JPS6158912B2 - - Google Patents

Info

Publication number
JPS6158912B2
JPS6158912B2 JP53136655A JP13665578A JPS6158912B2 JP S6158912 B2 JPS6158912 B2 JP S6158912B2 JP 53136655 A JP53136655 A JP 53136655A JP 13665578 A JP13665578 A JP 13665578A JP S6158912 B2 JPS6158912 B2 JP S6158912B2
Authority
JP
Japan
Prior art keywords
speed
magnetic head
data
track
actuator
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
JP53136655A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5564662A (en
Inventor
Yasuyoshi Oda
Hiromi Hamaoka
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP13665578A priority Critical patent/JPS5564662A/ja
Priority to US06/090,264 priority patent/US4314291A/en
Publication of JPS5564662A publication Critical patent/JPS5564662A/ja
Publication of JPS6158912B2 publication Critical patent/JPS6158912B2/ja
Granted 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)
JP13665578A 1978-11-08 1978-11-08 Self-compensator for magnetic disk memory unit Granted JPS5564662A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13665578A JPS5564662A (en) 1978-11-08 1978-11-08 Self-compensator for magnetic disk memory unit
US06/090,264 US4314291A (en) 1978-11-08 1979-11-01 Self-compensating device for a magnetic disc apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13665578A JPS5564662A (en) 1978-11-08 1978-11-08 Self-compensator for magnetic disk memory unit

Publications (2)

Publication Number Publication Date
JPS5564662A JPS5564662A (en) 1980-05-15
JPS6158912B2 true JPS6158912B2 (2) 1986-12-13

Family

ID=15180397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13665578A Granted JPS5564662A (en) 1978-11-08 1978-11-08 Self-compensator for magnetic disk memory unit

Country Status (2)

Country Link
US (1) US4314291A (2)
JP (1) JPS5564662A (2)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445153A (en) * 1980-03-07 1984-04-24 Ricoh Company, Ltd. Method of correcting track misalignment of floppy disc and apparatus therefor
USRE32075E (en) * 1980-09-24 1986-01-28 Quantum Corporation Data transducer position control system for rotating disk data storage equipment
US4660106A (en) * 1980-09-24 1987-04-21 Quantum Corporation Data transducer position control system for rotating disk data storage equipment
JPS57103170A (en) * 1980-12-18 1982-06-26 Toshiba Corp Magnetic disk device
JPS57127968A (en) * 1981-01-28 1982-08-09 Hitachi Ltd Magnetic disc storage device
US4396961A (en) * 1981-06-08 1983-08-02 Prasad D K Guru Video recorder controller apparatus and method
JPS58194171A (ja) * 1982-05-04 1983-11-12 Comput Basic Mach Technol Res Assoc 磁気デイスク装置のヘツド駆動制御方式
JPS5917615A (ja) * 1982-07-20 1984-01-28 Toyota Motor Corp デジタルサ−ボ装置
US4638230A (en) * 1982-09-15 1987-01-20 Ampex Corporation Bang-bang controlled velocity command generator
US4516177A (en) * 1982-09-27 1985-05-07 Quantum Corporation Rotating rigid disk data storage device
US4581664A (en) * 1983-09-21 1986-04-08 Memorex Corporation Disk accessing circuitry
US4591933A (en) * 1983-11-28 1986-05-27 Computer Memories, Incorporated Disk drive head positioner with optimized seek operation
US4609954A (en) * 1984-03-02 1986-09-02 Eastman Kodak Company Tracking servo for a disk player with a dc motor
JPS61204715A (ja) * 1985-03-07 1986-09-10 Mitsubishi Electric Corp サ−ボ増幅器
US4882671A (en) * 1985-06-05 1989-11-21 Plus Development Corporation Microprocessor controlled rigid disk file subsystem
US4819153A (en) * 1985-06-05 1989-04-04 Plus Development Corporation Microprocessor controlled rigid disk file subsystem
US4669004A (en) * 1986-02-27 1987-05-26 Quantum Corporation High capacity disk file with embedded sector servo
US4697127A (en) * 1986-06-09 1987-09-29 International Business Machines Corporation Adaptive control technique for a dynamic system
US4943907A (en) * 1987-05-08 1990-07-24 Colorado Memory Systems, Inc. Speed controller for recording and playback apparatus
US4878136A (en) * 1988-09-14 1989-10-31 Miniscribe Corporation Track crossing detector
US5132855A (en) * 1989-11-28 1992-07-21 Seagate Technology, Inc. Adaptive velocity profile selection based on torque constant measurement
US5189571A (en) * 1990-04-30 1993-02-23 Seagate Technology, Inc. Adaptive settle time minimization for a hard disk drive
KR950001610B1 (ko) * 1990-06-29 1995-02-27 가부시기가이샤 도시바 자기헤드 이동속도 제어장치
AU8739091A (en) * 1990-09-18 1992-04-15 Thomas James Frederick Digital servo control system for use in disk drives
US5475545A (en) * 1991-03-28 1995-12-12 Seagate Technology, Inc. Method for reducing noise during seeks in a hard disk drive
US5305160A (en) * 1991-07-31 1994-04-19 Seagate Technology, Inc. Compensating for variations in torque capability of voice coil motors
US5305447A (en) * 1991-07-31 1994-04-19 Seagate Technology, Inc. Multi-task operating system for a disc drive
JP3829994B2 (ja) * 1995-01-06 2006-10-04 富士通株式会社 ファイル装置の開発装置及び開発システム
US6169382B1 (en) 1998-07-02 2001-01-02 Seagate Technology Llc Adapting seek velocity profile to destination track location
JP2002526877A (ja) * 1998-09-25 2002-08-20 シーゲイト テクノロジー エルエルシー 磁束反転検出によるアクチュエータの範囲の拡張

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699555A (en) * 1970-10-23 1972-10-17 Zerox Corp Apparatus for rapid action displacement control
GB1396834A (en) * 1973-01-31 1975-06-04 Ibm Data storage apparatus
GB1503971A (en) * 1975-05-15 1978-03-15 Ibm Positioning system for data storage apparatus
JPS5383716A (en) * 1976-12-29 1978-07-24 Fujitsu Ltd System for positioning magnetic device
US4096534A (en) * 1977-04-12 1978-06-20 International Business Machines Corporation Track accessing circuitry for a disk file with switchable filter
US4133011A (en) * 1977-12-23 1979-01-02 International Business Machines Corporation Sampled data positioning system employing a model of the physical system for time optimal control
JPS54119215A (en) * 1978-03-09 1979-09-17 Toshiba Corp Magnetic disc apparatus

Also Published As

Publication number Publication date
US4314291A (en) 1982-02-02
JPS5564662A (en) 1980-05-15

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