DE69226571D1 - Servodatenrückgewinnungsschaltung für Plattenspeicher mit digitalen eingelassenen Servosektoren - Google Patents
Servodatenrückgewinnungsschaltung für Plattenspeicher mit digitalen eingelassenen ServosektorenInfo
- Publication number
- DE69226571D1 DE69226571D1 DE69226571T DE69226571T DE69226571D1 DE 69226571 D1 DE69226571 D1 DE 69226571D1 DE 69226571 T DE69226571 T DE 69226571T DE 69226571 T DE69226571 T DE 69226571T DE 69226571 D1 DE69226571 D1 DE 69226571D1
- Authority
- DE
- Germany
- Prior art keywords
- disk storage
- servo
- data recovery
- recovery circuit
- sectors
- 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
- G11B5/58—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
- G11B5/59633—Servo formatting
- G11B5/5965—Embedded servo format
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1258—Formatting, e.g. arrangement of data block or words on the record carriers on discs where blocks are arranged within multiple radial zones, e.g. Zone Bit Recording or Constant Density Recording discs, MCAV discs, MCLV discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1281—Servo information
- G11B2020/1282—Servo information in embedded servo fields
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1281—Servo information
- G11B2020/1284—Servo information in servo fields which split data fields
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71017291A | 1991-06-04 | 1991-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69226571D1 true DE69226571D1 (de) | 1998-09-17 |
DE69226571T2 DE69226571T2 (de) | 1999-04-22 |
Family
ID=24852915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992626571 Expired - Fee Related DE69226571T2 (de) | 1991-06-04 | 1992-06-02 | Servodatenrückgewinnungsschaltung für Plattenspeicher mit digitalen eingelassenen Servosektoren |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0517478B1 (de) |
JP (1) | JP2709996B2 (de) |
DE (1) | DE69226571T2 (de) |
IE (1) | IE921712A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6104558A (en) * | 1974-12-27 | 2000-08-15 | International Business Machines Corporation | System and method of encoding an index mark into a servo address |
JP3395235B2 (ja) * | 1993-02-09 | 2003-04-07 | ソニー株式会社 | 情報記録ディスク |
WO1995024035A1 (en) * | 1994-03-03 | 1995-09-08 | Cirrus Logic, Inc. | A table driven method and apparatus for automatic split field processing |
JP2920065B2 (ja) * | 1994-03-16 | 1999-07-19 | 株式会社東芝 | データ記録方法、記録装置、再生装置及び再生方法 |
US5596460A (en) * | 1994-12-27 | 1997-01-21 | International Business Machines Corporation | System and method for encoding a servo address |
US6172828B1 (en) | 1996-05-16 | 2001-01-09 | Hitachi, Ltd. | Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data |
SG97769A1 (en) * | 1997-11-06 | 2003-08-20 | Caleb Technology Corp | Servo sector architecture for a high-density, removable media-type disk |
JP2004095047A (ja) * | 2002-08-30 | 2004-03-25 | Toshiba Corp | ディスク記憶装置及び同装置におけるサーボアドレスマーク検出方法 |
CN111580378B (zh) * | 2020-04-27 | 2021-11-23 | 广东尚研电子科技有限公司 | 一种离线高精度时钟控制方法及时钟装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3363006D1 (en) * | 1982-02-24 | 1986-05-22 | Toshiba Kk | Method and system for detecting the position of and apparatus for positioning a read-write head in seek operation on a disk memory having data and servo sectors |
EP0262690B1 (de) * | 1982-05-10 | 1993-12-01 | Digital Equipment Corporation | Positioniersteuerungsverfahren mit sowohl kontinuierlichen als auch angefügten Informationen für einen Magnetplattenspeicher |
US4738869A (en) * | 1986-11-24 | 1988-04-19 | Pacific Bell | Photoselective electroless plating method employing UV-absorbing substrates |
-
1992
- 1992-06-02 EP EP19920305034 patent/EP0517478B1/de not_active Expired - Lifetime
- 1992-06-02 DE DE1992626571 patent/DE69226571T2/de not_active Expired - Fee Related
- 1992-06-03 JP JP4142972A patent/JP2709996B2/ja not_active Expired - Fee Related
- 1992-07-01 IE IE171292A patent/IE921712A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0517478A2 (de) | 1992-12-09 |
EP0517478B1 (de) | 1998-08-12 |
IE921712A1 (en) | 1992-12-16 |
JP2709996B2 (ja) | 1998-02-04 |
JPH06124554A (ja) | 1994-05-06 |
EP0517478A3 (en) | 1993-02-24 |
DE69226571T2 (de) | 1999-04-22 |
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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 |