electric Co., Ltd. Method and apparatus for decoding error correcting code
US4958349A (en) * 1988-11-01 1990-09-18 Ford Aerospace Corporation High data rate BCH decoder

Also Published As

Publication number Publication date
KR0148004B1 (ko) 1998-12-01
DE3923367A1 (de) 1990-02-01
KR900002576A (ko) 1990-02-28
GB8916318D0 (en) 1989-08-31
FR2634961A1 (fr) 1990-02-02
JP2881773B2 (ja) 1999-04-12
GB2222282B (en) 1992-04-15
US5031181A (en) 1991-07-09
JPH0241032A (ja) 1990-02-09
GB2222282A (en) 1990-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse