JPS5395608A - Method of writing information on defects into magntic record medium - Google Patents

Method of writing information on defects into magntic record medium

Info

Publication number
JPS5395608A
JPS5395608A JP14944377A JP14944377A JPS5395608A JP S5395608 A JPS5395608 A JP S5395608A JP 14944377 A JP14944377 A JP 14944377A JP 14944377 A JP14944377 A JP 14944377A JP S5395608 A JPS5395608 A JP S5395608A
Authority
JP
Japan
Prior art keywords
magntic
defects
record medium
writing information
writing
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.)
Granted
Application number
JP14944377A
Other languages
English (en)
Other versions
JPS5953609B2 (ja
Inventor
Jieraaru Demokurato
Kuroodo Karudo
Jiyatsuku Doruu
Andore Owazeru
Original Assignee
Cii
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 Cii filed Critical Cii
Publication of JPS5395608A publication Critical patent/JPS5395608A/ja
Publication of JPS5953609B2 publication Critical patent/JPS5953609B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity
    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
JP52149443A 1977-01-27 1977-12-14 磁気記録媒体に欠陥に関する情報を書込む方法 Expired JPS5953609B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR000007702251 1977-01-27
FR7702251A FR2379112A1 (fr) 1977-01-27 1977-01-27 Mode d'ecriture d'informations concernant les defauts d'un support d'enregistrement magnetique

Publications (2)

Publication Number Publication Date
JPS5395608A true JPS5395608A (en) 1978-08-22
JPS5953609B2 JPS5953609B2 (ja) 1984-12-26

Family

ID=9185959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52149443A Expired JPS5953609B2 (ja) 1977-01-27 1977-12-14 磁気記録媒体に欠陥に関する情報を書込む方法

Country Status (6)

Country Link
US (1) US4152695A (ja)
JP (1) JPS5953609B2 (ja)
DE (1) DE2803611A1 (ja)
FR (1) FR2379112A1 (ja)
GB (1) GB1579967A (ja)
IT (1) IT1206372B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501646A (ja) * 1981-10-05 1983-09-29 デイジタル　イクイプメント　コ−ポレ−シヨン ２次記憶システムのためのデイスクフオ−マツト
JPS6120271A (ja) * 1984-07-05 1986-01-29 Matsushita Electric Ind Co Ltd 情報記録再生装置
JPS6363169A (ja) * 1986-09-03 1988-03-19 Matsushita Graphic Commun Syst Inc 交代記録方法
JPS6410464A (en) * 1987-07-02 1989-01-13 Fuji Electric Co Ltd Reformatting system for disk storage device

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417824A1 (fr) * 1978-02-17 1979-09-14 Cii Honeywell Bull Mode d'ecriture d'informations sur un support d'enregistrement magnetique
FR2426938A1 (fr) * 1978-05-26 1979-12-21 Cii Honeywell Bull Dispositif de detection de secteurs defectueux et d'allocation de secteurs de remplacement dans une memoire a disques
FR2426940A1 (fr) * 1978-05-26 1979-12-21 Cii Honeywell Bull Procede de controle de zones de reference d'un support d'informations et dispositif pour le mettre en oeuvre
FR2473211B1 (fr) * 1980-01-02 1985-10-11 Cii Honeywell Bull Procede de localisation de defauts sur des pistes magnetiques de disques de memoires
US4422110A (en) * 1981-08-25 1983-12-20 Hewlett-Packard Company Method and apparatus for multi-track data translation on a disc
US4420807A (en) * 1981-08-31 1983-12-13 International Business Machines Corporation Selectively holding data in a buffer for defective backing store tracks
EP0435852A3 (en) * 1981-10-05 1992-08-26 Digital Equipment Corporation Disk format for secondary storage system
EP0429435A3 (en) * 1981-10-05 1992-09-02 Digital Equipment Corporation Disk format for secondary storage system
JPS5860410A (ja) * 1981-10-06 1983-04-09 Mitsubishi Electric Corp 磁気デイスク制御方式
US4524444A (en) * 1982-01-12 1985-06-18 Discovision Associates Analyzing the signal transfer characteristics of a signal processing unit
JPS59165162A (ja) * 1983-03-11 1984-09-18 インタ−ナシヨナル　ビジネス　マシ−ンズ　コ−ポレ−シヨン ボリューム回復方法
GB2142765A (en) * 1983-07-04 1985-01-23 John William Hawkins Preventing unauthorised use of recorded information
US4725968A (en) * 1985-05-14 1988-02-16 Nicolet Instrument Corporation Disk drive testing method and apparatus
DE3704898A1 (de) * 1986-02-20 1987-08-27 Sharp Kk Diskettenaufzeichnungs-pruefverfahren
JPH02504083A (ja) * 1987-07-02 1990-11-22 エクサバイト・コーポレーシヨン データ・バツフアー管理のための方法と装置
JP2836929B2 (ja) * 1990-07-05 1998-12-14 株式会社日立製作所 回転型記憶装置およびその制御方法
US5564011A (en) * 1993-10-05 1996-10-08 International Business Machines Corporation System and method for maintaining file data access in case of dynamic critical sector failure
WO1997035309A1 (fr) 1996-03-18 1997-09-25 Matsushita Electric Industrial Co., Ltd. Procede pour remplacer un enregistrement defectueux sur un support d'enregistrement en forme de disque, et dispositif d'enregistrement et de reproduction comportant un support d'enregistrement en forme de disque
USRE38706E1 (en) 1996-03-18 2005-02-22 Matsushita Electric Industrial Co., Ltd. Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium
KR100223651B1 (ko) * 1996-10-30 1999-10-15 윤종용 제조공정 합격판정기 및 그를 이용한 제조공정방법
KR100296451B1 (ko) * 1998-09-21 2001-10-26 윤종용 개선된이득을가지는소오스팔로워회로및그것을이용한고체촬상장치의출력회로

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1312504A (en) * 1970-05-20 1973-04-04 Ibm Control unit for serial data storage apparatus
US3781826A (en) * 1971-11-15 1973-12-25 Ibm Monolithic memory utilizing defective storage cells
US3771143A (en) * 1972-06-01 1973-11-06 Burroughs Corp Method and apparatus for providing alternate storage areas on a magnetic disk pack
SE358755B (ja) * 1972-06-09 1973-08-06 Ericsson Telefon Ab L M
US4016547A (en) * 1976-01-22 1977-04-05 The United States Of America As Represented By The Secretary Of The Navy Mos shift register compensation system for defective tracks of drum storage system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501646A (ja) * 1981-10-05 1983-09-29 デイジタル　イクイプメント　コ−ポレ−シヨン ２次記憶システムのためのデイスクフオ−マツト
JPS6120271A (ja) * 1984-07-05 1986-01-29 Matsushita Electric Ind Co Ltd 情報記録再生装置
JPS6363169A (ja) * 1986-09-03 1988-03-19 Matsushita Graphic Commun Syst Inc 交代記録方法
JPS6410464A (en) * 1987-07-02 1989-01-13 Fuji Electric Co Ltd Reformatting system for disk storage device

Also Published As

Publication number Publication date
IT1206372B (it) 1989-04-21
DE2803611A1 (de) 1978-08-03
FR2379112B1 (ja) 1980-06-20
FR2379112A1 (fr) 1978-08-25
US4152695A (en) 1979-05-01
JPS5953609B2 (ja) 1984-12-26
GB1579967A (en) 1980-11-26

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