HK1064789A1 - Focus position adjustment device and optical disc drive apparatus - Google Patents
Focus position adjustment device and optical disc drive apparatusInfo
- Publication number
- HK1064789A1 HK1064789A1 HK04107352A HK04107352A HK1064789A1 HK 1064789 A1 HK1064789 A1 HK 1064789A1 HK 04107352 A HK04107352 A HK 04107352A HK 04107352 A HK04107352 A HK 04107352A HK 1064789 A1 HK1064789 A1 HK 1064789A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- optical disc
- adjustment device
- focus position
- position adjustment
- disc drive
- 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
- G11B7/0908—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 focusing only
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32366597 | 1997-11-26 | ||
JP26115798 | 1998-09-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1064789A1 true HK1064789A1 (en) | 2005-02-04 |
Family
ID=26544944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK04107352A HK1064789A1 (en) | 1997-11-26 | 2004-09-23 | Focus position adjustment device and optical disc drive apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US6240055B1 (xx) |
CN (8) | CN1251206C (xx) |
HK (1) | HK1064789A1 (xx) |
Families Citing this family (57)
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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 |
JP2000057579A (ja) * | 1998-08-10 | 2000-02-25 | Sony Corp | 光ディスク、光ディスクの記録方法及び光ディスクの原盤の製造装置 |
JP2000251419A (ja) * | 1999-02-26 | 2000-09-14 | Sony Corp | 読み出し制御装置、再生装置、記録装置およびその方法 |
JP2001056936A (ja) * | 1999-08-19 | 2001-02-27 | Pioneer Electronic Corp | 異常状態検出方法及び装置並びに情報記録方法及び装置 |
JP3378837B2 (ja) * | 1999-08-30 | 2003-02-17 | 三洋電機株式会社 | ディスク装置 |
US6822935B1 (en) * | 1999-09-16 | 2004-11-23 | Lg Electronics Inc. | Track discriminating apparatus and method for optical recording medium |
CN1184633C (zh) * | 2000-02-10 | 2005-01-12 | 索尼株式会社 | 用于记录介质的记录和/或再现的方法及其设备 |
JP4283477B2 (ja) * | 2000-03-31 | 2009-06-24 | アンリツ株式会社 | 光分岐方式による光信号の自己相関ビットエラー検出装置及び方法 |
JP3714458B2 (ja) * | 2000-04-28 | 2005-11-09 | パイオニア株式会社 | 光学式ディスクプレーヤのサーボ制御装置 |
US20020031061A1 (en) * | 2000-06-06 | 2002-03-14 | Minoru Yonezawa | Optical disk apparatus and method of adjusting the same |
JP2002042346A (ja) * | 2000-07-19 | 2002-02-08 | Sony Corp | 記録媒体及び記録媒体の再生装置並びに再生方法 |
US6728178B2 (en) * | 2000-10-27 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Semiconductor laser control method and semiconductor laser control device |
US7480219B2 (en) * | 2000-11-21 | 2009-01-20 | Lg Electronics Inc. | Method and apparatus for calculating a variation per track of a focus error to control the tilt of a disk |
US7522480B2 (en) | 2001-01-25 | 2009-04-21 | Dphi Acquisitions, Inc. | Digital tracking servo system with multi-track seek with an acceleration clamp |
US7092322B2 (en) * | 2001-01-25 | 2006-08-15 | Dphi Acquisitions, Inc. | Calibration of focus error signal offset in a focus servo system |
WO2002080155A1 (fr) * | 2001-03-29 | 2002-10-10 | Sony Corporation | Appareil lecteur de disque et procede de lecture de donnees |
JP2002342942A (ja) * | 2001-05-14 | 2002-11-29 | Toshiba Corp | 情報記憶媒体、情報記録方法、および情報記録再生装置 |
JP3632622B2 (ja) * | 2001-06-15 | 2005-03-23 | ティアック株式会社 | 光ディスク装置 |
JP3671873B2 (ja) * | 2001-06-27 | 2005-07-13 | ティアック株式会社 | 光ディスク装置 |
JP2003109232A (ja) * | 2001-09-28 | 2003-04-11 | Sanyo Electric Co Ltd | 光ディスク再生装置に用いられるサーボ回路及びそのサーボ方法 |
