GB1378983A - Data handling systems - Google Patents

Data handling systems

Info

Publication number
GB1378983A
GB1378983A GB4616172A GB4616172A GB1378983A GB 1378983 A GB1378983 A GB 1378983A GB 4616172 A GB4616172 A GB 4616172A GB 4616172 A GB4616172 A GB 4616172A GB 1378983 A GB1378983 A GB 1378983A
Authority
GB
United Kingdom
Prior art keywords
cylinder
faces
blocks
module
recorded
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.)
Expired
Application number
GB4616172A
Other languages
English (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1378983A publication Critical patent/GB1378983A/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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
    • 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
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs

Landscapes

  • Engineering & Computer Science (AREA)
  • General 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)
GB4616172A 1971-11-17 1972-10-06 Data handling systems Expired GB1378983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19969271A 1971-11-17 1971-11-17

Publications (1)

Publication Number Publication Date
GB1378983A true GB1378983A (en) 1975-01-02

Family

ID=22738615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4616172A Expired GB1378983A (en) 1971-11-17 1972-10-06 Data handling systems

Country Status (6)

Country Link
JP (1) JPS4860545A (enrdf_load_stackoverflow)
CA (1) CA990412A (enrdf_load_stackoverflow)
DE (1) DE2254884A1 (enrdf_load_stackoverflow)
FR (1) FR2160384B1 (enrdf_load_stackoverflow)
GB (1) GB1378983A (enrdf_load_stackoverflow)
IT (1) IT967615B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713043A1 (de) * 1986-04-16 1987-11-19 Hitachi Ltd Verfahren zur steuerung einer plattenspeichereinheit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122409A (ja) * 1974-08-16 1976-02-23 Hitachi Ltd Jikidoramuyointaafueisu
JPS54146539A (en) * 1978-05-09 1979-11-15 Toshiba Corp Process method in response to division of magnetic disk face
JPS62217319A (ja) * 1986-03-18 1987-09-24 Nec Corp デイスク装置アクセス制御方式

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE626488A (enrdf_load_stackoverflow) * 1961-12-26
GB1169506A (en) * 1967-06-23 1969-11-05 Ncr Co Improvements in or relating to Magnetic Memory Systems.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713043A1 (de) * 1986-04-16 1987-11-19 Hitachi Ltd Verfahren zur steuerung einer plattenspeichereinheit

Also Published As

Publication number Publication date
IT967615B (it) 1974-03-11
JPS4860545A (enrdf_load_stackoverflow) 1973-08-24
FR2160384B1 (enrdf_load_stackoverflow) 1977-07-29
FR2160384A1 (enrdf_load_stackoverflow) 1973-06-29
DE2254884A1 (de) 1973-05-24
CA990412A (en) 1976-06-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee