CN100444249C - 光盘装置 - Google Patents
光盘装置 Download PDFInfo
- Publication number
- CN100444249C CN100444249C CNB2006101106579A CN200610110657A CN100444249C CN 100444249 C CN100444249 C CN 100444249C CN B2006101106579 A CNB2006101106579 A CN B2006101106579A CN 200610110657 A CN200610110657 A CN 200610110657A CN 100444249 C CN100444249 C CN 100444249C
- Authority
- CN
- China
- Prior art keywords
- action
- aberration correcting
- correcting part
- control
- pick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- G11B7/12—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
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in 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
- G11B7/12—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)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005267860A JP2007080402A (ja) | 2005-09-15 | 2005-09-15 | 光ディスク装置 |
JP2005267860 | 2005-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1932983A CN1932983A (zh) | 2007-03-21 |
CN100444249C true CN100444249C (zh) | 2008-12-17 |
Family
ID=37878772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101106579A Expired - Fee Related CN100444249C (zh) | 2005-09-15 | 2006-08-07 | 光盘装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7933175B2 (zh) |
JP (1) | JP2007080402A (zh) |
CN (1) | CN100444249C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4969142B2 (ja) * | 2006-04-27 | 2012-07-04 | 株式会社日立製作所 | 光ディスク装置及びその駆動方法 |
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 |
JP2010118093A (ja) * | 2008-11-11 | 2010-05-27 | Funai Electric Co Ltd | 光ディスク装置 |
JP5358475B2 (ja) * | 2010-02-15 | 2013-12-04 | 日立コンシューマエレクトロニクス株式会社 | 光ディスク装置およびフォーカス制御方法 |
US8385178B2 (en) * | 2010-12-23 | 2013-02-26 | General Electric Company | Multi-stage focus actuator and optical head |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002304750A (ja) * | 2001-04-09 | 2002-10-18 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP2002334476A (ja) * | 2001-05-14 | 2002-11-22 | Konica Corp | 光ピックアップ装置及び記録・再生装置 |
JP2004326936A (ja) * | 2003-04-25 | 2004-11-18 | Hitachi Ltd | 光ディスク装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2644720B2 (ja) * | 1985-02-25 | 1997-08-25 | 株式会社日立製作所 | トラック引込み方法 |
TW453493U (en) * | 1996-02-13 | 2001-09-01 | Tokyo Shibaura Electric Co | Reproducing device of optical disk |
JP2001266392A (ja) | 2000-03-23 | 2001-09-28 | Pioneer Electronic Corp | 光学式情報記録再生装置 |
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 |
TW564404B (en) | 2000-09-06 | 2003-12-01 | Matsushita Electric Ind Co Ltd | Optical disk unit and information recording and reproducing method |
US6967916B2 (en) * | 2000-10-10 | 2005-11-22 | Matsushita Electric Industrial Co., Ltd. | Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus |
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 |
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 |
CN100452190C (zh) * | 2004-04-23 | 2009-01-14 | 松下电器产业株式会社 | 对焦检测机构、跟踪检测机构以及光盘装置 |
JP4331753B2 (ja) | 2004-06-24 | 2009-09-16 | パナソニック株式会社 | 光ディスク装置および光ディスク装置の集積回路 |
-
2005
- 2005-09-15 JP JP2005267860A patent/JP2007080402A/ja active Pending
-
2006
- 2006-07-19 US US11/488,616 patent/US7933175B2/en not_active Expired - Fee Related
- 2006-08-07 CN CNB2006101106579A patent/CN100444249C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002304750A (ja) * | 2001-04-09 | 2002-10-18 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP2002334476A (ja) * | 2001-05-14 | 2002-11-22 | Konica Corp | 光ピックアップ装置及び記録・再生装置 |
JP2004326936A (ja) * | 2003-04-25 | 2004-11-18 | Hitachi Ltd | 光ディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007080402A (ja) | 2007-03-29 |
CN1932983A (zh) | 2007-03-21 |
US7933175B2 (en) | 2011-04-26 |
US20070177469A1 (en) | 2007-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0717401B1 (en) | Apparatus and method for reproducing data from multilayered disks | |
CN100444249C (zh) | 光盘装置 | |
TW594706B (en) | Optical recording/reproducing apparatus, focusing method thereof, and optical disk recording medium | |
CN1260563A (zh) | 盘片驱动装置 | |
JPWO2005104111A1 (ja) | 共焦点光学系開口位置検出装置、共焦点光学系開口位置制御装置、光ヘッド装置、光情報処理装置および共焦点光学系開口位置検出方法 | |
CN101183538B (zh) | 光盘装置及聚焦控制方法 | |
US7145842B2 (en) | Objective lens moving control method and apparatus | |
EP1262960A2 (en) | Optical disc apparatus having collision preventing means and method for controlling an optical disc apparatus | |
US7876654B2 (en) | Optical disk drive control circuit | |
CN100487804C (zh) | 光盘装置及光盘装置中的半导体装置 | |
CN101866661B (zh) | 光盘装置和对多层盘的聚焦跳跃方法 | |
CN100395830C (zh) | 回放装置和跳层方法 | |
CN102682792B (zh) | 聚焦伺服控制装置以及使用其的信息记录再生装置 | |
CN102148041A (zh) | 控制方法及相关控制电路 | |
CN100407301C (zh) | 光盘记录/再现装置、其聚焦方法、以及光盘记录介质 | |
USRE42067E1 (en) | Method for controlling optical pickup head upon switching from following mode to seeking mode | |
CN101650949B (zh) | 光学存储装置、控制芯片及光头的驱动方法 | |
CN100517475C (zh) | 光盘装置的聚焦伺服恢复处理方法和光盘装置 | |
CN1975884B (zh) | 光盘记录、再现装置及其寻轨控制方法 | |
KR20080032837A (ko) | 고밀도 다층 디스크에 대한 층간 포커스 제어 장치 및 방법 | |
CN100373473C (zh) | 光盘控制装置 | |
CN100447871C (zh) | 光驱跳轨结束时目标轨的循轨误差信号极性判断装置 | |
KR100238278B1 (ko) | 픽업의 대물렌즈 위치 제어장치 | |
CN1670838A (zh) | 光驱跳轨结束时目标轨的循轨误差信号极性判断方法及装置 | |
JPH02103735A (ja) | 光学式情報記録再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20140116 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140116 Address after: Tokyo, Japan Patentee after: Hitachi Consumer Electronics Co.,Ltd. Patentee after: Hitachi LG Data Storage Inc. Address before: Tokyo, Japan Patentee before: Hitachi Manufacturing Co., Ltd. Patentee before: Hitachi LG Data Storage Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20150807 |
|
EXPY | Termination of patent right or utility model |