JPS5267307A - Magnetic disc device - Google Patents

Magnetic disc device

Info

Publication number
JPS5267307A
JPS5267307A JP14224275A JP14224275A JPS5267307A JP S5267307 A JPS5267307 A JP S5267307A JP 14224275 A JP14224275 A JP 14224275A JP 14224275 A JP14224275 A JP 14224275A JP S5267307 A JPS5267307 A JP S5267307A
Authority
JP
Japan
Prior art keywords
magnetic disc
disc device
speed
time
reproducing
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
JP14224275A
Other languages
Japanese (ja)
Inventor
Yoshiyuki Hirano
Zenji Tsutsumi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14224275A priority Critical patent/JPS5267307A/en
Publication of JPS5267307A publication Critical patent/JPS5267307A/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
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion

Abstract

PURPOSE:Discs are rotated for a fixed time at a speed suitable for loading at the start and are loaded during that time and when the head assumes a stable posture the speed is increased to that suitable for recording and reproducing.
JP14224275A 1975-12-01 1975-12-01 Magnetic disc device Pending JPS5267307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14224275A JPS5267307A (en) 1975-12-01 1975-12-01 Magnetic disc device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14224275A JPS5267307A (en) 1975-12-01 1975-12-01 Magnetic disc device

Publications (1)

Publication Number Publication Date
JPS5267307A true JPS5267307A (en) 1977-06-03

Family

ID=15310733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14224275A Pending JPS5267307A (en) 1975-12-01 1975-12-01 Magnetic disc device

Country Status (1)

Country Link
JP (1) JPS5267307A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736263A (en) * 1984-09-29 1988-04-05 Hitachi, Ltd. Method and apparatus for driving a disk
US7233456B2 (en) 2004-11-05 2007-06-19 Hitachi Global Storage Technologies Netherlands B.V. Method for eliminating the need for a dedicated landing zone at the outer diameter of a storage system's platter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736263A (en) * 1984-09-29 1988-04-05 Hitachi, Ltd. Method and apparatus for driving a disk
US7233456B2 (en) 2004-11-05 2007-06-19 Hitachi Global Storage Technologies Netherlands B.V. Method for eliminating the need for a dedicated landing zone at the outer diameter of a storage system's platter

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