DE69517224T2 - Magnetische Aufzeichnungs-/Wiedergabevorrichtung und zugehöriges Steuerungsverfahren - Google Patents
Magnetische Aufzeichnungs-/Wiedergabevorrichtung und zugehöriges SteuerungsverfahrenInfo
- Publication number
- DE69517224T2 DE69517224T2 DE69517224T DE69517224T DE69517224T2 DE 69517224 T2 DE69517224 T2 DE 69517224T2 DE 69517224 T DE69517224 T DE 69517224T DE 69517224 T DE69517224 T DE 69517224T DE 69517224 T2 DE69517224 T2 DE 69517224T2
- Authority
- DE
- Germany
- Prior art keywords
- control method
- magnetic recording
- reproducing apparatus
- related control
- reproducing
- 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
-
- 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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
-
- 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
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
-
- 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
- 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
- G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
-
- 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
- G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59683—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks for magnetoresistive heads
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
- G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
- G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
- G11B2005/0018—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers by current biasing control or regulation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06048350A JP3134657B2 (ja) | 1994-03-18 | 1994-03-18 | 磁気ディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517224D1 DE69517224D1 (de) | 2000-07-06 |
DE69517224T2 true DE69517224T2 (de) | 2001-02-22 |
Family
ID=12800933
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69517224T Expired - Fee Related DE69517224T2 (de) | 1994-03-18 | 1995-03-15 | Magnetische Aufzeichnungs-/Wiedergabevorrichtung und zugehöriges Steuerungsverfahren |
DE69533207T Expired - Fee Related DE69533207T2 (de) | 1994-03-18 | 1995-03-15 | Magnetisches Aufzeichnungs-/Wiedergabegerät und Verfahren zu dessen Steuerung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69533207T Expired - Fee Related DE69533207T2 (de) | 1994-03-18 | 1995-03-15 | Magnetisches Aufzeichnungs-/Wiedergabegerät und Verfahren zu dessen Steuerung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5606470A (de) |
EP (2) | EP0978824B1 (de) |
JP (1) | JP3134657B2 (de) |
CN (1) | CN1069771C (de) |
DE (2) | DE69517224T2 (de) |
PH (1) | PH31527A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793550A (en) * | 1996-04-23 | 1998-08-11 | Read-Rite Corporation | Magnetoresistive head using sense currents of opposite polarities |
JP3117658B2 (ja) * | 1997-03-19 | 2000-12-18 | 富士通株式会社 | Mrヘッドを備えた磁気再生装置 |
US6385000B1 (en) * | 1998-08-21 | 2002-05-07 | International Business Machines Corporation | System and method for extending the operating life of a magnetoresistive transducer provided in a disk drive system |
US6455280B1 (en) | 1998-12-22 | 2002-09-24 | Genset S.A. | Methods and compositions for inhibiting neoplastic cell growth |
US6574061B1 (en) | 1999-08-27 | 2003-06-03 | Seagate Technology Llc | Method and apparatus for run-time temperature compensation of giant magnetoresistive head bias current |
JP2001067765A (ja) | 1999-08-31 | 2001-03-16 | Hitachi Ltd | 磁気ディスク装置及びその制御方法 |
JP4337317B2 (ja) * | 2002-09-06 | 2009-09-30 | ソニー株式会社 | 情報処理装置、およびプログラム |
JP2005157622A (ja) * | 2003-11-25 | 2005-06-16 | Hitachi Ltd | アイドルシークのためのディスクアレイ装置 |
JP2005346816A (ja) * | 2004-06-02 | 2005-12-15 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置及びその制御方法 |
JP2008243293A (ja) | 2007-03-27 | 2008-10-09 | Toshiba Corp | プローブメモリを備える記録再生装置 |
US7963023B2 (en) * | 2007-11-16 | 2011-06-21 | Oracle America, Inc. | Process for accurately machining a magnetic tape head |
US11386921B2 (en) | 2020-09-30 | 2022-07-12 | Seagate Technology Llc | Read head stress reduction |
US11341989B2 (en) * | 2020-09-30 | 2022-05-24 | Seagate Technology Llc | Read head stress reduction |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4589036A (en) * | 1984-12-03 | 1986-05-13 | International Business Machines Corporation | Apparatus and method for instrumented radial translation of a read/write transducer at start-up of a rotating disk file |
US4914644A (en) * | 1988-09-26 | 1990-04-03 | International Business Machines Corporation | Disk file digital servo control system with coil current modeling |
JPH02131348A (ja) * | 1988-11-08 | 1990-05-21 | Fujitsu Ltd | 光ディスク装置用ボイスコイルモータ |
US5345347A (en) * | 1992-02-18 | 1994-09-06 | Western Digital Corporation | Disk drive with reduced power modes |
JPH05226850A (ja) | 1992-02-18 | 1993-09-03 | Fujitsu Ltd | 携帯用機器の装丁体 |
US5408369A (en) * | 1992-04-23 | 1995-04-18 | Teac Corporation | Power saving system for rotating disk data storage apparatus |
JP2671780B2 (ja) * | 1993-01-07 | 1997-10-29 | 日本電気株式会社 | 記録再生分離型磁気ディスク装置用サーボ装置並びにディスク装置におけるアクチュエータ力定数推定方法及び補償方法 |
US5381279A (en) * | 1993-10-13 | 1995-01-10 | Maxtor Corporation | Disk drive system with adjustable spindle and actuator power to improve seek and access performance |
-
1994
- 1994-03-18 JP JP06048350A patent/JP3134657B2/ja not_active Expired - Lifetime
-
1995
- 1995-03-02 US US08/397,522 patent/US5606470A/en not_active Expired - Lifetime
- 1995-03-15 DE DE69517224T patent/DE69517224T2/de not_active Expired - Fee Related
- 1995-03-15 EP EP99120017A patent/EP0978824B1/de not_active Expired - Lifetime
- 1995-03-15 DE DE69533207T patent/DE69533207T2/de not_active Expired - Fee Related
- 1995-03-15 EP EP95103756A patent/EP0673032B1/de not_active Expired - Lifetime
- 1995-03-17 PH PH50147A patent/PH31527A/en unknown
- 1995-03-17 CN CN95103514A patent/CN1069771C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1069771C (zh) | 2001-08-15 |
EP0673032B1 (de) | 2000-05-31 |
JP3134657B2 (ja) | 2001-02-13 |
EP0673032A3 (de) | 1997-11-05 |
DE69517224D1 (de) | 2000-07-06 |
PH31527A (en) | 1998-11-03 |
DE69533207D1 (de) | 2004-07-29 |
EP0673032A2 (de) | 1995-09-20 |
CN1115069A (zh) | 1996-01-17 |
EP0978824B1 (de) | 2004-06-23 |
JPH07262539A (ja) | 1995-10-13 |
EP0978824A2 (de) | 2000-02-09 |
EP0978824A3 (de) | 2000-03-29 |
US5606470A (en) | 1997-02-25 |
DE69533207T2 (de) | 2005-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN,LTD., OD |
|
8339 | Ceased/non-payment of the annual fee |