DE68912168D1 - Kodierungs- und Abbildungsverfahren und Gerät für Sektoradressen einer magnetischen Platte. - Google Patents
Kodierungs- und Abbildungsverfahren und Gerät für Sektoradressen einer magnetischen Platte.Info
- Publication number
- DE68912168D1 DE68912168D1 DE89302589T DE68912168T DE68912168D1 DE 68912168 D1 DE68912168 D1 DE 68912168D1 DE 89302589 T DE89302589 T DE 89302589T DE 68912168 T DE68912168 T DE 68912168T DE 68912168 D1 DE68912168 D1 DE 68912168D1
- Authority
- DE
- Germany
- Prior art keywords
- address
- neighborhood
- bit
- sector
- segment
- 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 - Lifetime
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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/176,093 US4949200A (en) | 1988-03-31 | 1988-03-31 | Method and apparatus for encoding and mapping magnetic disk sector addresses |
Publications (1)
Publication Number | Publication Date |
---|---|
DE68912168D1 true DE68912168D1 (de) | 1994-02-24 |
Family
ID=22642950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89302589T Expired - Lifetime DE68912168D1 (de) | 1988-03-31 | 1989-03-16 | Kodierungs- und Abbildungsverfahren und Gerät für Sektoradressen einer magnetischen Platte. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4949200A (de) |
EP (1) | EP0335529B1 (de) |
JP (1) | JPH01307057A (de) |
DE (1) | DE68912168D1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271018A (en) * | 1990-04-27 | 1993-12-14 | Next, Inc. | Method and apparatus for media defect management and media addressing |
US5224106A (en) * | 1990-05-09 | 1993-06-29 | Digital Equipment Corporation | Multi-level error correction system |
DE69031947T2 (de) * | 1990-10-16 | 1998-07-16 | Koninkl Philips Electronics Nv | Datenverarbeitungssystem basierend auf einem (N,K)-Symbolkode und mit Symbolfehler-Korrigierbarkeit und mehrfacher Fehlerreparierbarkeit |
US5237552A (en) * | 1991-12-16 | 1993-08-17 | Advanced Micro Devices, Inc. | Sector mark detection in long burn pattern for optical data disks |
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 |
US5602857A (en) * | 1993-09-21 | 1997-02-11 | Cirrus Logic, Inc. | Error correction method and apparatus |
US5384671A (en) * | 1993-12-23 | 1995-01-24 | Quantum Corporation | PRML sampled data channel synchronous servo detector |
US5568627A (en) * | 1994-04-05 | 1996-10-22 | Quantum Corporation | Header verification in a disk drive using sector histories for improved format efficiency |
US5917439A (en) * | 1996-12-20 | 1999-06-29 | Mobile Storage Technology Inc. | System for high speed track accessing of disk drive assembly |
JP3165101B2 (ja) * | 1998-03-05 | 2001-05-14 | 日本電気アイシーマイコンシステム株式会社 | 多値式半導体メモリ装置およびその不良救済方法 |
US6226138B1 (en) | 1998-09-29 | 2001-05-01 | International Business Machines Corporation | Encoded TID with error detection and correction ability |
US6775081B2 (en) * | 2001-08-15 | 2004-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Servo format for disk drive data storage devices |
US6831808B2 (en) * | 2001-08-15 | 2004-12-14 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for determining track identity from abbreviated track identifying data in a disk drive data storage device |
EP1421699A2 (de) * | 2001-08-20 | 2004-05-26 | Koninklijke Philips Electronics N.V. | Verbesserte kodierung für informierte dekodern |
US7026965B1 (en) | 2003-01-31 | 2006-04-11 | Marvell International Ltd. | Separation enhanced Gray codes |
US6876316B1 (en) * | 2003-01-31 | 2005-04-05 | Marvell International Ltd. | Separation enhanced gray codes |
JP2004246967A (ja) * | 2003-02-13 | 2004-09-02 | Fuji Electric Holdings Co Ltd | マスタディスク及びその製造方法 |
US8117172B2 (en) * | 2008-05-29 | 2012-02-14 | Dell Products L.P. | Compact encoding methods, media and systems |
US7800853B1 (en) | 2008-12-03 | 2010-09-21 | Western Digital Technologies, Inc. | Correcting servo sectors in a disk drive |
US8619385B1 (en) | 2011-01-28 | 2013-12-31 | Western Digital Technologies, Inc. | Disk drive biasing sync pattern of an extended sync mark |
US8693123B1 (en) * | 2011-06-27 | 2014-04-08 | Western Digital Technologies, Inc. | Disk drive correcting high order gray code using track estimator and decoding low order track code separately |
US8917469B1 (en) | 2012-09-13 | 2014-12-23 | Western Digital Technologies, Inc. | Disk drive correcting an error in a detected gray code |
US11555659B2 (en) | 2020-12-18 | 2023-01-17 | Hamilton Sundstrand Corporation | Multi-scale heat exchanger core |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2346806A1 (fr) * | 1976-03-31 | 1977-10-28 | Honeywell Bull Soc Ind | Mode d'ecriture d'adresses sur un support d'enregist rement magnetique |
JPS57176581A (en) * | 1981-04-20 | 1982-10-29 | Hitachi Ltd | Control mechanism for magnetic storage device |
JPS58177537A (ja) * | 1982-04-08 | 1983-10-18 | Matsushita Electric Ind Co Ltd | 光学デイスク |
US4516164A (en) * | 1982-10-21 | 1985-05-07 | Stypher Corporation | Apparatus for decoding video address code signals |
JPS59188815A (ja) * | 1983-04-08 | 1984-10-26 | Matsushita Electric Ind Co Ltd | 情報記録再生装置 |
JPH07118160B2 (ja) * | 1983-06-18 | 1995-12-18 | ソニー株式会社 | ディジタル情報信号の記録方法 |
US4564945A (en) * | 1983-06-20 | 1986-01-14 | Reference Technology, Inc. | Error-correction code for digital data on video disc |
JPS60183669A (ja) * | 1984-03-02 | 1985-09-19 | Nec Corp | メモリ制御装置 |
GB2159020B (en) * | 1984-05-16 | 1987-11-18 | Sony Corp | Methods of and apparatus for use in decoding digital data |
JPS60254463A (ja) * | 1984-05-31 | 1985-12-16 | Sony Corp | デジタルデ−タの記録ないし再生方式 |
JPS6141241A (ja) * | 1984-08-02 | 1986-02-27 | Matsushita Electric Ind Co Ltd | Pcm音声伝送方法 |
JPS6218681A (ja) * | 1985-07-16 | 1987-01-27 | Sharp Corp | ビデオデイスクプレ−ヤ |
EP0248536B1 (de) * | 1986-05-31 | 1992-07-22 | Sony Corporation | Methoden und Gerät zum Suchen einer Zieladresse auf einem Aufzeichnungsmedium |
-
1988
- 1988-03-31 US US07/176,093 patent/US4949200A/en not_active Ceased
-
1989
- 1989-03-16 DE DE89302589T patent/DE68912168D1/de not_active Expired - Lifetime
- 1989-03-16 EP EP89302589A patent/EP0335529B1/de not_active Expired - Lifetime
- 1989-03-30 JP JP1080197A patent/JPH01307057A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0335529A2 (de) | 1989-10-04 |
US4949200A (en) | 1990-08-14 |
EP0335529A3 (de) | 1991-05-08 |
JPH01307057A (ja) | 1989-12-12 |
EP0335529B1 (de) | 1994-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |