GB1435368A - Data storage apparatus - Google Patents

Data storage apparatus

Info

Publication number
GB1435368A
GB1435368A GB4481673A GB4481673A GB1435368A GB 1435368 A GB1435368 A GB 1435368A GB 4481673 A GB4481673 A GB 4481673A GB 4481673 A GB4481673 A GB 4481673A GB 1435368 A GB1435368 A GB 1435368A
Authority
GB
United Kingdom
Prior art keywords
heads
data
sensed
region
information
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
GB4481673A
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
Priority to GB4481673A priority Critical patent/GB1435368A/en
Priority to IT2545874A priority patent/IT1017362B/it
Priority to FR7427491A priority patent/FR2257976B1/fr
Priority to JP10060774A priority patent/JPS524173B2/ja
Publication of GB1435368A publication Critical patent/GB1435368A/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB4481673A 1973-09-25 1973-09-25 Data storage apparatus Expired GB1435368A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB4481673A GB1435368A (en) 1973-09-25 1973-09-25 Data storage apparatus
IT2545874A IT1017362B (it) 1973-09-25 1974-07-23 Apparecchiatura per la memorizzazione di dati
FR7427491A FR2257976B1 (enrdf_load_stackoverflow) 1973-09-25 1974-08-02
JP10060774A JPS524173B2 (enrdf_load_stackoverflow) 1973-09-25 1974-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4481673A GB1435368A (en) 1973-09-25 1973-09-25 Data storage apparatus

Publications (1)

Publication Number Publication Date
GB1435368A true GB1435368A (en) 1976-05-12

Family

ID=10434865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4481673A Expired GB1435368A (en) 1973-09-25 1973-09-25 Data storage apparatus

Country Status (4)

Country Link
JP (1) JPS524173B2 (enrdf_load_stackoverflow)
FR (1) FR2257976B1 (enrdf_load_stackoverflow)
GB (1) GB1435368A (enrdf_load_stackoverflow)
IT (1) IT1017362B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190816A (en) * 1986-05-21 1987-11-25 British Broadcasting Corp Transmitting video timing signals
GB2199983A (en) * 1986-12-08 1988-07-20 Alps Electric Co Ltd Information recording disks

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315289A (en) * 1979-10-09 1982-02-09 International Business Machines Corporation Magnetic disk drive machine
JPS60154373A (ja) * 1984-01-23 1985-08-14 Teac Co 磁気デイスク装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190816A (en) * 1986-05-21 1987-11-25 British Broadcasting Corp Transmitting video timing signals
GB2190816B (en) * 1986-05-21 1989-12-20 British Broadcasting Corp Transmitting video timing signals
GB2199983A (en) * 1986-12-08 1988-07-20 Alps Electric Co Ltd Information recording disks
GB2199983B (en) * 1986-12-08 1991-04-10 Alps Electric Co Ltd Information recording disks

Also Published As

Publication number Publication date
FR2257976B1 (enrdf_load_stackoverflow) 1978-11-24
JPS524173B2 (enrdf_load_stackoverflow) 1977-02-02
IT1017362B (it) 1977-07-20
FR2257976A1 (enrdf_load_stackoverflow) 1975-08-08
JPS5060206A (enrdf_load_stackoverflow) 1975-05-24

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Legal Events

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