FR2419543B1 - Dispositif pour detecter et corriger plusieurs pistes en erreur dans une unite de memoire - Google Patents

Dispositif pour detecter et corriger plusieurs pistes en erreur dans une unite de memoire

Info

Publication number
FR2419543B1
FR2419543B1 FR7902411A FR7902411A FR2419543B1 FR 2419543 B1 FR2419543 B1 FR 2419543B1 FR 7902411 A FR7902411 A FR 7902411A FR 7902411 A FR7902411 A FR 7902411A FR 2419543 B1 FR2419543 B1 FR 2419543B1
Authority
FR
France
Prior art keywords
error
detecting
memory unit
multiple tracks
correcting multiple
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
Application number
FR7902411A
Other languages
English (en)
French (fr)
Other versions
FR2419543A1 (fr
Inventor
Arvind M Patel
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from US05/884,463 external-priority patent/US4205324A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2419543A1 publication Critical patent/FR2419543A1/fr
Application granted granted Critical
Publication of FR2419543B1 publication Critical patent/FR2419543B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
FR7902411A 1978-03-07 1979-01-25 Dispositif pour detecter et corriger plusieurs pistes en erreur dans une unite de memoire Expired FR2419543B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/884,463 US4205324A (en) 1977-12-23 1978-03-07 Methods and means for simultaneously correcting several channels in error in a parallel multi channel data system using continuously modifiable syndromes and selective generation of internal channel pointers

Publications (2)

Publication Number Publication Date
FR2419543A1 FR2419543A1 (fr) 1979-10-05
FR2419543B1 true FR2419543B1 (fr) 1986-08-22

Family

ID=25384679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902411A Expired FR2419543B1 (fr) 1978-03-07 1979-01-25 Dispositif pour detecter et corriger plusieurs pistes en erreur dans une unite de memoire

Country Status (4)

Country Link
JP (1) JPS54118748A (enExample)
DE (1) DE2908373A1 (enExample)
FR (1) FR2419543B1 (enExample)
GB (1) GB2016178B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375100A (en) * 1979-10-24 1983-02-22 Matsushita Electric Industrial Company, Limited Method and apparatus for encoding low redundancy check words from source data
JPS57183609A (en) * 1981-05-07 1982-11-12 Victor Co Of Japan Ltd Magnetic recording system of digital signal
CA1212437A (en) * 1983-03-04 1986-10-07 Radyne Corporation Data transmission system with error correcting data encoding
GB2149156B (en) * 1983-11-04 1987-10-21 Gen Electric Co Plc A method of encoding and decoding
JPH07107781B2 (ja) * 1986-02-24 1995-11-15 松下電器産業株式会社 Ｒａｍのアドレス信号発生回路
US4908826A (en) * 1988-01-05 1990-03-13 Digital Equipment Corporation Stored data error correction system
JP2003317400A (ja) * 2003-02-14 2003-11-07 Fujitsu Ltd 磁気テープ装置の制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387261A (en) * 1965-02-05 1968-06-04 Honeywell Inc Circuit arrangement for detection and correction of errors occurring in the transmission of digital data
FR1580315A (enExample) * 1968-05-27 1969-09-05
BE757116A (fr) * 1969-10-29 1971-03-16 Honeywell Inc Procede et dispositif de codage de segments de codes de controle
US3958220A (en) * 1975-05-30 1976-05-18 International Business Machines Corporation Enhanced error correction
US4044328A (en) * 1976-06-22 1977-08-23 Bell & Howell Company Data coding and error correcting methods and apparatus
US4201976A (en) * 1977-12-23 1980-05-06 International Business Machines Corporation Plural channel error correcting methods and means using adaptive reallocation of redundant channels among groups of channels

Also Published As

Publication number Publication date
JPS54118748A (en) 1979-09-14
GB2016178B (en) 1982-05-06
FR2419543A1 (fr) 1979-10-05
JPS6343833B2 (enExample) 1988-09-01
GB2016178A (en) 1979-09-19
DE2908373A1 (de) 1979-09-20
DE2908373C2 (enExample) 1989-05-11

Similar Documents

Publication Publication Date Title
FR2627004B1 (fr) Dispositif a memoire ayant pour fonction de detecter et de corriger une erreur dans l'information stockee
FR2412885B1 (fr) Memoire munie d'un dispositif detecteur et correcteur d'erreurs a intervention selective
NO159560C (no) Fremgangsmaate og anordning for bestemmelse av spesielt karboninnholdet i en proeve.
JPS56169300A (en) Data processor system with refresh and error detecting and correcting device
FR2349918A1 (fr) Dispositif d'adressage de memoire
DE3587209D1 (de) Datenanzeigesystem mit moeglichkeit zum mischen von anzeigequellen und mit benutzung eines anzeigegeraetes vom speichertyp.
FR2351463A1 (fr) Cellule reproductrice d'images a effet de memoire
FR2509839B1 (fr) Appareil de detection de fuites dans un reservoir cryogenique
BE888112A (fr) Circuit de detection d'erreur pour une memoire
HK37080A (en) Data processor with address development checking
SE7702292L (sv) Sett och anordning for detektering av felaktigheter i svetsar
FR2553160B1 (fr) Dispositif comprenant un roulement a contact oblique
FR2598549B1 (fr) Circuit de redondance pour utilisation dans un dispositif de memoire semi-conducteur
FR2419543B1 (fr) Dispositif pour detecter et corriger plusieurs pistes en erreur dans une unite de memoire
FR2294486A1 (fr) Procede et dispositif pour la mise en memoire d'elements d'information binaires
OA07859A (fr) Dispositif de mesure pour profil sismique dans un puits de forage.
BE863627A (fr) Dispositif de transport des jetons dans une machine a jouer
FR2555821B1 (fr) Dispositif detecteur dans une tete chercheuse
BE829006A (fr) Procede et dispositif de determination de niveaux dans des reservoirs
BE896473A (fr) Dispositif de nettoyage de disques dans un tourne-disque,
OA05660A (fr) Procédé et dispositif pour l'obtention de mesures compensées dans un sondage.
FR2342541A1 (fr) Dispositif pour saisir et deplacer une cassette dans un magnetophone
JPS52132815A (en) Preeamplifying and detecting system for 22phase data recovery unit
GB1537809A (en) Devices for measuring the level of a liquid in a containe
GB1550790A (en) System for detecting the tracking error in optical readers and recorders

Legal Events

Date Code Title Description
ST Notification of lapse