ATE419620T1 - Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems - Google Patents
Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystemsInfo
- Publication number
- ATE419620T1 ATE419620T1 AT06765835T AT06765835T ATE419620T1 AT E419620 T1 ATE419620 T1 AT E419620T1 AT 06765835 T AT06765835 T AT 06765835T AT 06765835 T AT06765835 T AT 06765835T AT E419620 T1 ATE419620 T1 AT E419620T1
- Authority
- AT
- Austria
- Prior art keywords
- focus
- drive system
- optical carrier
- optical drive
- focus 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Microscoopes, Condenser (AREA)
- Automatic Focus Adjustment (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05105863 | 2005-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE419620T1 true ATE419620T1 (de) | 2009-01-15 |
Family
ID=37508324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT06765835T ATE419620T1 (de) | 2005-06-30 | 2006-06-23 | Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8014249B2 (de) |
| EP (1) | EP1905017B1 (de) |
| JP (1) | JP2009500772A (de) |
| KR (1) | KR20080021157A (de) |
| CN (1) | CN101213597B (de) |
| AT (1) | ATE419620T1 (de) |
| DE (1) | DE602006004596D1 (de) |
| MY (1) | MY140423A (de) |
| TW (1) | TW200705420A (de) |
| WO (1) | WO2007004095A2 (de) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140429A (ja) * | 1986-12-03 | 1988-06-13 | Canon Inc | 光学的情報記録再生装置 |
| JPH02143926A (ja) * | 1988-11-25 | 1990-06-01 | Asahi Optical Co Ltd | フォーカスアクチュエータ駆動装置 |
| JPH0540941A (ja) * | 1991-08-07 | 1993-02-19 | Hitachi Ltd | 自動焦点引き込み方式 |
| DE69317831T2 (de) | 1992-08-04 | 1998-08-06 | Sony Corp | Wiedergabegerät |
| WO1997024717A1 (en) | 1995-12-27 | 1997-07-10 | Philips Electronics N.V. | Device for scanning an optically readable record carrier |
| JP2000339712A (ja) * | 1999-06-02 | 2000-12-08 | Ricoh Co Ltd | 光ディスク装置 |
| TW509926B (en) * | 1999-12-10 | 2002-11-11 | Koninkl Philips Electronics Nv | Device for scanning a rotating information carrier |
| JP3726621B2 (ja) * | 2000-02-25 | 2005-12-14 | 三菱電機株式会社 | フォーカス引き込み方法および光ディスク装置 |
| US6882601B2 (en) | 2001-01-25 | 2005-04-19 | Dphi Acquisitions, Inc. | Digital servo system with feed-forward control loops |
| JP3596001B2 (ja) * | 2001-01-30 | 2004-12-02 | 日本電気株式会社 | フォーカスサーボ引き込み装置 |
| WO2003010761A1 (en) * | 2001-07-26 | 2003-02-06 | Sony Corporation | Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium |
| JP3725457B2 (ja) * | 2001-09-17 | 2005-12-14 | 株式会社東芝 | フォーカス引き込み方法及び光ディスク装置 |
| KR100638124B1 (ko) * | 2001-10-01 | 2006-10-24 | 파이오니아 가부시키가이샤 | 포커스 풀-인 기능을 갖는 광학 디스크 플레이어 |
| CN1211789C (zh) * | 2001-12-14 | 2005-07-20 | 松下电器产业株式会社 | 光头以及光盘装置 |
| JP4132034B2 (ja) * | 2001-12-14 | 2008-08-13 | 松下電器産業株式会社 | 光ヘッドおよび光ディスク装置 |
| CN1679092A (zh) * | 2003-01-20 | 2005-10-05 | 富士通株式会社 | 光学存储系统和控制方法 |
| JP2004103234A (ja) * | 2003-09-26 | 2004-04-02 | Toshiba Corp | 光ディスク装置及び光ディスク処理方法 |
| US7362667B2 (en) * | 2003-11-14 | 2008-04-22 | Matsushita Electric Industrial Co., Ltd. | Optical information reproduction method and apparatus |
-
2006
- 2006-06-23 CN CN2006800237025A patent/CN101213597B/zh not_active Expired - Fee Related
- 2006-06-23 KR KR1020087002203A patent/KR20080021157A/ko not_active Application Discontinuation
- 2006-06-23 EP EP06765835A patent/EP1905017B1/de not_active Not-in-force
- 2006-06-23 US US11/993,495 patent/US8014249B2/en not_active Expired - Fee Related
- 2006-06-23 DE DE602006004596T patent/DE602006004596D1/de active Active
- 2006-06-23 JP JP2008519035A patent/JP2009500772A/ja not_active Ceased
- 2006-06-23 WO PCT/IB2006/052042 patent/WO2007004095A2/en active Application Filing
- 2006-06-23 AT AT06765835T patent/ATE419620T1/de not_active IP Right Cessation
- 2006-06-27 TW TW095123194A patent/TW200705420A/zh unknown
- 2006-06-28 MY MYPI20063088A patent/MY140423A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE602006004596D1 (de) | 2009-02-12 |
| WO2007004095A2 (en) | 2007-01-11 |
| US20100142335A1 (en) | 2010-06-10 |
| MY140423A (en) | 2009-12-31 |
| TW200705420A (en) | 2007-02-01 |
| KR20080021157A (ko) | 2008-03-06 |
| US8014249B2 (en) | 2011-09-06 |
| EP1905017A2 (de) | 2008-04-02 |
| CN101213597B (zh) | 2010-12-29 |
| EP1905017B1 (de) | 2008-12-31 |
| WO2007004095A3 (en) | 2007-03-15 |
| JP2009500772A (ja) | 2009-01-08 |
| CN101213597A (zh) | 2008-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |