CN102282616B - 用于在存储介质上确定缺陷位置的方法和装置 - Google Patents
用于在存储介质上确定缺陷位置的方法和装置 Download PDFInfo
- Publication number
- CN102282616B CN102282616B CN201080004501.7A CN201080004501A CN102282616B CN 102282616 B CN102282616 B CN 102282616B CN 201080004501 A CN201080004501 A CN 201080004501A CN 102282616 B CN102282616 B CN 102282616B
- Authority
- CN
- China
- Prior art keywords
- defect
- counter
- controller
- track
- counting
- 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.)
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0948—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
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- 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
- G11B20/1883—Methods for assignment of alternate areas for defective areas
-
- 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
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14460209P | 2009-01-14 | 2009-01-14 | |
US61/144,602 | 2009-01-14 | ||
PCT/US2010/020518 WO2010083109A1 (en) | 2009-01-14 | 2010-01-08 | Method and apparatus for determining a location of a defect on a storage medium |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102282616A CN102282616A (zh) | 2011-12-14 |
CN102282616B true CN102282616B (zh) | 2015-04-22 |
Family
ID=41682362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080004501.7A Active CN102282616B (zh) | 2009-01-14 | 2010-01-08 | 用于在存储介质上确定缺陷位置的方法和装置 |
Country Status (6)
Country | Link |
---|---|
US (4) | US7995301B2 (zh) |
EP (1) | EP2377125B1 (zh) |
JP (1) | JP5725370B2 (zh) |
KR (1) | KR101608024B1 (zh) |
CN (1) | CN102282616B (zh) |
WO (1) | WO2010083109A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5269810B2 (ja) * | 2007-12-14 | 2013-08-21 | 株式会社東芝 | 制御装置 |
KR101608024B1 (ko) | 2009-01-14 | 2016-04-11 | 마벨 월드 트레이드 리미티드 | 저장 매체상에서 결함의 위치를 판정하기 위한 방법 및 장치 |
US8683277B1 (en) * | 2010-07-13 | 2014-03-25 | Marvell International Ltd. | Defect detection using pattern matching on detected data |
KR20120039985A (ko) * | 2010-10-18 | 2012-04-26 | 삼성전자주식회사 | 기록매체에 대한 리드 또는 라이트 처리 방법, 파라미터 조정 방법, 이를 적용한 저장 장치, 컴퓨터 시스템 및 저장매체 |
US8493681B1 (en) | 2010-11-23 | 2013-07-23 | Western Digital Technologies, Inc. | Disk drive generating map of margin rectangles around defects |
US8964320B1 (en) | 2010-12-09 | 2015-02-24 | Western Digital Technologies, Inc. | Disk drive defect scanning by writing consecutive data tracks and skipping tracks when reading the data tracks |
MX2014008819A (es) * | 2012-01-20 | 2015-06-05 | Py Inst Llc Dr | Dispositivo con cierre co-moldeado, valvula de una via, camara de almacenamiento de volumen variable y caracteristica anti-chorro y metodo relacionado. |
US8619529B1 (en) * | 2012-03-22 | 2013-12-31 | Western Digital Technologies, Inc. | Methods and devices for enhanced adaptive margining based on channel threshold measure |
US8917468B1 (en) * | 2013-06-06 | 2014-12-23 | Lsi Corporation | Systems and methods for media defect detection with pattern qualification |
US9368152B1 (en) | 2014-11-25 | 2016-06-14 | Seagate Technology Llc | Flexible virtual defect padding |
KR102427638B1 (ko) * | 2018-01-10 | 2022-08-01 | 삼성전자주식회사 | 비휘발성 메모리 장치 및 이의 읽기 방법 |
JP2019164869A (ja) * | 2018-03-20 | 2019-09-26 | 株式会社東芝 | 磁気ディスク装置及びリード処理方法 |
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US7351925B2 (en) * | 2000-10-02 | 2008-04-01 | Apple Inc. | Method and apparatus for detecting free fall |
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JPH05189764A (ja) * | 1992-01-10 | 1993-07-30 | Kyocera Corp | 光ディスク装置 |
JP2699798B2 (ja) * | 1993-02-15 | 1998-01-19 | ヤマハ株式会社 | 光ディスク装置 |
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JP2853650B2 (ja) * | 1996-04-19 | 1999-02-03 | 日本電気株式会社 | 信号処理装置 |
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JPH11120559A (ja) * | 1997-10-08 | 1999-04-30 | Sony Corp | 光情報記録媒体、光情報記録方法及び光情報記録装置 |
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JP4491114B2 (ja) * | 2000-06-23 | 2010-06-30 | 株式会社日立グローバルストレージテクノロジーズ | 落下感知センサ及びこれを用いた情報処理装置 |
JP2002042354A (ja) | 2000-07-24 | 2002-02-08 | Matsushita Electric Ind Co Ltd | 光ディスク装置用サーボ回路 |
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US20020091965A1 (en) * | 2000-12-22 | 2002-07-11 | Mark Moshayedi | System and method for early detection of impending failure of a data storage system |
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KR20050040818A (ko) * | 2002-08-23 | 2005-05-03 | 소니 가부시끼 가이샤 | 레이저 출력 설정 방법 및 광 기록 장치 |
US6980384B1 (en) * | 2002-11-15 | 2005-12-27 | Iomega Corporation | Extended position error signal for analog servo disk drive |
US7237178B1 (en) * | 2003-02-04 | 2007-06-26 | Marvell International Ltd. | Marking unreliable symbols in a hard disk drive read back signal |
JP2006073172A (ja) * | 2004-08-04 | 2006-03-16 | Victor Co Of Japan Ltd | 再生装置、再生方法及び記録再生装置 |
JP2006221733A (ja) * | 2005-02-10 | 2006-08-24 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置及びその制御方法 |
US7733595B2 (en) * | 2006-01-06 | 2010-06-08 | Lucas Andrew A | Hard disk drive with external sensor interface, system for use thereof and method |
US7538963B2 (en) * | 2006-03-27 | 2009-05-26 | Hitachi Global Storage Technologies Netherlands B.V. | System, method, and apparatus for monitoring stray magnetic fields and protecting disk drives therefrom |
JP4193880B2 (ja) * | 2006-06-26 | 2008-12-10 | ヤマハ株式会社 | 光ディスク描画方法 |
JP4745172B2 (ja) * | 2006-08-29 | 2011-08-10 | 東芝ストレージデバイス株式会社 | 制御装置および記憶装置 |
JP4547370B2 (ja) * | 2006-12-28 | 2010-09-22 | 株式会社日立製作所 | 光ディスク装置 |
US7971124B2 (en) * | 2007-06-01 | 2011-06-28 | International Business Machines Corporation | Apparatus and method for distinguishing single bit errors in memory modules |
JP4970184B2 (ja) * | 2007-07-30 | 2012-07-04 | 株式会社東芝 | 記憶装置、制御方法及び制御装置 |
JP4785148B2 (ja) * | 2007-07-30 | 2011-10-05 | 東芝ストレージデバイス株式会社 | 記憶装置、制御方法及び記憶装置の制御装置 |
JP2009123289A (ja) * | 2007-11-15 | 2009-06-04 | Hitachi Ltd | オフセット補償器及びそれを用いた光ディスクドライブ |
US20090183037A1 (en) * | 2008-01-16 | 2009-07-16 | Oki Electric Industry Co., Ltd. | Statistical processing apparatus capable of reducing storage space for storing statistical occurrence frequency data and a processing method therefor |
US8379342B2 (en) * | 2008-09-16 | 2013-02-19 | HGST Netherlands B.V. | Magnetic recording disk drive with rotational vibration compensation having adaptive optimization of vibration sensor gains |
KR101608024B1 (ko) | 2009-01-14 | 2016-04-11 | 마벨 월드 트레이드 리미티드 | 저장 매체상에서 결함의 위치를 판정하기 위한 방법 및 장치 |
JP2011008889A (ja) * | 2009-06-29 | 2011-01-13 | J&K Car Electronics Corp | 光ディスク再生方法 |
-
2010
- 2010-01-08 KR KR1020117015186A patent/KR101608024B1/ko active IP Right Grant
- 2010-01-08 JP JP2011545464A patent/JP5725370B2/ja active Active
- 2010-01-08 CN CN201080004501.7A patent/CN102282616B/zh active Active
- 2010-01-08 EP EP10700900.3A patent/EP2377125B1/en active Active
- 2010-01-08 WO PCT/US2010/020518 patent/WO2010083109A1/en active Application Filing
- 2010-01-08 US US12/684,659 patent/US7995301B2/en active Active
-
2011
- 2011-07-22 US US13/189,111 patent/US8305703B2/en not_active Expired - Fee Related
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2012
- 2012-11-05 US US13/669,218 patent/US8599666B2/en not_active Expired - Fee Related
-
2013
- 2013-12-02 US US14/094,710 patent/US8902722B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7351925B2 (en) * | 2000-10-02 | 2008-04-01 | Apple Inc. | Method and apparatus for detecting free fall |
Also Published As
Publication number | Publication date |
---|---|
EP2377125B1 (en) | 2018-03-07 |
KR20110112811A (ko) | 2011-10-13 |
KR101608024B1 (ko) | 2016-04-11 |
US20140086031A1 (en) | 2014-03-27 |
CN102282616A (zh) | 2011-12-14 |
JP5725370B2 (ja) | 2015-05-27 |
US8305703B2 (en) | 2012-11-06 |
US8902722B2 (en) | 2014-12-02 |
US7995301B2 (en) | 2011-08-09 |
JP2012515409A (ja) | 2012-07-05 |
US20110280114A1 (en) | 2011-11-17 |
US8599666B2 (en) | 2013-12-03 |
EP2377125A1 (en) | 2011-10-19 |
WO2010083109A1 (en) | 2010-07-22 |
US20100177428A1 (en) | 2010-07-15 |
US20130064060A1 (en) | 2013-03-14 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200429 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200429 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
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TR01 | Transfer of patent right |