TW200634784A - Device and method for use in optical record carrier systems - Google Patents
Device and method for use in optical record carrier systemsInfo
- Publication number
- TW200634784A TW200634784A TW094142710A TW94142710A TW200634784A TW 200634784 A TW200634784 A TW 200634784A TW 094142710 A TW094142710 A TW 094142710A TW 94142710 A TW94142710 A TW 94142710A TW 200634784 A TW200634784 A TW 200634784A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- focus
- control signal
- focus actuator
- actuator control
- 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
-
- 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
- G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04106317 | 2004-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200634784A true TW200634784A (en) | 2006-10-01 |
Family
ID=36116890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094142710A TW200634784A (en) | 2004-12-06 | 2005-12-02 | Device and method for use in optical record carrier systems |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7848188B2 (zh) |
| EP (1) | EP1825464B1 (zh) |
| JP (1) | JP2008523535A (zh) |
| KR (1) | KR20070095315A (zh) |
| CN (1) | CN101073112B (zh) |
| AT (1) | ATE425534T1 (zh) |
| DE (1) | DE602005013280D1 (zh) |
| TW (1) | TW200634784A (zh) |
| WO (1) | WO2006061748A1 (zh) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674076A (en) | 1982-05-19 | 1987-06-16 | Burroughs Corporation | Optical memory system having improved positioning and focusing control circuitry |
| NL8502635A (nl) | 1985-09-27 | 1987-04-16 | Philips Nv | Inrichting voor het uitlezen van informatie op een registratiedrager. |
| JPS6366731A (ja) * | 1986-09-08 | 1988-03-25 | Canon Inc | 光学的情報記録再生装置 |
| JPH02246026A (ja) | 1989-03-18 | 1990-10-01 | Pioneer Electron Corp | フォーカスサーボループのループゲイン設定方法 |
| JP2716610B2 (ja) * | 1991-10-16 | 1998-02-18 | 三菱電機株式会社 | フォーカス制御装置 |
| JPH0845169A (ja) | 1994-07-28 | 1996-02-16 | Sony Corp | 光ディスクドライブの耐震装置及び耐震方法 |
| JP3413684B2 (ja) * | 1994-12-16 | 2003-06-03 | ソニー株式会社 | 多層光ディスク再生装置および方法 |
| CN1257496C (zh) * | 1996-07-31 | 2006-05-24 | 三洋电机株式会社 | 光盘装置 |
| JP3883088B2 (ja) | 1998-11-11 | 2007-02-21 | アルパイン株式会社 | ディスク再生装置 |
| JP3728390B2 (ja) * | 1999-10-08 | 2005-12-21 | パイオニア株式会社 | フォーカスサーボ制御装置並びに情報再生装置及び情報記録装置 |
| JP2001209950A (ja) | 2000-01-27 | 2001-08-03 | Hitachi Ltd | フォーカス或いはトラッキングサーボ制御装置 |
| JP2002109754A (ja) * | 2000-09-29 | 2002-04-12 | Sanyo Electric Co Ltd | 光ディスク装置におけるフォーカスサーボ引込み回路 |
| US7414940B2 (en) * | 2001-01-25 | 2008-08-19 | Dphi Acquisitions, Inc. | Calibration of a focus error signal gain in a focus servo system |
| WO2002067250A1 (fr) * | 2001-02-22 | 2002-08-29 | Matsushita Electric Industrial Co., Ltd. | Disque optique |
| US7782720B2 (en) * | 2002-12-30 | 2010-08-24 | Koninklijke Philips Electronics N.V. | Method for driving an actuator, actuator drive, and apparatus comprising an actuator |
| 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 |
| WO2005022529A1 (en) * | 2003-09-02 | 2005-03-10 | Koninklijke Philips Electronics N.V. | Disc drive apparatus, and method for recognizing cd and dvd |
| KR100524996B1 (ko) * | 2003-12-30 | 2005-10-31 | 삼성전자주식회사 | 광 디스크 시스템의 엑츄에이터 코일 손상 방지 장치 및그 방법 |
| TWI246678B (en) * | 2004-03-26 | 2006-01-01 | Micro Star Int Co Ltd | Method for detecting and controlling the warp of disc and its device |
| WO2006040733A1 (en) * | 2004-10-15 | 2006-04-20 | Koninklijke Philips Electronics N.V. | Multi-dimensional optical scanner |
-
2005
- 2005-12-01 AT AT05826711T patent/ATE425534T1/de not_active IP Right Cessation
- 2005-12-01 US US11/720,522 patent/US7848188B2/en not_active Expired - Fee Related
- 2005-12-01 DE DE602005013280T patent/DE602005013280D1/de active Active
- 2005-12-01 EP EP05826711A patent/EP1825464B1/en not_active Not-in-force
- 2005-12-01 KR KR1020077015414A patent/KR20070095315A/ko not_active Application Discontinuation
- 2005-12-01 CN CN2005800418628A patent/CN101073112B/zh not_active Expired - Fee Related
- 2005-12-01 JP JP2007545029A patent/JP2008523535A/ja active Pending
- 2005-12-01 WO PCT/IB2005/054005 patent/WO2006061748A1/en active Application Filing
- 2005-12-02 TW TW094142710A patent/TW200634784A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070095315A (ko) | 2007-09-28 |
| DE602005013280D1 (de) | 2009-04-23 |
| US20090129216A1 (en) | 2009-05-21 |
| WO2006061748A1 (en) | 2006-06-15 |
| ATE425534T1 (de) | 2009-03-15 |
| CN101073112B (zh) | 2011-02-09 |
| JP2008523535A (ja) | 2008-07-03 |
| EP1825464B1 (en) | 2009-03-11 |
| EP1825464A1 (en) | 2007-08-29 |
| CN101073112A (zh) | 2007-11-14 |
| US7848188B2 (en) | 2010-12-07 |
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