CN1577535A - 用于补偿光盘伺服系统中的盘偏心率的方法和装置 - Google Patents
用于补偿光盘伺服系统中的盘偏心率的方法和装置 Download PDFInfo
- Publication number
- CN1577535A CN1577535A CNA2004100478448A CN200410047844A CN1577535A CN 1577535 A CN1577535 A CN 1577535A CN A2004100478448 A CNA2004100478448 A CN A2004100478448A CN 200410047844 A CN200410047844 A CN 200410047844A CN 1577535 A CN1577535 A CN 1577535A
- Authority
- CN
- China
- Prior art keywords
- excentricity
- component
- error signal
- tracking error
- sine wave
- 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.)
- Granted
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Classifications
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030050506A KR100546349B1 (ko) | 2003-07-23 | 2003-07-23 | 광 디스크 서보 시스템에서 디스크 편심 보상 장치 및 그방법 |
KR50506/2003 | 2003-07-23 | ||
KR50506/03 | 2003-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1577535A true CN1577535A (zh) | 2005-02-09 |
CN100442365C CN100442365C (zh) | 2008-12-10 |
Family
ID=34420487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100478448A Expired - Fee Related CN100442365C (zh) | 2003-07-23 | 2004-05-31 | 用于补偿光盘伺服系统中的盘偏心率的方法和装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7317669B2 (zh) |
KR (1) | KR100546349B1 (zh) |
CN (1) | CN100442365C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101382772B (zh) * | 2007-09-07 | 2012-12-26 | 三星电子株式会社 | 降噪伺服控制 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7859965B2 (en) * | 2005-04-08 | 2010-12-28 | Pioneer Corporation | Recording device and method, reproducing device and method, recording/reproducing device and method, and computer program |
US7145304B1 (en) * | 2005-08-29 | 2006-12-05 | Zoran Corporation | Rotating storage media control loops having adaptive feed forward insertion of signals including harmonics |
US8839387B2 (en) * | 2009-01-28 | 2014-09-16 | Headwater Partners I Llc | Roaming services network and overlay networks |
US8177483B2 (en) * | 2009-05-22 | 2012-05-15 | General Electric Company | Active casing alignment control system and method |
US20100296912A1 (en) * | 2009-05-22 | 2010-11-25 | General Electric Company | Active Rotor Alignment Control System And Method |
US8743495B1 (en) | 2011-06-03 | 2014-06-03 | Western Digital Technologies, Inc. | Disk drive detecting track squeeze when circular tracks are defined from non-circular servo tracks |
US8749904B1 (en) | 2012-02-28 | 2014-06-10 | Western Digital Technologies, Inc. | Disk drive compensating for track squeeze by writing non-circular servo tracks |
US8717704B1 (en) | 2012-02-28 | 2014-05-06 | Western Digital Technologies, Inc. | Disk drive defining non-circular data tracks relative to a rotation axis of the disk |
US8670206B1 (en) | 2012-03-27 | 2014-03-11 | Western Digital Technologies, Inc. | Disk drive estimating repeatable runout of reference pattern based on repeatable runout of phase error |
US8929021B1 (en) | 2012-03-27 | 2015-01-06 | Western Digital Technologies, Inc. | Disk drive servo writing from spiral tracks using radial dependent timing feed-forward compensation |
US8724253B1 (en) | 2012-03-27 | 2014-05-13 | Western Digital Technologies, Inc. | Disk drive adjusting demodulation window for spiral track using timing feed-forward compensation |
US8897108B1 (en) * | 2012-04-26 | 2014-11-25 | Marvell International Ltd. | Single beam radial tracking method for optical discs |
US8917475B1 (en) | 2013-12-20 | 2014-12-23 | Western Digital Technologies, Inc. | Disk drive generating a disk locked clock using radial dependent timing feed-forward compensation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60185253A (ja) * | 1984-03-05 | 1985-09-20 | Hitachi Ltd | デイスク装置のデイスク偏心吸収機構 |
KR100292038B1 (ko) * | 1992-12-04 | 2001-06-01 | 이데이 노부유끼 | 디스크장치 |
JPH07182676A (ja) | 1993-12-24 | 1995-07-21 | Matsushita Electric Ind Co Ltd | ディスク媒体の偏心補正装置 |
JP3633095B2 (ja) * | 1996-04-22 | 2005-03-30 | 富士通株式会社 | 光学的記憶装置 |
JP3730372B2 (ja) * | 1997-08-05 | 2006-01-05 | 富士通株式会社 | 光学的記憶装置 |
US6498772B1 (en) * | 1999-09-20 | 2002-12-24 | Matsushita Electric Industrial Co., Ltd. | Optical disc apparatus |
JP2003030877A (ja) | 2001-07-17 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
KR100425461B1 (ko) * | 2001-08-29 | 2004-03-30 | 삼성전자주식회사 | 디스크 판별 장치 및 방법 |
JP2003123415A (ja) * | 2001-10-16 | 2003-04-25 | Matsushita Electric Ind Co Ltd | 磁気ディスクの偏心制御方法及び偏心制御方法を記録した記録媒体並びに偏心制御方法を用いた磁気ディスク装置 |
US7450483B2 (en) * | 2003-04-28 | 2008-11-11 | Panasonic Corporation | Information carrier apparatus and information carrier eccentricity correction method |
-
2003
- 2003-07-23 KR KR1020030050506A patent/KR100546349B1/ko not_active IP Right Cessation
-
2004
- 2004-05-31 CN CNB2004100478448A patent/CN100442365C/zh not_active Expired - Fee Related
- 2004-07-20 US US10/894,360 patent/US7317669B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101382772B (zh) * | 2007-09-07 | 2012-12-26 | 三星电子株式会社 | 降噪伺服控制 |
Also Published As
Publication number | Publication date |
---|---|
US20050078573A1 (en) | 2005-04-14 |
KR20050011413A (ko) | 2005-01-29 |
KR100546349B1 (ko) | 2006-01-26 |
US7317669B2 (en) | 2008-01-08 |
CN100442365C (zh) | 2008-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA SAMSUNG STORAGE TECHNO Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20140722 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140722 Address after: Gyeonggi Do, South Korea Patentee after: Toshiba Samsung Storage Technology Korea Co., Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20170531 |
|
CF01 | Termination of patent right due to non-payment of annual fee |