CN1091288C - 磁盘装置 - Google Patents
磁盘装置 Download PDFInfo
- Publication number
- CN1091288C CN1091288C CN95116240A CN95116240A CN1091288C CN 1091288 C CN1091288 C CN 1091288C CN 95116240 A CN95116240 A CN 95116240A CN 95116240 A CN95116240 A CN 95116240A CN 1091288 C CN1091288 C CN 1091288C
- Authority
- CN
- China
- Prior art keywords
- width
- head
- servo
- road
- servo pattern
- 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
Images
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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21558994A JPH0877538A (ja) | 1994-09-09 | 1994-09-09 | 磁気ディスク装置 |
JP215589/94 | 1994-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1142101A CN1142101A (zh) | 1997-02-05 |
CN1091288C true CN1091288C (zh) | 2002-09-18 |
Family
ID=16674940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95116240A Expired - Fee Related CN1091288C (zh) | 1994-09-09 | 1995-09-08 | 磁盘装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0701248B1 (zh) |
JP (1) | JPH0877538A (zh) |
CN (1) | CN1091288C (zh) |
DE (1) | DE69521851T2 (zh) |
SG (1) | SG38872A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0507907B1 (en) * | 1990-09-18 | 1999-01-13 | Rodime PLC | Digital servo control system for use in disk drives |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5325244A (en) * | 1991-02-28 | 1994-06-28 | Hitachi, Ltd. | Magnetic recording data storage system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62287407A (ja) * | 1986-06-05 | 1987-12-14 | Sony Corp | 磁気ヘツド装置 |
WO1989001685A1 (en) * | 1987-08-17 | 1989-02-23 | Siemens Aktiengesellschaft | Magnetic storage device with tracker system |
EP0494869B1 (en) * | 1989-07-27 | 1996-09-04 | Conner Peripherals, Inc. | Disk drive system using multiple embedded quadrature servo fields |
JPH0498661A (ja) | 1990-08-17 | 1992-03-31 | Mitsubishi Electric Corp | 磁気記憶装置 |
JP2635942B2 (ja) * | 1994-02-10 | 1997-07-30 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 直接アクセス記憶装置のサーボ位置決めの方法及び装置 |
-
1994
- 1994-09-09 JP JP21558994A patent/JPH0877538A/ja active Pending
-
1995
- 1995-08-29 DE DE1995621851 patent/DE69521851T2/de not_active Expired - Lifetime
- 1995-08-29 EP EP95113552A patent/EP0701248B1/en not_active Expired - Lifetime
- 1995-09-02 SG SG1995001277A patent/SG38872A1/en unknown
- 1995-09-08 CN CN95116240A patent/CN1091288C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5325244A (en) * | 1991-02-28 | 1994-06-28 | Hitachi, Ltd. | Magnetic recording data storage system |
Also Published As
Publication number | Publication date |
---|---|
DE69521851T2 (de) | 2004-05-27 |
DE69521851D1 (de) | 2001-08-30 |
JPH0877538A (ja) | 1996-03-22 |
CN1142101A (zh) | 1997-02-05 |
EP0701248A1 (en) | 1996-03-13 |
EP0701248B1 (en) | 2001-07-25 |
SG38872A1 (en) | 1997-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN LTD. Free format text: FORMER OWNER: HITACHI CO., LTD. Effective date: 20031224 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20031224 Address after: Kanagawa, Japan Patentee after: Hitachi Global Scinece Technology Jappan Co., Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020918 Termination date: 20120908 |