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
- control system
- magnetic disk
- rotation control
- synchronous rotation
- synchronous
- 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
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
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 (de) |
EP (1) | EP0276744B1 (de) |
JP (1) | JPS63187462A (de) |
DE (1) | DE3883259T2 (de) |
Families Citing this family (14)
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 (16)
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 (de) * | 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 |
JPS5948872A (ja) * | 1982-09-14 | 1984-03-21 | Comput Basic Mach Technol Res Assoc | サ−ボ信号書込回路方式 |
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 |
JPS59218671A (ja) * | 1983-05-10 | 1984-12-08 | Fujitsu Ltd | 磁気デイスク装置制御方式 |
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 |
JPS60195773A (ja) * | 1984-03-15 | 1985-10-04 | Konishiroku Photo Ind Co Ltd | 磁気記録再生装置 |
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. |
-
1987
- 1987-01-29 JP JP62019389A patent/JPS63187462A/ja active Granted
-
1988
- 1988-01-20 EP EP88100780A patent/EP0276744B1/de not_active Expired - Lifetime
- 1988-01-20 DE DE88100780T patent/DE3883259T2/de not_active Expired - Fee Related
- 1988-01-29 US US07/150,220 patent/US4978902A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0276744A3 (de) | 1991-01-30 |
EP0276744A2 (de) | 1988-08-03 |
DE3883259D1 (de) | 1993-09-23 |
JPS63187462A (ja) | 1988-08-03 |
EP0276744B1 (de) | 1993-08-18 |
US4978902A (en) | 1990-12-18 |
JPH0437500B2 (de) | 1992-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68919903D1 (de) | Positionskontrollsystem für eine Speicherplatteneinheit. | |
DE3881629T2 (de) | Radiales magnetisches lagersystem. | |
DE3786184T2 (de) | Steueranordnungen für eine Vermittlungssystem. | |
DE3586770D1 (de) | Phasenregelschleife zur mfm-datenaufzeichnung. | |
DE3779071D1 (de) | Antriebssystem fuer magnetplatten. | |
NO883343D0 (no) | Automatisert selvbetjent oppgjoerssystem. | |
DE3679203D1 (de) | Betriebsdatenaufzeichnungssystem. | |
DE69020662D1 (de) | Magnetkopfpositionierungsregelungssystem. | |
NO873438D0 (no) | Fremgangsmaate for fremstilling av en magnetisk kjerne. | |
DE3883259T2 (de) | Synchrones Umdrehungsregelungssystem für eine magnetische Speicherplatte. | |
DE3853061D1 (de) | Datenwandler-Positionssteuerungssystem für Plattenspeicher-Antriebssystem. | |
DE3776928D1 (de) | Regelsystem zum spurzugriff fuer ein magnetplattensystem. | |
DE3771296D1 (de) | Servosynchronisierungsverfahren und -anordnung fuer eine magnetische platte. | |
DE69023982T2 (de) | Synchronisationsregelsystem für Servomotoren. | |
DE68918942D1 (de) | Futter für eine Magnetdisketten-Hülle. | |
DE68914812D1 (de) | Steuerungssystem für eine automatische Läppmaschine. | |
DE69020419T2 (de) | Aufzeichnungssystem für Informationen. | |
NO871489L (no) | Fremgangsmaate til fremstilling av en magnetisk kjerne. | |
DE68925035D1 (de) | Magnetische lageanordnung für eine platteneinheit. | |
DE3887871D1 (de) | Spindelservoeinheit für Plattenspieler. | |
DE3853484D1 (de) | Spurverfolgung-Kontrollsystem für magnetische Platteneinheit. | |
DE3764046D1 (de) | Informationsaufzeichnungsmethode. | |
DE68915713D1 (de) | Verlustarmes magnetisches Antriebssystem. | |
DE3784552T2 (de) | Magnetisches Plattengerät oder System. | |
GB2190531B (en) | Rotary voice coil actuator microhard disk drive system. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |