BR9100033A - Metodo e meio de gravacao de dados com alta frequencia de amostras de servocontrole - Google Patents
Metodo e meio de gravacao de dados com alta frequencia de amostras de servocontroleInfo
- Publication number
- BR9100033A BR9100033A BR919100033A BR9100033A BR9100033A BR 9100033 A BR9100033 A BR 9100033A BR 919100033 A BR919100033 A BR 919100033A BR 9100033 A BR9100033 A BR 9100033A BR 9100033 A BR9100033 A BR 9100033A
- Authority
- BR
- Brazil
- Prior art keywords
- data
- micro servo
- servo
- data field
- micro
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
- G11B5/59633—Servo formatting
-
- 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
- G11B2020/1255—Fixed Block Architecture [FBA] 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
- 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
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/466,195 US5073834A (en) | 1990-01-17 | 1990-01-17 | Disk file or tape drive with high servo sample rate embedding additional servo sectors within individual data sectors |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9100033A true BR9100033A (pt) | 1991-10-22 |
Family
ID=23850875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR919100033A BR9100033A (pt) | 1990-01-17 | 1991-01-07 | Metodo e meio de gravacao de dados com alta frequencia de amostras de servocontrole |
Country Status (10)
Country | Link |
---|---|
US (1) | US5073834A (pt) |
EP (1) | EP0439278B1 (pt) |
JP (1) | JPH03232165A (pt) |
KR (1) | KR940006889B1 (pt) |
CN (1) | CN1022870C (pt) |
AU (1) | AU637439B2 (pt) |
BR (1) | BR9100033A (pt) |
CA (1) | CA2030872C (pt) |
DE (1) | DE69108418T2 (pt) |
PE (1) | PE28991A1 (pt) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210660A (en) | 1990-01-17 | 1993-05-11 | International Business Machines Corporation | Sectored servo independent of data architecture |
US5592348A (en) * | 1991-05-17 | 1997-01-07 | Adaptec, Inc. | Method and structure for locating and skipping over servo bursts on a magnetic disk |
JP3248194B2 (ja) * | 1991-06-24 | 2002-01-21 | ソニー株式会社 | 磁気ディスク記録再生装置 |
JP2625609B2 (ja) * | 1991-07-10 | 1997-07-02 | 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 | ディスク記憶装置 |
JPH07176168A (ja) | 1991-09-24 | 1995-07-14 | Kalok Corp | 大容量薄型ディスクドライブシステム、ディスクドライブアセンブリ及び組立方法 |
US5596738A (en) * | 1992-01-31 | 1997-01-21 | Teac Corporation | Peripheral device control system using changeable firmware in a single flash memory |
US5396376A (en) * | 1992-03-23 | 1995-03-07 | Conner Peripherals, Inc. | Multi-track embedded servo recording format and method |
US5255131A (en) * | 1992-08-13 | 1993-10-19 | International Business Machines Corporation | Asynchronous servo identification/address mark detection for PRML disk drive ssytem |
US5274509A (en) * | 1992-09-10 | 1993-12-28 | Digital Equipment Corporation | On-the-fly splitting of disk data blocks using timed sampling of a data position indicator |
DE69319526T2 (de) * | 1992-09-30 | 1998-12-17 | Quantum Corp., Milpitas, Calif. | Datenblocksequenz mit Identitätskode nach einem eingebetteten Servosektor in einem Plattenspeicher |
JPH06150565A (ja) * | 1992-10-30 | 1994-05-31 | Sony Corp | データ記録媒体および記録再生装置 |
US5422763A (en) * | 1992-11-13 | 1995-06-06 | Teac Corporation | Split field zone data recording |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
EP0631277A3 (en) * | 1993-06-22 | 1995-02-22 | Quantum Corp | Data sector format without identity code and data control unit for disk drive. |
US6025967A (en) * | 1993-08-24 | 2000-02-15 | Imation Corp. | Method of identifying magnetic tape characteristics |
JP2735791B2 (ja) * | 1993-08-26 | 1998-04-02 | 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(dasd)内の回転式アクチュエータ弧補償訂正のための方法及び装置 |
US5523903A (en) * | 1993-12-23 | 1996-06-04 | International Business Machines Corporation | Sector architecture for fixed block disk drive |
MY112118A (en) * | 1993-12-23 | 2001-04-30 | Hitachi Global Storage Tech Netherlands B V | System and method for skip-sector mapping in a data recording disk drive. |
US5452150A (en) * | 1994-06-27 | 1995-09-19 | Minnesota Mining And Manufacturing Company | Data cartridge with magnetic tape markers |
US5675448A (en) * | 1994-12-08 | 1997-10-07 | Imation Corp. | Track pitch error compensation system for data cartridge tape drives |
JP3048878B2 (ja) * | 1995-03-31 | 2000-06-05 | 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 | 情報記録媒体、ヘッド位置識別方法、および情報記録装置 |
US6002540A (en) * | 1995-05-18 | 1999-12-14 | International Business Machines Corporation | Method and apparatus for rotary actuator arc compensation correction in a direct access storage device |
KR0159441B1 (ko) * | 1995-08-28 | 1999-01-15 | 김광호 | 고용량 하드 디스크 드라이브 구현을 위한 디스크 기록매체와 그에 따른 서보제어방법 |
KR100195183B1 (ko) | 1995-12-19 | 1999-06-15 | 윤종용 | 데이타 필드가 확장된 하드 디스크 드라이브 |
KR0182979B1 (ko) * | 1996-06-05 | 1999-04-15 | 김광호 | 데이타영역 확장을 위한 서보정보 구성방법 및 그에 따른 서보제어방법 |
US6442730B1 (en) * | 1997-01-27 | 2002-08-27 | Lecroy Corporation | Recording medium failure analysis apparatus and method |
USRE40413E1 (en) * | 1998-11-06 | 2008-07-01 | Purchased Patent Management Llc | Method and apparatus for developing a dynamic servo signal from data |
US6381088B1 (en) | 1998-11-06 | 2002-04-30 | Acorn Technologies, Inc. | Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method |
US6545836B1 (en) * | 1999-11-12 | 2003-04-08 | Acorn Technologies, Inc. | Servo control apparatus and method using absolute value input signals |
US6594103B1 (en) | 1999-11-12 | 2003-07-15 | Acorn Technologies, Inc. | Read channel generating absolute value servo signal |
JP3787491B2 (ja) * | 2000-11-20 | 2006-06-21 | 株式会社日立グローバルストレージテクノロジーズ | 磁気ディスク装置 |
US7102839B2 (en) * | 2003-10-31 | 2006-09-05 | International Business Machines Corporation | Magnetic recording channel utilizing control fields for timing recovery, equalization, amplitude and amplitude asymmetry |
CN101290621B (zh) * | 2007-04-17 | 2011-06-15 | 上海申瑞电力科技股份有限公司 | 安全数字卡的存储检索方法 |
US8054573B2 (en) * | 2007-12-14 | 2011-11-08 | Lsi Corporation | Systems and methods for fly-height control using servo address mark data |
US8441904B2 (en) | 2008-12-01 | 2013-05-14 | Xyratex Technology Limited | Method and apparatus for measuring a signal |
US8139312B2 (en) | 2010-03-02 | 2012-03-20 | International Business Machines Corporation | Timing alternative intervals within a timing based servo band |
US9053728B1 (en) * | 2014-11-21 | 2015-06-09 | HGST Netherlands B.V. | Servo systems with PES enhanced integrated servo bursts |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424543A (en) * | 1981-11-16 | 1984-01-03 | Dma Systems Corporation | Method and apparatus for recording transducer positioning information |
JPH0666096B2 (ja) * | 1984-07-27 | 1994-08-24 | 株式会社日立製作所 | 磁気記録再生装置 |
GB2191627B (en) * | 1986-06-04 | 1990-07-04 | Alps Electric Co Ltd | Information recording disk driving devices and a method of controlling the head positioning of such devices |
-
1990
- 1990-01-17 US US07/466,195 patent/US5073834A/en not_active Expired - Lifetime
- 1990-11-26 CA CA002030872A patent/CA2030872C/en not_active Expired - Fee Related
- 1990-11-29 JP JP2333478A patent/JPH03232165A/ja active Granted
- 1990-12-17 CN CN90109845A patent/CN1022870C/zh not_active Expired - Lifetime
- 1990-12-17 AU AU68120/90A patent/AU637439B2/en not_active Ceased
- 1990-12-17 KR KR1019900020771A patent/KR940006889B1/ko not_active IP Right Cessation
-
1991
- 1991-01-07 BR BR919100033A patent/BR9100033A/pt unknown
- 1991-01-08 PE PE1991180083A patent/PE28991A1/es unknown
- 1991-01-17 EP EP91300354A patent/EP0439278B1/en not_active Expired - Lifetime
- 1991-01-17 DE DE69108418T patent/DE69108418T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69108418T2 (de) | 1995-10-12 |
EP0439278A3 (en) | 1992-09-02 |
CN1053507A (zh) | 1991-07-31 |
KR940006889B1 (ko) | 1994-07-28 |
DE69108418D1 (de) | 1995-05-04 |
CA2030872C (en) | 1995-05-16 |
JPH0576115B2 (pt) | 1993-10-21 |
KR910014913A (ko) | 1991-08-31 |
CN1022870C (zh) | 1993-11-24 |
AU637439B2 (en) | 1993-05-27 |
US5073834A (en) | 1991-12-17 |
EP0439278A2 (en) | 1991-07-31 |
EP0439278B1 (en) | 1995-03-29 |
PE28991A1 (es) | 1991-10-29 |
JPH03232165A (ja) | 1991-10-16 |
AU6812090A (en) | 1991-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KF | Request for proof of payment of annual fee | ||
FD5 | Application fees: dismissal - article 86 of industrial property law |