JPS53102719A - Auxiliary track switching system for magnetic disc - Google Patents

Auxiliary track switching system for magnetic disc

Info

Publication number
JPS53102719A
JPS53102719A JP1796977A JP1796977A JPS53102719A JP S53102719 A JPS53102719 A JP S53102719A JP 1796977 A JP1796977 A JP 1796977A JP 1796977 A JP1796977 A JP 1796977A JP S53102719 A JPS53102719 A JP S53102719A
Authority
JP
Japan
Prior art keywords
auxiliary track
switching system
magnetic disc
track switching
track
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
JP1796977A
Other languages
Japanese (ja)
Other versions
JPS599084B2 (en
Inventor
Norio Kubo
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP1796977A priority Critical patent/JPS599084B2/en
Publication of JPS53102719A publication Critical patent/JPS53102719A/en
Publication of JPS599084B2 publication Critical patent/JPS599084B2/en
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
    • G11B20/1883—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To avoid giving burden to the external computer and others, by writing the address to be written into the incapable track to the corresponding auxiliary track and finding out the auxiliary track based on the auxiliary track address when the incapable track is detected through an access.
JP1796977A 1977-02-21 1977-02-21 Spare track switching device for magnetic disks Expired JPS599084B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1796977A JPS599084B2 (en) 1977-02-21 1977-02-21 Spare track switching device for magnetic disks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1796977A JPS599084B2 (en) 1977-02-21 1977-02-21 Spare track switching device for magnetic disks

Publications (2)

Publication Number Publication Date
JPS53102719A true JPS53102719A (en) 1978-09-07
JPS599084B2 JPS599084B2 (en) 1984-02-29

Family

ID=11958550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1796977A Expired JPS599084B2 (en) 1977-02-21 1977-02-21 Spare track switching device for magnetic disks

Country Status (1)

Country Link
JP (1) JPS599084B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176581A (en) * 1981-04-20 1982-10-29 Hitachi Ltd Control mechanism for magnetic storage device
JPS58188307A (en) * 1982-04-27 1983-11-02 Matsushita Electric Ind Co Ltd Recorder and reproducer
DE3509907A1 (en) * 1984-03-19 1985-10-03 Olympus Optical Co., Ltd., Tokio/Tokyo DEVICE FOR STORING AND RECOVERING INFORMATION
JPS62212972A (en) * 1986-03-13 1987-09-18 Matsushita Graphic Commun Syst Inc Alternating recording and reproducing method for recording and reproducing media
JPS63103476A (en) * 1986-10-20 1988-05-09 Matsushita Graphic Commun Syst Inc Alternate recording and reproducing method
JPS644975A (en) * 1987-06-29 1989-01-10 Sanyo Electric Co Magnetic disk controller
JPH04229318A (en) * 1990-05-16 1992-08-18 Internatl Business Mach Corp <Ibm> Method and apparatus for performing critical- disk access

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02149769U (en) * 1989-05-18 1990-12-21

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176581A (en) * 1981-04-20 1982-10-29 Hitachi Ltd Control mechanism for magnetic storage device
JPH0245271B2 (en) * 1981-04-20 1990-10-08 Hitachi Ltd
JPS58188307A (en) * 1982-04-27 1983-11-02 Matsushita Electric Ind Co Ltd Recorder and reproducer
DE3509907A1 (en) * 1984-03-19 1985-10-03 Olympus Optical Co., Ltd., Tokio/Tokyo DEVICE FOR STORING AND RECOVERING INFORMATION
JPS62212972A (en) * 1986-03-13 1987-09-18 Matsushita Graphic Commun Syst Inc Alternating recording and reproducing method for recording and reproducing media
JPS63103476A (en) * 1986-10-20 1988-05-09 Matsushita Graphic Commun Syst Inc Alternate recording and reproducing method
JPS644975A (en) * 1987-06-29 1989-01-10 Sanyo Electric Co Magnetic disk controller
JPH04229318A (en) * 1990-05-16 1992-08-18 Internatl Business Mach Corp <Ibm> Method and apparatus for performing critical- disk access

Also Published As

Publication number Publication date
JPS599084B2 (en) 1984-02-29

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