ATE397268T1 - Verfahren und system zur erzeugung von sphärischen aberrationssignalfehlern - Google Patents
Verfahren und system zur erzeugung von sphärischen aberrationssignalfehlernInfo
- Publication number
- ATE397268T1 ATE397268T1 AT05751695T AT05751695T ATE397268T1 AT E397268 T1 ATE397268 T1 AT E397268T1 AT 05751695 T AT05751695 T AT 05751695T AT 05751695 T AT05751695 T AT 05751695T AT E397268 T1 ATE397268 T1 AT E397268T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- msub
- mrow
- fes
- error signal
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- 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
- G11B7/08—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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Nuclear Medicine (AREA)
- Optical Communication System (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04300410 | 2004-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE397268T1 true ATE397268T1 (de) | 2008-06-15 |
Family
ID=35004198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05751695T ATE397268T1 (de) | 2004-06-29 | 2005-06-22 | Verfahren und system zur erzeugung von sphärischen aberrationssignalfehlern |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070223322A1 (de) |
EP (1) | EP1763876B1 (de) |
JP (1) | JP2008504643A (de) |
KR (1) | KR20070034604A (de) |
CN (1) | CN1977321A (de) |
AT (1) | ATE397268T1 (de) |
DE (1) | DE602005007229D1 (de) |
TW (1) | TW200613875A (de) |
WO (1) | WO2006003549A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7859967B2 (en) * | 2007-08-30 | 2010-12-28 | Lite-On It Corporation | Optical disk drive with spherical aberration measurement and method of measuring spherical aberration in an optical disk drive |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8400674A (nl) * | 1984-03-02 | 1985-10-01 | Philips Nv | Inrichting voor het inschrijven en/of uitlezen van informatie in een spoor van een reflekterende registratiedrager, met een fokusregeling met verminderde spot offsetgevoeligheid. |
KR100200857B1 (ko) * | 1995-10-04 | 1999-06-15 | 윤종용 | 광픽업장치 |
JPH10198985A (ja) * | 1997-01-10 | 1998-07-31 | Sony Corp | 光ディスク装置 |
DE69838745T2 (de) * | 1997-10-06 | 2008-10-30 | Koninklijke Philips Electronics N.V. | Detektionssystem der sphärischen aberration und dieses verwendende optische vorrichtung |
JP2000182254A (ja) * | 1998-12-15 | 2000-06-30 | Pioneer Electronic Corp | ピックアップ装置 |
JP2002358677A (ja) * | 2001-05-28 | 2002-12-13 | Hitachi Ltd | 光ヘッド及び光ディスク装置 |
KR20030084756A (ko) * | 2002-04-26 | 2003-11-01 | 마츠시타 덴끼 산교 가부시키가이샤 | 광디스크 장치, 빔 스폿의 이동 방법 및 광디스크 장치에있어서 실행 가능한 컴퓨터 프로그램 |
CN1299274C (zh) * | 2002-10-02 | 2007-02-07 | 松下电器产业株式会社 | 光盘装置 |
-
2005
- 2005-06-22 AT AT05751695T patent/ATE397268T1/de not_active IP Right Cessation
- 2005-06-22 CN CNA2005800218852A patent/CN1977321A/zh active Pending
- 2005-06-22 EP EP05751695A patent/EP1763876B1/de not_active Not-in-force
- 2005-06-22 US US11/570,784 patent/US20070223322A1/en not_active Abandoned
- 2005-06-22 KR KR1020077001821A patent/KR20070034604A/ko not_active Application Discontinuation
- 2005-06-22 JP JP2007518753A patent/JP2008504643A/ja not_active Withdrawn
- 2005-06-22 WO PCT/IB2005/052043 patent/WO2006003549A1/en active IP Right Grant
- 2005-06-22 DE DE602005007229T patent/DE602005007229D1/de not_active Expired - Fee Related
- 2005-06-24 TW TW094121324A patent/TW200613875A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2006003549A1 (en) | 2006-01-12 |
US20070223322A1 (en) | 2007-09-27 |
TW200613875A (en) | 2006-05-01 |
DE602005007229D1 (de) | 2008-07-10 |
EP1763876A1 (de) | 2007-03-21 |
EP1763876B1 (de) | 2008-05-28 |
CN1977321A (zh) | 2007-06-06 |
KR20070034604A (ko) | 2007-03-28 |
JP2008504643A (ja) | 2008-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |