GB9006826D0 - Data storage disk apparatus and method for storing data - Google Patents

Data storage disk apparatus and method for storing data

Info

Publication number
GB9006826D0
GB9006826D0 GB909006826A GB9006826A GB9006826D0 GB 9006826 D0 GB9006826 D0 GB 9006826D0 GB 909006826 A GB909006826 A GB 909006826A GB 9006826 A GB9006826 A GB 9006826A GB 9006826 D0 GB9006826 D0 GB 9006826D0
Authority
GB
United Kingdom
Prior art keywords
disk apparatus
storage disk
data
data storage
storing data
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.)
Withdrawn
Application number
GB909006826A
Other versions
GB2232807A (en
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.)
Tokico Ltd
Original Assignee
Tokico 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 Tokico Ltd filed Critical Tokico Ltd
Publication of GB9006826D0 publication Critical patent/GB9006826D0/en
Publication of GB2232807A publication Critical patent/GB2232807A/en
Withdrawn legal-status Critical Current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
    • 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
    • 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)
GB9006826A 1989-05-19 1990-03-27 Apparatus for reading data from and writing data on a data storage device Withdrawn GB2232807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12610189A JPH02306473A (en) 1989-05-19 1989-05-19 Magnetic disk device

Publications (2)

Publication Number Publication Date
GB9006826D0 true GB9006826D0 (en) 1990-05-23
GB2232807A GB2232807A (en) 1990-12-19

Family

ID=14926641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9006826A Withdrawn GB2232807A (en) 1989-05-19 1990-03-27 Apparatus for reading data from and writing data on a data storage device

Country Status (3)

Country Link
JP (1) JPH02306473A (en)
DE (1) DE4011052A1 (en)
GB (1) GB2232807A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222653A (en) * 1961-09-18 1965-12-07 Ibm Memory system for using a memory despite the presence of defective bits therein
US3588830A (en) * 1968-01-17 1971-06-28 Ibm System for using a memory having irremediable bad bits
US3771143A (en) * 1972-06-01 1973-11-06 Burroughs Corp Method and apparatus for providing alternate storage areas on a magnetic disk pack
US3800294A (en) * 1973-06-13 1974-03-26 Ibm System for improving the reliability of systems using dirty memories
US4498146A (en) * 1982-07-30 1985-02-05 At&T Bell Laboratories Management of defects in storage media
US4608687A (en) * 1983-09-13 1986-08-26 International Business Machines Corporation Bit steering apparatus and method for correcting errors in stored data, storing the address of the corrected data and using the address to maintain a correct data condition
US4746998A (en) * 1985-11-20 1988-05-24 Seagate Technology, Inc. Method for mapping around defective sectors in a disc drive
JP2650891B2 (en) * 1986-04-16 1997-09-10 株式会社日立製作所 Method of controlling rotary storage device

Also Published As

Publication number Publication date
JPH02306473A (en) 1990-12-19
GB2232807A (en) 1990-12-19
DE4011052A1 (en) 1990-11-22

Similar Documents

Publication Publication Date Title
GB9111524D0 (en) Data storage method and apparatus
AU7477091A (en) Data storage apparatus and method
EP0420179A3 (en) Data recording/reproducing method and device
GB2238900B (en) Optical information storage methods and apparatus
KR930005437B1 (en) Machine executing method and method for processing data and storage medium
EP0452854A3 (en) Method and apparatus for data recording
EP0465246A3 (en) Information storage medium and apparatus for reproducing information therefrom
AU8286591A (en) Method and apparatus for storing text data in subcode packs
EP0124097A3 (en) Method for storing and retrieving data in a data base
EP0466398A3 (en) Information storage medium and apparatus for reproducing information therefrom
EP0479626A3 (en) Disk cartridge storage and retrieval apparatus
HK1012099A1 (en) Data storage and data retrieval apparatus and method
EP0473301A3 (en) Method and apparatus for determining sector status in a disk data storage device
GB8908624D0 (en) Cassette for sequential access recording medium and apparatus for use therewith
EP0461649A3 (en) Recording and reproducing method and apparatus
SG43740A1 (en) Method and apparatus for data storage
GB8800353D0 (en) Data storage method
EP0331417A3 (en) Method and apparatus for reproducing picture information
EP0316084A3 (en) Data storage apparatus
EP0129061A3 (en) Apparatus and method for randomly accessing sequentially stored data
EP0338858A3 (en) Optical disk apparatus with shortened access time and rotated method
GB9016833D0 (en) Disk storage apparatus
EP0577368A3 (en) Data recording and/or reproducing method and apparatus
EP0465247A3 (en) Information storage medium and apparatus for reproducing information therefrom
EP0432976A3 (en) Magnetooptic data storage apparatus and magnetooptic disk

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)