US7257052B2 (en) * | 2002-02-05 | 2007-08-14 | Matsushita Electric Industrial Co., Ltd. | Control apparatus and optical disk apparatus |
WO2003073280A1 (en) * | 2002-02-26 | 2003-09-04 | Advantest Corporation | Measuring apparatus and measuring method |
JP3917878B2 (ja) * | 2002-02-28 | 2007-05-23 | 富士通株式会社 | 光記憶装置及び、その最適フォーカスオフセット値決定方法 |
JP4109919B2 (ja) * | 2002-07-19 | 2008-07-02 | キヤノン株式会社 | 光学的情報再生装置 |
JP4041387B2 (ja) * | 2002-12-11 | 2008-01-30 | 日本テキサス・インスツルメンツ株式会社 | 光ディスク用マーク検出回路 |
KR100525877B1 (ko) * | 2003-01-28 | 2005-11-02 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 광디스크 장치에서의 포커스 바이어스 조정방법 |
JP3918762B2 (ja) * | 2003-04-04 | 2007-05-23 | ソニー株式会社 | 記録信号再生装置および記録信号再生方法 |
TWI238402B (en) * | 2003-04-15 | 2005-08-21 | Mediatek Inc | Focus position adjustment method and system thereof |
KR20050088015A (ko) * | 2004-02-28 | 2005-09-01 | 삼성전자주식회사 | 데이터의 기록 및/또는 재생 방법 및 장치 |
US7276720B2 (en) * | 2004-07-19 | 2007-10-02 | Helicos Biosciences Corporation | Apparatus and methods for analyzing samples |
US20060012793A1 (en) * | 2004-07-19 | 2006-01-19 | Helicos Biosciences Corporation | Apparatus and methods for analyzing samples |
US7606121B2 (en) * | 2004-07-29 | 2009-10-20 | Panasonic Corporation | Optical disk drive with target focus control |
US20070070349A1 (en) * | 2005-09-23 | 2007-03-29 | Helicos Biosciences Corporation | Optical train and method for TIRF single molecule detection and analysis |
US20060109765A1 (en) * | 2004-11-22 | 2006-05-25 | Behavior Computer Tech Corp. | Method for testing assembling quality of optical storage devices and optical storage device for using such method |
US20090290461A1 (en) * | 2004-12-20 | 2009-11-26 | Koninklijke Philips Electronics, N.V. | Optimizing calibration system |
JP4569306B2 (ja) * | 2005-02-02 | 2010-10-27 | 船井電機株式会社 | 光ディスク装置及びデフォーカス調整方法 |
US20060286566A1 (en) * | 2005-02-03 | 2006-12-21 | Helicos Biosciences Corporation | Detecting apparent mutations in nucleic acid sequences |
US7730384B2 (en) * | 2005-02-28 | 2010-06-01 | Agere Systems Inc. | Method and apparatus for evaluating performance of a read channel |
KR20060131471A (ko) * | 2005-06-16 | 2006-12-20 | 삼성전자주식회사 | 고밀도 광디스크의 리드인 영역 내 오.피.씨 데이터관리방법 |
CN100375999C (zh) * | 2005-06-29 | 2008-03-19 | 广明光电股份有限公司 | 光驱重新聚焦伺服方法 |
JP4830426B2 (ja) * | 2005-09-28 | 2011-12-07 | ソニー株式会社 | 光記録媒体、記録装置、記録又は再生装置、記録方法、記録又は再生方法 |
JP4615423B2 (ja) * | 2005-11-14 | 2011-01-19 | パナソニック株式会社 | トラックジャンピング走査制御装置およびトラック検索装置 |
JP4690871B2 (ja) * | 2005-11-30 | 2011-06-01 | 株式会社日立製作所 | 光ディスク記録・再生装置及びそのフォーカスサーボ制御方法 |
TW200826086A (en) * | 2005-12-21 | 2008-06-16 | Koninkl Philips Electronics Nv | A method of operating a data recording device |
TW200735080A (en) * | 2006-03-08 | 2007-09-16 | Cheertek Inc | Optical storage system capable of adjusting channel properties and method thereof |
KR100971805B1 (ko) * | 2006-03-22 | 2010-07-22 | 파나소닉 주식회사 | 포커스 제어 장치, 및 광 디스크 장치 |
US7948839B2 (en) * | 2006-06-22 | 2011-05-24 | Panasonic Corporation | Optical disk apparatus |
JP2008123640A (ja) * | 2006-11-15 | 2008-05-29 | Funai Electric Co Ltd | 光ディスク装置 |
EP2503550A1 (en) * | 2006-12-26 | 2012-09-26 | Panasonic Corporation | Device for reproducing information from an optical recording medium, device for recording information on an optical recording medium, and reproduction signal processing method |
JP4985050B2 (ja) * | 2007-03-30 | 2012-07-25 | ソニー株式会社 | 光ディスク装置及び情報再生方法 |
JP2008251134A (ja) * | 2007-03-30 | 2008-10-16 | Sony Corp | 光ディスク装置、情報記録方法及び情報再生方法 |
US8045436B2 (en) * | 2007-11-29 | 2011-10-25 | Mediatek Inc. | Method and apparatus for adjusting focus offset based on target condition |
US20110222384A1 (en) * | 2008-06-19 | 2011-09-15 | Kenji Kondo | Optical disc device and optical disc device drive method |
JP2010129119A (ja) * | 2008-11-27 | 2010-06-10 | Hitachi-Lg Data Storage Inc | 光ディスク装置及びそのフォーカスオフセット設定方法 |
WO2010120290A1 (en) * | 2009-04-15 | 2010-10-21 | Hewlett-Packard Development Company, L.P. | Focusing a laser on a label surface of an optical disc |
KR102221752B1 (ko) * | 2014-03-20 | 2021-03-02 | 삼성전자주식회사 | 메모리 장치의 프로그램 방법 및 이를 포함하는 데이터 독출 방법 |
JP7022096B2 (ja) * | 2019-03-28 | 2022-02-17 | ファナック株式会社 | サーボ制御装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01307929A (ja) | 1988-06-06 | 1989-12-12 | Fujitsu Ltd | 光ディスク装置のフォーカスサーボ回路 |
JPH03260916A (ja) | 1990-03-09 | 1991-11-20 | Oki Electric Ind Co Ltd | 光学的情報記録再生装置 |
US5351224A (en) | 1990-03-08 | 1994-09-27 | Oki Electric Industry Co., Ltd. | Adjustment of tracking servo and focusing servo in optical data recording/reproducing apparatus |
JPH03259428A (ja) | 1990-03-08 | 1991-11-19 | Oki Electric Ind Co Ltd | 光学的情報記録再生装置 |
US5297114A (en) | 1990-11-30 | 1994-03-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength |
JP2796888B2 (ja) | 1990-11-30 | 1998-09-10 | 旭光学工業株式会社 | 光ディスク装置 |
US5568461A (en) * | 1994-04-20 | 1996-10-22 | Matsushita Electric Industrial Co., Ltd. | Optical information recording and reproducing apparatus |
KR0138337B1 (ko) * | 1994-07-28 | 1998-05-15 | 김광호 | 포커스 제어방법 및 장치 |
JP3465413B2 (ja) | 1995-06-16 | 2003-11-10 | ソニー株式会社 | 光ディスク駆動装置およびフォーカス制御方法 |
JP3543427B2 (ja) * | 1995-07-11 | 2004-07-14 | ソニー株式会社 | 光ディスク装置 |
JPH09161275A (ja) * | 1995-12-06 | 1997-06-20 | Matsushita Electric Ind Co Ltd | 光ディスク媒体およびこの光ディスク媒体を使用する光ディスクドライブ装置 |
JPH09204674A (ja) * | 1996-01-26 | 1997-08-05 | Canon Inc | 光学的情報記録再生装置 |
-
1998
- 1998-11-25 CN CNB031491073A patent/CN1251206C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB031430457A patent/CN1251204C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB031491278A patent/CN1251207C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB031430465A patent/CN1324580C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB031491065A patent/CN1251205C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB981269265A patent/CN1149547C/zh not_active Expired - Lifetime
- 1998-11-25 US US09/200,009 patent/US6240055B1/en not_active Expired - Lifetime
- 1998-11-25 CN CNB031486592A patent/CN1310225C/zh not_active Expired - Lifetime
- 1998-11-25 CN CNB031430449A patent/CN1251203C/zh not_active Expired - Lifetime
-
2004
- 2004-09-23 HK HK04107352A patent/HK1064789A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1251205C (zh) | 2006-04-12 |
CN1495730A (zh) | 2004-05-12 |
CN1495731A (zh) | 2004-05-12 |
CN1501369A (zh) | 2004-06-02 |
CN1251206C (zh) | 2006-04-12 |
CN1495728A (zh) | 2004-05-12 |
CN1497548A (zh) | 2004-05-19 |
CN1310225C (zh) | 2007-04-11 |
CN1251204C (zh) | 2006-04-12 |
CN1495729A (zh) | 2004-05-12 |
CN1251203C (zh) | 2006-04-12 |
CN1251207C (zh) | 2006-04-12 |
CN1495732A (zh) | 2004-05-12 |
CN1149547C (zh) | 2004-05-12 |
CN1324580C (zh) | 2007-07-04 |
CN1221950A (zh) | 1999-07-07 |
US6240055B1 (en) | 2001-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |
Effective date: 20181124 |