DE69113920T2 - Servosignalaufnahmemethode und Gerät dazu. - Google Patents

Servosignalaufnahmemethode und Gerät dazu.

Info

Publication number
DE69113920T2
DE69113920T2 DE69113920T DE69113920T DE69113920T2 DE 69113920 T2 DE69113920 T2 DE 69113920T2 DE 69113920 T DE69113920 T DE 69113920T DE 69113920 T DE69113920 T DE 69113920T DE 69113920 T2 DE69113920 T2 DE 69113920T2
Authority
DE
Germany
Prior art keywords
recording method
signal recording
servo signal
servo
signal
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 - Fee Related
Application number
DE69113920T
Other languages
English (en)
Other versions
DE69113920D1 (de
Inventor
Katsumi Ikeda
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69113920D1 publication Critical patent/DE69113920D1/de
Publication of DE69113920T2 publication Critical patent/DE69113920T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
DE69113920T 1990-08-14 1991-08-14 Servosignalaufnahmemethode und Gerät dazu. Expired - Fee Related DE69113920T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2214685A JP3024184B2 (ja) 1990-08-14 1990-08-14 サーボ信号記録方法

Publications (2)

Publication Number Publication Date
DE69113920D1 DE69113920D1 (de) 1995-11-23
DE69113920T2 true DE69113920T2 (de) 1996-04-11

Family

ID=16659892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69113920T Expired - Fee Related DE69113920T2 (de) 1990-08-14 1991-08-14 Servosignalaufnahmemethode und Gerät dazu.

Country Status (5)

Country Link
US (1) US5274511A (de)
EP (1) EP0471367B1 (de)
JP (1) JP3024184B2 (de)
KR (1) KR100240790B1 (de)
DE (1) DE69113920T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100194938B1 (ko) * 1996-09-02 1999-06-15 윤종용 자기저항 헤드의 트랙밀도 상승을 위한 오프트랙최적화 방법
KR100304626B1 (ko) * 1998-06-02 2001-09-29 윤종용 디스크 드라이브의 이물 제거장치
JP2000222844A (ja) * 1999-02-01 2000-08-11 Alps Electric Co Ltd ディスク装置におけるヘッド制御装置
WO2000051125A1 (en) 1999-02-22 2000-08-31 Seagate Technology Llc Compensation for repeatable runout error
US6421198B1 (en) 1999-04-27 2002-07-16 International Business Machines Corporation Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive
US6522493B1 (en) 1999-04-27 2003-02-18 International Business Machines Corporation Position error signal linearization using an auxiliary discontinuity removal routine
WO2000068939A1 (en) 1999-05-07 2000-11-16 Seagate Technology Llc Repeatable runout compensation using iterative learning control in a disc storage system
WO2001008139A1 (en) 1999-07-23 2001-02-01 Seagate Technology Llc Repeatable runout compensation using a learning algorithm with scheduled parameters
US6952320B1 (en) 1999-12-16 2005-10-04 Seagate Technology Llc Virtual tracks for repeatable runout compensation
US20030053244A1 (en) * 2001-09-14 2003-03-20 Lewis Robert A. Optically-based position measurement apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4488187A (en) * 1982-06-04 1984-12-11 Syquest Technology Servo control apparatus
US5027233A (en) * 1983-08-31 1991-06-25 Unisys Corp. Method for determining servo position data in a disk drive
US4590527A (en) * 1983-11-14 1986-05-20 Burroughs Corporation Positioning servomechanisms
JPS637571A (ja) * 1986-06-27 1988-01-13 Nec Corp 磁気デイスク装置
JPS6355787A (ja) * 1986-08-25 1988-03-10 Sony Corp 磁気デイスクシステムのヘツド位置制御装置
US4974109A (en) * 1986-08-27 1990-11-27 Sony Corporation Hard disk drive employing a reference track to compensate for tracking error
JPS63127416A (ja) * 1986-11-14 1988-05-31 Sony Corp 円板状記録媒体の記録再生装置
JP2642929B2 (ja) * 1986-12-19 1997-08-20 ソニー株式会社 位置センサの調整方法
JPS63266625A (ja) * 1987-04-22 1988-11-02 Mitsubishi Electric Corp 磁気記憶装置
US4835632A (en) * 1987-09-16 1989-05-30 International Business Machines Corporation Disk file digital servo control system with multiple sampling rate
JPH07114011B2 (ja) * 1988-09-20 1995-12-06 富士通株式会社 サーボ信号書込み方法
KR950008751B1 (ko) * 1988-11-30 1995-08-04 엘지전자주식회사 자기 디스크 기록 장치에서 트랙 중심을 찾는 장치 및 방법
JPH02148476A (ja) * 1988-11-30 1990-06-07 Toshiba Corp サーボ式磁気ディスク装置
US5162955A (en) * 1990-06-29 1992-11-10 Digital Equipment Corporation Apparatus for writing servo information onto a magnetic disk

Also Published As

Publication number Publication date
JPH0498662A (ja) 1992-03-31
EP0471367B1 (de) 1995-10-18
EP0471367A2 (de) 1992-02-19
KR100240790B1 (ko) 2000-02-01
JP3024184B2 (ja) 2000-03-21
DE69113920D1 (de) 1995-11-23
US5274511A (en) 1993-12-28
KR920005099A (ko) 1992-03-28
EP0471367A3 (en) 1992-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee