DE68922810T2 - Automatisches Servo-Verstärkungs-Kalibriersystem für einen Plattenspeicher. - Google Patents

Automatisches Servo-Verstärkungs-Kalibriersystem für einen Plattenspeicher.

Info

Publication number
DE68922810T2
DE68922810T2 DE68922810T DE68922810T DE68922810T2 DE 68922810 T2 DE68922810 T2 DE 68922810T2 DE 68922810 T DE68922810 T DE 68922810T DE 68922810 T DE68922810 T DE 68922810T DE 68922810 T2 DE68922810 T2 DE 68922810T2
Authority
DE
Germany
Prior art keywords
bursts
signal
center pattern
disk storage
calibration system
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
DE68922810T
Other languages
English (en)
Other versions
DE68922810D1 (de
Inventor
Charles R Watt
Frederick K Groll
John A Scaramuzzo
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.)
Quantum Corp
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Publication of DE68922810D1 publication Critical patent/DE68922810D1/de
Application granted granted Critical
Publication of DE68922810T2 publication Critical patent/DE68922810T2/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
    • 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"
DE68922810T 1988-09-27 1989-09-14 Automatisches Servo-Verstärkungs-Kalibriersystem für einen Plattenspeicher. Expired - Fee Related DE68922810T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/250,037 US4890172A (en) 1988-09-27 1988-09-27 Automatic servo gain calibration system for a disk drive

Publications (2)

Publication Number Publication Date
DE68922810D1 DE68922810D1 (de) 1995-06-29
DE68922810T2 true DE68922810T2 (de) 1996-02-15

Family

ID=22946047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922810T Expired - Fee Related DE68922810T2 (de) 1988-09-27 1989-09-14 Automatisches Servo-Verstärkungs-Kalibriersystem für einen Plattenspeicher.

Country Status (6)

Country Link
US (1) US4890172A (de)
EP (1) EP0361222B1 (de)
JP (1) JP2875288B2 (de)
AT (1) ATE123170T1 (de)
CA (1) CA1318975C (de)
DE (1) DE68922810T2 (de)

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US6441988B2 (en) 1998-10-07 2002-08-27 Samsung Electronics Co., Ltd. Method and apparatus for reducing acoustic noise in a hard disk drive
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US6381088B1 (en) 1998-11-06 2002-04-30 Acorn Technologies, Inc. Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
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DE19983933T1 (de) 1999-02-22 2002-01-24 Seagate Technology Kompensation für wiederholbare Auslauffehler
US6417994B1 (en) 1999-04-22 2002-07-09 Samsung Electronics, Co., Ltd. Swage plate with protruded walls to increase retention torque in hard disk applications
CN1357139A (zh) 1999-05-07 2002-07-03 西加特技术有限责任公司 盘存储系统中应用迭代学习控制法的可重复偏心补偿
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US6947252B2 (en) 2000-05-10 2005-09-20 Samsung Electronics Co., Ltd. Wave stringer for controlling acoustic noise and shock vibration in a storage device
US6982849B2 (en) * 2000-09-14 2006-01-03 Samsung Electronics Co., Ltd. Method and apparatus for providing positional information on a disk
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US6892213B2 (en) 2000-09-28 2005-05-10 Seagate Technology Llc Digital sine/cosine wave generator
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US6762902B2 (en) 2000-12-15 2004-07-13 Samsung Electronics Co., Ltd. Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6590738B2 (en) 2001-03-01 2003-07-08 Samsung Electronics Co., Ltd. Particle removal device in a hard disk drive
US6700731B2 (en) * 2001-05-31 2004-03-02 Samsung Electronics Co., Inc. In-situ linearization of magnetic read/write head transducer position error signal
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JP2016092935A (ja) * 2014-10-31 2016-05-23 ファナック株式会社 ゲイン自動調整支援装置
TWI805157B (zh) 2021-12-28 2023-06-11 財團法人工業技術研究院 伺服電機及其編碼器校正方法

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US4642541A (en) * 1983-10-20 1987-02-10 Memorex Corporation Track following servo for higher density disk files
US4786990A (en) * 1986-05-30 1988-11-22 Hewlett-Packard Company Servo gain compensation in a disc drive
US4697127A (en) * 1986-06-09 1987-09-29 International Business Machines Corporation Adaptive control technique for a dynamic system
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WO1988002913A1 (en) * 1986-10-14 1988-04-21 Maxtor Corporation Method and apparatus for controlling the position of a moveable head assembly

Also Published As

Publication number Publication date
EP0361222A3 (en) 1990-06-27
JPH0294187A (ja) 1990-04-04
ATE123170T1 (de) 1995-06-15
DE68922810D1 (de) 1995-06-29
US4890172A (en) 1989-12-26
JP2875288B2 (ja) 1999-03-31
CA1318975C (en) 1993-06-08
EP0361222A2 (de) 1990-04-04
EP0361222B1 (de) 1995-05-24

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: QUANTUM CORP., MILPITAS, CALIF., US

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee