DE69025464D1 - Fehlerkorrektur in Datenspeichervorrichtungen - Google Patents
Fehlerkorrektur in DatenspeichervorrichtungenInfo
- Publication number
- DE69025464D1 DE69025464D1 DE69025464T DE69025464T DE69025464D1 DE 69025464 D1 DE69025464 D1 DE 69025464D1 DE 69025464 T DE69025464 T DE 69025464T DE 69025464 T DE69025464 T DE 69025464T DE 69025464 D1 DE69025464 D1 DE 69025464D1
- Authority
- DE
- Germany
- Prior art keywords
- data storage
- storage devices
- error correction
- correction
- error
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
-
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/455,197 US5068858A (en) | 1989-12-21 | 1989-12-21 | Error correction capability varied with track location on a magnetic or optical disk |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69025464D1 true DE69025464D1 (de) | 1996-03-28 |
DE69025464T2 DE69025464T2 (de) | 1996-09-19 |
Family
ID=23807795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69025464T Expired - Fee Related DE69025464T2 (de) | 1989-12-21 | 1990-12-14 | Fehlerkorrektur in Datenspeichervorrichtungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5068858A (de) |
EP (1) | EP0434315B1 (de) |
JP (1) | JPH0652621B2 (de) |
DE (1) | DE69025464T2 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2554743B2 (ja) * | 1989-05-19 | 1996-11-13 | シャープ株式会社 | 再生のための誤り訂正装置 |
GB9126431D0 (en) * | 1991-12-11 | 1992-02-12 | Signal Processors Ltd | Data transmission technique |
JP3266932B2 (ja) * | 1992-05-18 | 2002-03-18 | キヤノン株式会社 | 再生装置及び方法 |
ES2144000T3 (es) * | 1992-05-19 | 2000-06-01 | Koninkl Philips Electronics Nv | Sistema expandido de comunicacion con proteccion de error. |
US5379305A (en) * | 1992-07-20 | 1995-01-03 | Digital Equipment Corporation | Error correction system with selectable error correction capabilities |
US5444719A (en) * | 1993-01-26 | 1995-08-22 | International Business Machines Corporation | Adjustable error-correction composite Reed-Solomon encoder/syndrome generator |
US5379162A (en) * | 1993-08-19 | 1995-01-03 | International Business Machines Corporation | Customized data recovery procedures selected responsive to readback errors and transducer head and disk parameters |
US5487077A (en) * | 1994-05-23 | 1996-01-23 | International Business Machines Corporation | Location dependent variable error correction processing for multi-track recording media using variable length coding means |
US5602382A (en) * | 1994-10-31 | 1997-02-11 | Canada Post Corporation | Mail piece bar code having a data content identifier |
US6038679A (en) * | 1994-11-30 | 2000-03-14 | International Business Machines Corporation | Adaptive data recovery method and apparatus |
MY116522A (en) * | 1995-05-31 | 2004-02-28 | Sony Corp | Data recording/reproducing apparatus, method thereof, and data recording medium |
US5822336A (en) * | 1996-11-14 | 1998-10-13 | Quantum Corporation | Modified reed solomon code selection and encoding system |
DE69837123T2 (de) * | 1997-04-02 | 2007-11-29 | Matsushita Electric Industrial Co., Ltd., Kadoma | Hochgeschwindigkeits-Daten-Ein/Ausgangsgerät zur Übertragung der Daten in den internen Speicher, Behandlungsausführung auf den Daten und Ausgabe der Daten |
US5956351A (en) * | 1997-04-07 | 1999-09-21 | International Business Machines Corporation | Dual error correction code |
US6163871A (en) * | 1998-05-29 | 2000-12-19 | Adaptec, Inc. | RAM based error correction code encoder and syndrome generator with programmable interleaving degrees |
US6405340B1 (en) * | 1999-07-02 | 2002-06-11 | Ericsson Inc. | Flexible method of error protection in communications systems |
US20080282128A1 (en) * | 1999-08-04 | 2008-11-13 | Super Talent Electronics, Inc. | Method of Error Correction Code on Solid State Disk to Gain Data Security and Higher Performance |
US6732320B1 (en) | 2000-04-28 | 2004-05-04 | Promos Technologies Inc. | Method and system for improved error correction in optical media data processing |
US6725393B1 (en) * | 2000-11-06 | 2004-04-20 | Hewlett-Packard Development Company, L.P. | System, machine, and method for maintenance of mirrored datasets through surrogate writes during storage-area network transients |
US6651213B2 (en) | 2001-03-19 | 2003-11-18 | International Business Machines Corporation | Programmable multi-level track layout method and system for optimizing ECC redundancy in data storage devices |
US7290184B2 (en) * | 2001-08-23 | 2007-10-30 | Seagate Technology Llc | Emulation system for evaluating digital data channel configurations |
KR100536700B1 (ko) * | 2003-10-22 | 2005-12-14 | 주식회사 대우일렉트로닉스 | 다중 오류 정정 코드율을 갖는 홀로그래픽 롬 디스크 |
US7325157B2 (en) * | 2003-11-03 | 2008-01-29 | Samsung Electronics Co., Ltd | Magnetic memory devices having selective error encoding capability based on fault probabilities |
US7536625B2 (en) * | 2004-06-30 | 2009-05-19 | Seagate Technology Llc | Maintaining data integrity in a data storage system |
AU2006214443C1 (en) * | 2005-02-15 | 2011-11-24 | Alkermes Pharma Ireland Limited | Aerosol and injectable formulations of nanoparticulate benzodiazepine |
US7484137B2 (en) * | 2005-03-31 | 2009-01-27 | Hitachi Global Storage Technologies Netherlands B.V. | RAID system using regional error statistics for redundancy grouping |
US7539927B2 (en) * | 2005-04-14 | 2009-05-26 | Industrial Technology Research Institute | High speed hardware implementation of modified Reed-Solomon decoder |
US7440224B2 (en) * | 2006-01-23 | 2008-10-21 | Toshiba Corporation | Disk drive servo |
US7962827B2 (en) * | 2006-03-08 | 2011-06-14 | Marvell World Trade Ltd. | Systems and methods for achieving higher coding rate using parity interleaving |
US7721049B2 (en) | 2006-03-27 | 2010-05-18 | Kabuhsiki Kaisha Toshiba | Disk drive write method |
US20070279788A1 (en) * | 2006-05-31 | 2007-12-06 | Toshiba America Information Systems, Inc. | Method and apparatus to perform defect scanning |
US7453660B2 (en) * | 2006-05-31 | 2008-11-18 | Kabushiki Kaisha Toshiba | Shock feed forward adaptive filters |
US7457066B2 (en) * | 2006-05-31 | 2008-11-25 | Kabushiki Kiasha Toshiba | Method and apparatus for phase-shift null-burst-pattern |
US7468859B2 (en) * | 2006-05-31 | 2008-12-23 | Kabushiki Kaisha Toshiba | Voice coil motor effective resistance determination |
US20070279781A1 (en) * | 2006-05-31 | 2007-12-06 | Toshiba America Information Systems, Inc. | Channel training method and apparatus |
US20070279790A1 (en) * | 2006-05-31 | 2007-12-06 | Tanner Brian K | Adjustable output voltage regulator for disk drive |
US7436616B2 (en) * | 2006-05-31 | 2008-10-14 | Toshiba Corporation | Current pulsing for unloading |
US20070283207A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with bus timing improvements |
US7721178B2 (en) * | 2006-06-01 | 2010-05-18 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code |
US20070283223A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with all checkbits transferred last |
US20070283208A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with bus diagnostic features |
CN101814922B (zh) * | 2009-02-23 | 2013-06-19 | 国际商业机器公司 | 基于bch码的多位错纠错方法和装置以及存储系统 |
US8699162B1 (en) | 2012-11-18 | 2014-04-15 | HGST Netherlands B.V. | Shingled magnetic recording disk drive with multiple data zones containing different numbers of error-correction-code sectors |
JP2015011747A (ja) | 2013-06-28 | 2015-01-19 | 株式会社東芝 | ディスク記憶装置及び記憶領域の管理方法 |
US11175986B1 (en) | 2020-07-01 | 2021-11-16 | International Business Machines Corporation | Storage systems implementing offset erasure code stripes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3078443A (en) * | 1959-01-22 | 1963-02-19 | Alan C Rose | Compound error correction system |
US3668631A (en) * | 1969-02-13 | 1972-06-06 | Ibm | Error detection and correction system with statistically optimized data recovery |
US4047151A (en) * | 1974-12-24 | 1977-09-06 | Rydbeck Nils R C | Adaptive error correcting transmission system |
US4328580A (en) * | 1979-07-06 | 1982-05-04 | Soundstream, Inc. | Apparatus and an improved method for processing of digital information |
JPS6260174A (ja) * | 1985-09-10 | 1987-03-16 | Mitsubishi Electric Corp | デ−タ記録方法 |
JP2569478B2 (ja) * | 1986-02-19 | 1997-01-08 | ソニー株式会社 | デ−タ記録装置 |
JP2751201B2 (ja) * | 1988-04-19 | 1998-05-18 | ソニー株式会社 | データ伝送装置及び受信装置 |
FR2617352B1 (fr) * | 1987-06-26 | 1989-12-01 | Eduvision Sa | Procede de codage de donnees informatiques pour transmission aux normes video, videodisque mettant en oeuvre ledit procede et interface d'exploitation d'un tel videodisque |
US4847705A (en) * | 1987-07-07 | 1989-07-11 | Digital Equipment Corporation | Method and apparatus for encoding magnetic disk sector addresses |
US4833679A (en) * | 1987-08-31 | 1989-05-23 | International Business Machines Corporation | Method and apparatus with improved error correction and error information availability |
US4804959A (en) * | 1987-11-10 | 1989-02-14 | International Business Machines Corporation | Method and apparatus using multiple codes to increase storage capacity |
-
1989
- 1989-12-21 US US07/455,197 patent/US5068858A/en not_active Expired - Fee Related
-
1990
- 1990-11-09 JP JP2302823A patent/JPH0652621B2/ja not_active Expired - Lifetime
- 1990-12-14 DE DE69025464T patent/DE69025464T2/de not_active Expired - Fee Related
- 1990-12-14 EP EP90313658A patent/EP0434315B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03194775A (ja) | 1991-08-26 |
JPH0652621B2 (ja) | 1994-07-06 |
EP0434315A1 (de) | 1991-06-26 |
EP0434315B1 (de) | 1996-02-21 |
DE69025464T2 (de) | 1996-09-19 |
US5068858A (en) | 1991-11-26 |
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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 |