JPS53133416A - Magnetic recording device - Google Patents

Magnetic recording device

Info

Publication number
JPS53133416A
JPS53133416A JP4895677A JP4895677A JPS53133416A JP S53133416 A JPS53133416 A JP S53133416A JP 4895677 A JP4895677 A JP 4895677A JP 4895677 A JP4895677 A JP 4895677A JP S53133416 A JPS53133416 A JP S53133416A
Authority
JP
Japan
Prior art keywords
magnetic recording
recording device
disc
simplify
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.)
Pending
Application number
JP4895677A
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 JP4895677A priority Critical patent/JPS53133416A/en
Publication of JPS53133416A publication Critical patent/JPS53133416A/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 constitution by forming the magnetic disc into two layers and then writing the position information at the faulty part of the disc into one of the two layer.
JP4895677A 1977-04-26 1977-04-26 Magnetic recording device Pending JPS53133416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4895677A JPS53133416A (en) 1977-04-26 1977-04-26 Magnetic recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4895677A JPS53133416A (en) 1977-04-26 1977-04-26 Magnetic recording device

Publications (1)

Publication Number Publication Date
JPS53133416A true JPS53133416A (en) 1978-11-21

Family

ID=12817717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4895677A Pending JPS53133416A (en) 1977-04-26 1977-04-26 Magnetic recording device

Country Status (1)

Country Link
JP (1) JPS53133416A (en)

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