JPS53133414A - Magnetic recording device - Google Patents

Magnetic recording device

Info

Publication number
JPS53133414A
JPS53133414A JP4895477A JP4895477A JPS53133414A JP S53133414 A JPS53133414 A JP S53133414A JP 4895477 A JP4895477 A JP 4895477A JP 4895477 A JP4895477 A JP 4895477A JP S53133414 A JPS53133414 A JP S53133414A
Authority
JP
Japan
Prior art keywords
magnetic recording
recording device
memory
transfering
slower
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.)
Pending
Application number
JP4895477A
Other languages
Japanese (ja)
Inventor
Susumu Kawakami
Masaki Shinohara
Masanori Okada
Wakatake Matsuda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4895477A priority Critical patent/JPS53133414A/en
Publication of JPS53133414A publication Critical patent/JPS53133414A/en
Pending 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 simplify the memory constitution by transfering the information which is written into the faulty position of the magnetic disc to the memory which is slower than the high-speed random access memory.
JP4895477A 1977-04-26 1977-04-26 Magnetic recording device Pending JPS53133414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4895477A JPS53133414A (en) 1977-04-26 1977-04-26 Magnetic recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4895477A JPS53133414A (en) 1977-04-26 1977-04-26 Magnetic recording device

Publications (1)

Publication Number Publication Date
JPS53133414A true JPS53133414A (en) 1978-11-21

Family

ID=12817659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4895477A Pending JPS53133414A (en) 1977-04-26 1977-04-26 Magnetic recording device

Country Status (1)

Country Link
JP (1) JPS53133414A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62219264A (en) * 1985-11-20 1987-09-26 シーゲイト　テクノロジィ　インターナショナル Mapping detouring defective sector with disc drive
JPH0334163A (en) * 1989-06-28 1991-02-14 Nec Corp Optical disk device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62219264A (en) * 1985-11-20 1987-09-26 シーゲイト　テクノロジィ　インターナショナル Mapping detouring defective sector with disc drive
JPH0334163A (en) * 1989-06-28 1991-02-14 Nec Corp Optical disk device

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