DE3883259T2 - Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte. - Google Patents

Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte.

Info

Publication number
DE3883259T2
DE3883259T2 DE88100780T DE3883259T DE3883259T2 DE 3883259 T2 DE3883259 T2 DE 3883259T2 DE 88100780 T DE88100780 T DE 88100780T DE 3883259 T DE3883259 T DE 3883259T DE 3883259 T2 DE3883259 T2 DE 3883259T2
Authority
DE
Germany
Prior art keywords
index
cylinder
cylinders
head
respect
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
DE88100780T
Other languages
German (de)
English (en)
Other versions
DE3883259D1 (de
Inventor
Toshifumi Fujitsu Lim Hatagami
Masahito Fujitsu Limi Iwatsubo
Tooru Fujitsu Limite Shinohara
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
Application granted granted Critical
Publication of DE3883259D1 publication Critical patent/DE3883259D1/de
Publication of DE3883259T2 publication Critical patent/DE3883259T2/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
    • G11B5/5547—"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)
DE88100780T 1987-01-29 1988-01-20 Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte. Expired - Fee Related DE3883259T2 (de)

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
DE3883259D1 DE3883259D1 (de) 1993-09-23
DE3883259T2 true DE3883259T2 (de) 1993-12-09

Family

ID=11997928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88100780T Expired - Fee Related DE3883259T2 (de) 1987-01-29 1988-01-20 Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte.

Country Status (4)

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

Families Citing this family (14)

* 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
JPH0828037B2 (ja) * 1991-10-31 1996-03-21 富士通株式会社 スピンドルシンク制御方式
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
JP3112869B2 (ja) 1997-09-26 2000-11-27 米沢日本電気株式会社 中心位置検出機能を有するイメージスキャナ及びイメージスキャナの中心位置検出方法
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

Family Cites Families (13)

* 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
JPS633023Y2 (enExample) * 1981-02-24 1988-01-25
JPS57164466A (en) * 1981-04-02 1982-10-09 Sony Corp Drum servo device of vtr
JPS5819768A (ja) * 1981-07-28 1983-02-04 Nec Corp 回転形外部記憶装置
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.

Also Published As

Publication number Publication date
EP0276744A2 (en) 1988-08-03
JPH0437500B2 (enExample) 1992-06-19
JPS63187462A (ja) 1988-08-03
EP0276744A3 (en) 1991-01-30
EP0276744B1 (en) 1993-08-18
US4978902A (en) 1990-12-18
DE3883259D1 (de) 1993-09-23

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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