CN101093681A - 光盘装置以及跟踪方法 - Google Patents
光盘装置以及跟踪方法 Download PDFInfo
- Publication number
- CN101093681A CN101093681A CNA2007100083911A CN200710008391A CN101093681A CN 101093681 A CN101093681 A CN 101093681A CN A2007100083911 A CNA2007100083911 A CN A2007100083911A CN 200710008391 A CN200710008391 A CN 200710008391A CN 101093681 A CN101093681 A CN 101093681A
- Authority
- CN
- China
- Prior art keywords
- signal
- mixing ratio
- tracking
- optical disc
- disc apparatus
- 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
Links
Images
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
- G11B7/0901—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 for track following only
- G11B7/0903—Multi-beam tracking systems
-
- 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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
-
- 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
-
- 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
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006169016A JP4991189B2 (ja) | 2006-06-19 | 2006-06-19 | 光ディスク装置及びトラッキング方法 |
JP2006169016 | 2006-06-19 | ||
JP2006-169016 | 2006-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101093681A true CN101093681A (zh) | 2007-12-26 |
CN101093681B CN101093681B (zh) | 2012-04-18 |
Family
ID=38861406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100083911A Expired - Fee Related CN101093681B (zh) | 2006-06-19 | 2007-01-29 | 光盘装置以及跟踪方法 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7746734B2 (zh) |
JP (1) | JP4991189B2 (zh) |
CN (1) | CN101093681B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201241827A (en) * | 2011-04-12 | 2012-10-16 | Quanta Storage Inc | Method for determining phsae difference of tracking error signal |
US8897108B1 (en) * | 2012-04-26 | 2014-11-25 | Marvell International Ltd. | Single beam radial tracking method for optical discs |
JP6081246B2 (ja) * | 2013-03-15 | 2017-02-15 | アルパイン株式会社 | 光ディスク再生装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0589494A (ja) | 1991-08-14 | 1993-04-09 | Hitachi Ltd | 光学的情報記録装置ならびにそのトラツキング方法 |
KR950010418B1 (ko) | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
JP2633420B2 (ja) | 1991-08-28 | 1997-07-23 | 三菱電機株式会社 | 光記録再生装置 |
JPH07320287A (ja) | 1994-05-24 | 1995-12-08 | Olympus Optical Co Ltd | 光ピックアップ装置 |
JP2002279659A (ja) | 2001-03-16 | 2002-09-27 | Toshiba Corp | 光ディスク装置 |
JP3636093B2 (ja) * | 2001-04-24 | 2005-04-06 | ティアック株式会社 | 光ディスク装置 |
JP3566701B2 (ja) * | 2002-01-31 | 2004-09-15 | 株式会社東芝 | 光ディスク記録再生装置 |
JP2003317274A (ja) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP2003317275A (ja) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
CN1296915C (zh) * | 2002-08-26 | 2007-01-24 | 联发科技股份有限公司 | 差动推挽式寻轨误差信号的增益校正装置与方法 |
JP3937342B2 (ja) * | 2004-02-10 | 2007-06-27 | 船井電機株式会社 | 光ディスク記録再生装置 |
JP2006155722A (ja) * | 2004-11-26 | 2006-06-15 | Sony Corp | 差動プッシュプル信号調整装置及び光ディスク装置 |
JP4685754B2 (ja) * | 2006-12-28 | 2011-05-18 | 株式会社日立製作所 | トラッキング方法 |
-
2006
- 2006-06-19 JP JP2006169016A patent/JP4991189B2/ja not_active Expired - Fee Related
-
2007
- 2007-01-29 CN CN2007100083911A patent/CN101093681B/zh not_active Expired - Fee Related
- 2007-02-13 US US11/674,239 patent/US7746734B2/en not_active Ceased
-
2011
- 2011-03-17 US US13/064,302 patent/USRE43018E1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4991189B2 (ja) | 2012-08-01 |
US20070291600A1 (en) | 2007-12-20 |
JP2007335048A (ja) | 2007-12-27 |
US7746734B2 (en) | 2010-06-29 |
USRE43018E1 (en) | 2011-12-13 |
CN101093681B (zh) | 2012-04-18 |
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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: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: Tokyo, Japan Patentee after: Hitachi Consumer Electronics Co.,Ltd. Patentee after: Hitachi LG Data Storage Inc. Address before: Tokyo, Japan Patentee before: Hitachi Manufacturing Co., Ltd. Patentee before: Hitachi LG Data Storage Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170129 |
|
CF01 | Termination of patent right due to non-payment of annual fee |