DK143580C - DEVICE FOR RECORDING AND READING INFORMATION ON A MOVABLE MAGNETIC RECORDING MEDIUM - Google Patents

DEVICE FOR RECORDING AND READING INFORMATION ON A MOVABLE MAGNETIC RECORDING MEDIUM

Info

Publication number
DK143580C
DK143580C DK312973A DK312973A DK143580C DK 143580 C DK143580 C DK 143580C DK 312973 A DK312973 A DK 312973A DK 312973 A DK312973 A DK 312973A DK 143580 C DK143580 C DK 143580C
Authority
DK
Denmark
Prior art keywords
reading information
movable magnetic
recording medium
magnetic recording
recording
Prior art date
Application number
DK312973A
Other languages
Danish (da)
Other versions
DK143580B (en
Inventor
D I Frush
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of DK143580B publication Critical patent/DK143580B/en
Application granted granted Critical
Publication of DK143580C publication Critical patent/DK143580C/en

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)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
DK312973A 1972-06-07 1973-06-06 DEVICE FOR RECORDING AND READING INFORMATION ON A MOVABLE MAGNETIC RECORDING MEDIUM DK143580C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26068472A 1972-06-07 1972-06-07
US26068472 1972-06-07

Publications (2)

Publication Number Publication Date
DK143580B DK143580B (en) 1981-09-07
DK143580C true DK143580C (en) 1982-01-25

Family

ID=22990179

Family Applications (1)

Application Number Title Priority Date Filing Date
DK312973A DK143580C (en) 1972-06-07 1973-06-06 DEVICE FOR RECORDING AND READING INFORMATION ON A MOVABLE MAGNETIC RECORDING MEDIUM

Country Status (13)

Country Link
JP (1) JPS5751162B2 (en)
AU (1) AU475711B2 (en)
BE (1) BE799689A (en)
BR (1) BR7304237D0 (en)
CA (1) CA1020666A (en)
CH (1) CH561448A5 (en)
DE (1) DE2328025C3 (en)
DK (1) DK143580C (en)
FR (1) FR2188235B1 (en)
GB (1) GB1404541A (en)
IT (1) IT998117B (en)
NL (1) NL181533C (en)
SE (1) SE393208B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073935B (en) * 1980-04-11 1983-12-21 Rca Corp Tape format to facilitate error concealment and apparatus for recording and/or replaying same
JPS6095654A (en) * 1983-10-28 1985-05-29 Sharp Corp Plural file managing system
JPS6297177A (en) * 1985-10-24 1987-05-06 Nec Corp Magnetic tape device
JPH0668886B2 (en) * 1986-11-10 1994-08-31 株式会社日立製作所 Defect avoidance control method for magnetic disk
DE3739161C2 (en) * 1987-11-19 2000-06-15 Grundig Ag Method for recording and reproducing information signals on and from a recording medium
JPH0719393B2 (en) * 1992-03-30 1995-03-06 株式会社日立製作所 Optical information processing method
EP0845780A4 (en) * 1995-08-18 1999-06-09 Matsushita Electric Ind Co Ltd Information recording/reproducing device and information recording/reproducing medium
KR20020041012A (en) * 1999-10-28 2002-05-31 추후 Sync byte padding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937368A (en) * 1956-12-12 1960-05-17 Bell Telephone Labor Inc Means for detecting marking and bypassing defective areas in a magnetic record medium
US3588855A (en) * 1968-10-14 1971-06-28 Ibm Data gap responding apparatus
JPS474054U (en) * 1971-01-28 1972-09-08

Also Published As

Publication number Publication date
DE2328025B2 (en) 1975-03-27
DK143580B (en) 1981-09-07
FR2188235B1 (en) 1976-11-12
FR2188235A1 (en) 1974-01-18
BR7304237D0 (en) 1974-07-25
DE2328025C3 (en) 1975-11-06
NL181533B (en) 1987-04-01
CA1020666A (en) 1977-11-08
AU475711B2 (en) 1976-09-02
JPS5751162B2 (en) 1982-10-30
NL181533C (en) 1987-09-01
NL7307989A (en) 1973-12-11
BE799689A (en) 1973-09-17
JPS4952612A (en) 1974-05-22
IT998117B (en) 1976-01-20
DE2328025A1 (en) 1973-12-20
SE393208B (en) 1977-05-02
GB1404541A (en) 1975-09-03
AU5620173A (en) 1974-11-28
CH561448A5 (en) 1975-04-30

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