JPS63187462A - 磁気ディスク装置の回転同期制御方式 - Google Patents

磁気ディスク装置の回転同期制御方式

Info

Publication number
JPS63187462A
JPS63187462A JP62019389A JP1938987A JPS63187462A JP S63187462 A JPS63187462 A JP S63187462A JP 62019389 A JP62019389 A JP 62019389A JP 1938987 A JP1938987 A JP 1938987A JP S63187462 A JPS63187462 A JP S63187462A
Authority
JP
Japan
Prior art keywords
index
servo
signal
magnetic disk
cylinder position
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.)
Granted
Application number
JP62019389A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0437500B2 (enExample
Inventor
Toshibumi Hatagami
幡上　俊文
Masato Iwatsubo
岩坪　正人
Toru Shinohara
徹 篠原
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62019389A priority Critical patent/JPS63187462A/ja
Priority to DE88100780T priority patent/DE3883259T2/de
Priority to EP88100780A priority patent/EP0276744B1/en
Priority to US07/150,220 priority patent/US4978902A/en
Publication of JPS63187462A publication Critical patent/JPS63187462A/ja
Publication of JPH0437500B2 publication Critical patent/JPH0437500B2/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
    • G11B5/5547—"Seek" control and circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Rotational Drive Of Disk (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP62019389A 1987-01-29 1987-01-29 磁気ディスク装置の回転同期制御方式 Granted JPS63187462A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62019389A JPS63187462A (ja) 1987-01-29 1987-01-29 磁気ディスク装置の回転同期制御方式
DE88100780T DE3883259T2 (de) 1987-01-29 1988-01-20 Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte.
EP88100780A EP0276744B1 (en) 1987-01-29 1988-01-20 Synchronous rotation control system of magnetically recording disk
US07/150,220 US4978902A (en) 1987-01-29 1988-01-29 Synchronous rotation control system of magnetically recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62019389A JPS63187462A (ja) 1987-01-29 1987-01-29 磁気ディスク装置の回転同期制御方式

Publications (2)

Publication Number Publication Date
JPS63187462A true JPS63187462A (ja) 1988-08-03
JPH0437500B2 JPH0437500B2 (enExample) 1992-06-19

Family

ID=11997928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62019389A Granted JPS63187462A (ja) 1987-01-29 1987-01-29 磁気ディスク装置の回転同期制御方式

Country Status (4)

Country Link
US (1) US4978902A (enExample)
EP (1) EP0276744B1 (enExample)
JP (1) JPS63187462A (enExample)
DE (1) DE3883259T2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497277A (en) * 1991-10-31 1996-03-05 Fujitsu Limited Spindle synchronization controller using advance calculation and offset values
US6288802B1 (en) 1997-09-26 2001-09-11 Nec Corporation Image scanner

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2836081B2 (ja) * 1989-01-12 1998-12-14 日本電気株式会社 ディスク制御回路
US5237466A (en) * 1989-11-02 1993-08-17 International Business Machines Corporation Method and apparatus for programmably controlling spindle synchronization and phase among disk drives in a storage subsystem
JPH04335255A (ja) * 1991-05-13 1992-11-24 Mitsubishi Electric Corp ディスク同期制御装置および同期制御方法
US5276569A (en) * 1991-06-26 1994-01-04 Digital Equipment Corporation Spindle controller with startup correction of disk position
JPH0520771A (ja) * 1991-07-11 1993-01-29 Mitsubishi Electric Corp アレイ形デイスク装置
US5438464A (en) * 1993-04-23 1995-08-01 Quantum Corporation Synchronization of multiple disk drive spindles
US5448428A (en) * 1993-04-23 1995-09-05 Quantum Corporation Phase locking a disk drive spindle to a reference signal
US5666238A (en) * 1993-12-28 1997-09-09 Kabushiki Kaisha Toshiba Data sector control apparatus and method for disk storage system
KR100225790B1 (ko) * 1994-03-18 1999-10-15 아끼구사 나오유끼 광편향장치, 광주사장치, 정보판독장치 및 입체표시장치
JP3836651B2 (ja) * 1999-12-24 2006-10-25 株式会社東芝 ディスク記憶装置
JP2001190054A (ja) * 1999-12-28 2001-07-10 Mitsumi Electric Co Ltd インデックス信号生成装置
JP5802857B2 (ja) * 2013-03-06 2015-11-04 富士フイルム株式会社 レンズ装置及び可動光学素子の位置検出方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138173U (enExample) * 1981-02-24 1982-08-28
JPS5819768A (ja) * 1981-07-28 1983-02-04 Nec Corp 回転形外部記憶装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893178A (en) * 1973-12-19 1975-07-01 Information Storage Systems Synchronization of multiple disc drives
US4125882A (en) * 1977-06-23 1978-11-14 Persci, Inc. Disc file system with improved seek control
US4268679A (en) * 1980-02-19 1981-05-19 Ppg Industries, Inc. 3-[5- or 3-Substituted-5- or 3-isoxazolyl]-1-allyl or alkyl-4-substituted-5-substituted or unsubstituted-2-imidazolidinones
JPS57164466A (en) * 1981-04-02 1982-10-09 Sony Corp Drum servo device of vtr
JPS5971168A (ja) * 1982-10-15 1984-04-21 Victor Co Of Japan Ltd 情報記録媒体円盤の回転制御装置
US4644426A (en) * 1983-04-27 1987-02-17 Tokyo Electric Co., Ltd. Floppy disk drive apparatus
CA1219367A (en) * 1983-05-25 1987-03-17 Tadashi Motoyama Video signal recording and reproducing apparatus
JPS6061951A (ja) * 1983-09-14 1985-04-09 Teac Co デイスク駆動装置
JPS60113680A (ja) * 1983-11-22 1985-06-20 Victor Co Of Japan Ltd モ−タの回転制御装置
JPS61236382A (ja) * 1985-04-09 1986-10-21 Citizen Watch Co Ltd 直流サ−ボモ−タの制御回路
NL8501189A (nl) * 1985-04-25 1986-11-17 Philips Nv Registratiedrager en inrichting voor het vervaardigen van zo'n registratiedrager.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138173U (enExample) * 1981-02-24 1982-08-28
JPS5819768A (ja) * 1981-07-28 1983-02-04 Nec Corp 回転形外部記憶装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497277A (en) * 1991-10-31 1996-03-05 Fujitsu Limited Spindle synchronization controller using advance calculation and offset values
US6288802B1 (en) 1997-09-26 2001-09-11 Nec Corporation Image scanner

Also Published As

Publication number Publication date
DE3883259T2 (de) 1993-12-09
EP0276744A2 (en) 1988-08-03
JPH0437500B2 (enExample) 1992-06-19
EP0276744A3 (en) 1991-01-30
EP0276744B1 (en) 1993-08-18
US4978902A (en) 1990-12-18
DE3883259D1 (de) 1993-09-23

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