WO2009008145A1 - 光ディスク用信号処理装置、光ディスク用信号処理方法、光ディスク用再生記録装置、及び光ディスク用再生記録方法 - Google Patents
光ディスク用信号処理装置、光ディスク用信号処理方法、光ディスク用再生記録装置、及び光ディスク用再生記録方法 Download PDFInfo
- Publication number
- WO2009008145A1 WO2009008145A1 PCT/JP2008/001782 JP2008001782W WO2009008145A1 WO 2009008145 A1 WO2009008145 A1 WO 2009008145A1 JP 2008001782 W JP2008001782 W JP 2008001782W WO 2009008145 A1 WO2009008145 A1 WO 2009008145A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical disc
- signal processing
- recording
- disc reproducing
- reproducing
- Prior art date
Links
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
- G11B7/094—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
- G11B7/0945—Methods for initialising servos, start-up sequences
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/667,771 US8009525B2 (en) | 2007-07-06 | 2008-07-04 | Optical disc signal processing device, optical disc signal processing method, optical disc reproduction and recording device, and optical disc reproduction and recording method |
CN2008800194870A CN101681639B (zh) | 2007-07-06 | 2008-07-04 | 光盘用信号处理装置、光盘用信号处理方法、光盘用重现记录装置及光盘用重现记录方法 |
JP2009522518A JP4640872B2 (ja) | 2007-07-06 | 2008-07-04 | 光ディスク用信号処理装置、光ディスク用信号処理方法、光ディスク用再生記録装置、及び光ディスク用再生記録方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-177878 | 2007-07-06 | ||
JP2007177878 | 2007-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009008145A1 true WO2009008145A1 (ja) | 2009-01-15 |
Family
ID=40228339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/001782 WO2009008145A1 (ja) | 2007-07-06 | 2008-07-04 | 光ディスク用信号処理装置、光ディスク用信号処理方法、光ディスク用再生記録装置、及び光ディスク用再生記録方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8009525B2 (ja) |
JP (1) | JP4640872B2 (ja) |
CN (1) | CN101681639B (ja) |
WO (1) | WO2009008145A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009283103A (ja) * | 2008-05-26 | 2009-12-03 | Sony Computer Entertainment Inc | 光ディスク装置、その制御方法、プログラム及び情報記憶媒体 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201142838A (en) * | 2010-05-25 | 2011-12-01 | Quanta Storage Inc | Method for detecting obliquity of optical disk drive |
JP2013222483A (ja) * | 2012-04-16 | 2013-10-28 | Funai Electric Co Ltd | 光ディスク装置および光ディスク装置の調整方法 |
CN103389785A (zh) * | 2012-05-10 | 2013-11-13 | 飞利浦建兴数位科技股份有限公司 | 光驱与计算机***及其相关控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246532A (ja) * | 1988-08-09 | 1990-02-15 | Matsushita Electric Ind Co Ltd | 焦点制御装置 |
JPH06162529A (ja) * | 1992-11-18 | 1994-06-10 | Canon Inc | 光学的情報記録再生装置 |
JP2002109822A (ja) * | 2000-09-29 | 2002-04-12 | Fujitsu Ltd | 回転制御方法及び記憶装置 |
JP2007012127A (ja) * | 2005-06-29 | 2007-01-18 | Clarion Co Ltd | 光ディスクプレーヤ及びその制御方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68913619T2 (de) | 1988-08-09 | 1994-06-16 | Matsushita Electric Ind Co Ltd | Verfahren und Gerät zur Einstellung der Lage eines Zieles zwecks fokussieren eines Lichtstrahles. |
JP2553656B2 (ja) | 1988-08-31 | 1996-11-13 | 松下電器産業株式会社 | 焦点制御装置 |
KR100240339B1 (ko) | 1997-05-29 | 2000-01-15 | 전주범 | 광디스크 시스템의 포커스 바이어스 조정 장치 |
JP3545181B2 (ja) | 1997-11-27 | 2004-07-21 | シャープ株式会社 | 光情報記録再生装置 |
US6963520B1 (en) | 1999-05-18 | 2005-11-08 | Lg Electronics Inc. | Method of recording and reproducing an optical recording medium |
US7054242B2 (en) | 2001-01-25 | 2006-05-30 | Dphi Acquisitions, Inc. | System and method for controlling focus in an optical disc drive |
US7092322B2 (en) | 2001-01-25 | 2006-08-15 | Dphi Acquisitions, Inc. | Calibration of focus error signal offset in a focus servo system |
US7023776B2 (en) | 2001-01-25 | 2006-04-04 | Dphi Acquisitions, Inc. | Calibration initiation methods for a tracking and focus servo system |
JP2003248951A (ja) | 2002-02-25 | 2003-09-05 | Funai Electric Co Ltd | 光ディスクのチルト制御装置 |
JP4659348B2 (ja) * | 2003-08-22 | 2011-03-30 | パイオニア株式会社 | 光ピックアップ装置及び光記録媒体再生装置 |
-
2008
- 2008-07-04 JP JP2009522518A patent/JP4640872B2/ja not_active Expired - Fee Related
- 2008-07-04 CN CN2008800194870A patent/CN101681639B/zh not_active Expired - Fee Related
- 2008-07-04 WO PCT/JP2008/001782 patent/WO2009008145A1/ja active Application Filing
- 2008-07-04 US US12/667,771 patent/US8009525B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246532A (ja) * | 1988-08-09 | 1990-02-15 | Matsushita Electric Ind Co Ltd | 焦点制御装置 |
JPH06162529A (ja) * | 1992-11-18 | 1994-06-10 | Canon Inc | 光学的情報記録再生装置 |
JP2002109822A (ja) * | 2000-09-29 | 2002-04-12 | Fujitsu Ltd | 回転制御方法及び記憶装置 |
JP2007012127A (ja) * | 2005-06-29 | 2007-01-18 | Clarion Co Ltd | 光ディスクプレーヤ及びその制御方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009283103A (ja) * | 2008-05-26 | 2009-12-03 | Sony Computer Entertainment Inc | 光ディスク装置、その制御方法、プログラム及び情報記憶媒体 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2009008145A1 (ja) | 2010-09-02 |
US20100195457A1 (en) | 2010-08-05 |
JP4640872B2 (ja) | 2011-03-02 |
US8009525B2 (en) | 2011-08-30 |
CN101681639A (zh) | 2010-03-24 |
CN101681639B (zh) | 2012-07-04 |
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