WO2006001327B1 - 光ディスク装置および光ディスク半導体 - Google Patents
光ディスク装置および光ディスク半導体Info
- Publication number
- WO2006001327B1 WO2006001327B1 PCT/JP2005/011515 JP2005011515W WO2006001327B1 WO 2006001327 B1 WO2006001327 B1 WO 2006001327B1 JP 2005011515 W JP2005011515 W JP 2005011515W WO 2006001327 B1 WO2006001327 B1 WO 2006001327B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- search
- track
- spherical aberration
- focus
- light beam
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08523—Methods for track change, selection or preliminary positioning by moving the head with both tracking and focusing pull-in
-
- 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)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Abstract
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/630,832 US20080285408A1 (en) | 2004-06-24 | 2005-06-23 | Optical Disk Device and Optical Disk Semiconductor |
EP05752913A EP1764788A4 (en) | 2004-06-24 | 2005-06-23 | OPTICAL DATA BEARING DEVICE AND OPTICAL DATA CARRIER SEMICONDUCTOR |
JP2006528578A JP4331753B2 (ja) | 2004-06-24 | 2005-06-23 | 光ディスク装置および光ディスク装置の集積回路 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004186072 | 2004-06-24 | ||
JP2004-186072 | 2004-06-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006001327A1 WO2006001327A1 (ja) | 2006-01-05 |
WO2006001327B1 true WO2006001327B1 (ja) | 2006-03-09 |
Family
ID=35781783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011515 WO2006001327A1 (ja) | 2004-06-24 | 2005-06-23 | 光ディスク装置および光ディスク半導体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080285408A1 (ja) |
EP (1) | EP1764788A4 (ja) |
JP (1) | JP4331753B2 (ja) |
CN (1) | CN100487804C (ja) |
WO (1) | WO2006001327A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007080402A (ja) * | 2005-09-15 | 2007-03-29 | Hitachi Ltd | 光ディスク装置 |
KR20070088024A (ko) * | 2006-02-24 | 2007-08-29 | 삼성전자주식회사 | 광픽업 제어 장치 및 제어 방법 |
JP4825579B2 (ja) | 2006-05-23 | 2011-11-30 | 株式会社日立製作所 | 光ディスク装置 |
EP2158518B1 (en) | 2007-06-14 | 2015-01-14 | Nokia Corporation | Displays with integrated backlighting |
US20100034061A1 (en) * | 2008-08-11 | 2010-02-11 | Chih-Ching Yu | Optical storage apparatus and control chip for accessing an optical disc and method thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09219028A (ja) * | 1996-02-14 | 1997-08-19 | Sony Corp | 記録媒体記録再生装置および記録媒体記録再生方法 |
US6449232B1 (en) * | 1998-02-03 | 2002-09-10 | Matsushita Electric Industrial Co., Ltd. | Disk type determination method |
TW484128B (en) * | 2000-01-12 | 2002-04-21 | Sony Corp | Optical disc apparatus |
JP2001266392A (ja) * | 2000-03-23 | 2001-09-28 | Pioneer Electronic Corp | 光学式情報記録再生装置 |
TW564404B (en) * | 2000-09-06 | 2003-12-01 | Matsushita Electric Ind Co Ltd | Optical disk unit and information recording and reproducing method |
JP4217395B2 (ja) * | 2000-09-06 | 2009-01-28 | パナソニック株式会社 | 光ディスク装置及び多層光ディスクの記録再生方法 |
JP3995993B2 (ja) * | 2001-06-22 | 2007-10-24 | パイオニア株式会社 | 光ピックアップのフォーカシング制御装置及び方法 |
JP4788071B2 (ja) * | 2001-06-29 | 2011-10-05 | ソニー株式会社 | 光ピックアップ及び記録/再生装置 |
WO2003005352A1 (fr) * | 2001-07-05 | 2003-01-16 | Matsushita Electric Industrial Co., Ltd. | Dispositif a disque optique |
JP4257049B2 (ja) * | 2001-07-06 | 2009-04-22 | パイオニア株式会社 | 多層ディスク記録再生装置およびフォーカスジャンプ方法 |
US7260032B2 (en) * | 2001-08-06 | 2007-08-21 | Sharp Kabushiki Kaisha | Focal point adjusting method, and optical pickup device |
JP3665629B2 (ja) * | 2002-07-30 | 2005-06-29 | 株式会社東芝 | 光ディスク装置と光ディスク装置の外乱学習方法 |
JP4171378B2 (ja) * | 2003-09-04 | 2008-10-22 | 株式会社日立製作所 | 記録用光ディスクの球面収差補正方法,光ディスク記録再生方法及び光ディスク装置 |
-
2005
- 2005-06-23 JP JP2006528578A patent/JP4331753B2/ja not_active Expired - Fee Related
- 2005-06-23 WO PCT/JP2005/011515 patent/WO2006001327A1/ja active Application Filing
- 2005-06-23 US US11/630,832 patent/US20080285408A1/en not_active Abandoned
- 2005-06-23 CN CNB200580019650XA patent/CN100487804C/zh not_active Expired - Fee Related
- 2005-06-23 EP EP05752913A patent/EP1764788A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20080285408A1 (en) | 2008-11-20 |
CN1969331A (zh) | 2007-05-23 |
JPWO2006001327A1 (ja) | 2008-04-17 |
WO2006001327A1 (ja) | 2006-01-05 |
CN100487804C (zh) | 2009-05-13 |
EP1764788A1 (en) | 2007-03-21 |
JP4331753B2 (ja) | 2009-09-16 |
EP1764788A4 (en) | 2009-01-21 |
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