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FR2473211B1 - Procede de localisation de defauts sur des pistes magnetiques de disques de memoires - Google Patents

Procede de localisation de defauts sur des pistes magnetiques de disques de memoires

Info

Publication number
FR2473211B1
FR2473211B1 FR8000017A FR8000017A FR2473211B1 FR 2473211 B1 FR2473211 B1 FR 2473211B1 FR 8000017 A FR8000017 A FR 8000017A FR 8000017 A FR8000017 A FR 8000017A FR 2473211 B1 FR2473211 B1 FR 2473211B1
Authority
FR
France
Prior art keywords
magnetic tracks
memory disks
locating defects
locating
defects
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
FR8000017A
Other languages
English (en)
Other versions
FR2473211A1 (fr
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.)
CII HONEYWELL BULL
Original Assignee
CII HONEYWELL BULL
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 HONEYWELL BULL filed Critical CII HONEYWELL BULL
Priority to FR8000017A priority Critical patent/FR2473211B1/fr
Publication of FR2473211A1 publication Critical patent/FR2473211A1/fr
Application granted granted Critical
Publication of FR2473211B1 publication Critical patent/FR2473211B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR8000017A 1980-01-02 1980-01-02 Procede de localisation de defauts sur des pistes magnetiques de disques de memoires Expired FR2473211B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8000017A FR2473211B1 (fr) 1980-01-02 1980-01-02 Procede de localisation de defauts sur des pistes magnetiques de disques de memoires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000017A FR2473211B1 (fr) 1980-01-02 1980-01-02 Procede de localisation de defauts sur des pistes magnetiques de disques de memoires

Publications (2)

Publication Number Publication Date
FR2473211A1 FR2473211A1 (fr) 1981-07-10
FR2473211B1 true FR2473211B1 (fr) 1985-10-11

Family

ID=9237161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000017A Expired FR2473211B1 (fr) 1980-01-02 1980-01-02 Procede de localisation de defauts sur des pistes magnetiques de disques de memoires

Country Status (1)

Country Link
FR (1) FR2473211B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0435853A3 (en) * 1981-10-05 1992-09-02 Digital Equipment Corporation Disk format for secondary storage system
JPS6050666A (ja) * 1983-08-29 1985-03-20 Hitachi Ltd 記録制御方式

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787815A (en) * 1971-06-24 1974-01-22 Honeywell Inf Systems Apparatus for the detection and correction of errors for a rotational storage device
US3771143A (en) * 1972-06-01 1973-11-06 Burroughs Corp Method and apparatus for providing alternate storage areas on a magnetic disk pack
JPS5325306A (en) * 1976-08-20 1978-03-09 Sanyo Electric Co Ltd Information transm ission system
FR2379112A1 (fr) * 1977-01-27 1978-08-25 Cii Honeywell Bull Mode d'ecriture d'informations concernant les defauts d'un support d'enregistrement magnetique
JPS5443008A (en) * 1977-09-12 1979-04-05 Hitachi Ltd Write-read system
JPS5448213A (en) * 1977-09-26 1979-04-16 Hitachi Ltd Track format system
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
US4214280A (en) * 1978-05-30 1980-07-22 Xerox Corporation Method and apparatus for recording data without recording on defective areas of a data recording medium

Also Published As

Publication number Publication date
FR2473211A1 (fr) 1981-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse