CN1932991A - 光盘装置 - Google Patents
光盘装置 Download PDFInfo
- Publication number
- CN1932991A CN1932991A CNA2006101106583A CN200610110658A CN1932991A CN 1932991 A CN1932991 A CN 1932991A CN A2006101106583 A CNA2006101106583 A CN A2006101106583A CN 200610110658 A CN200610110658 A CN 200610110658A CN 1932991 A CN1932991 A CN 1932991A
- Authority
- CN
- China
- Prior art keywords
- lens
- driver part
- control assembly
- acceleration
- optical disc
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
-
- 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
- G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
-
- 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
- G11B7/0956—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 to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005267859A JP4918766B2 (ja) | 2005-09-15 | 2005-09-15 | 光ディスク装置 |
JP2005267859 | 2005-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1932991A true CN1932991A (zh) | 2007-03-21 |
CN100461277C CN100461277C (zh) | 2009-02-11 |
Family
ID=37854956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101106583A Expired - Fee Related CN100461277C (zh) | 2005-09-15 | 2006-08-07 | 光盘装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7693017B2 (zh) |
JP (1) | JP4918766B2 (zh) |
CN (1) | CN100461277C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008287775A (ja) * | 2007-05-16 | 2008-11-27 | Hitachi Ltd | 光ディスク装置 |
JP4784557B2 (ja) * | 2007-05-29 | 2011-10-05 | 株式会社日立製作所 | ディスク装置 |
JP2008305488A (ja) * | 2007-06-07 | 2008-12-18 | Panasonic Corp | 光ピックアップ及び光ディスクドライブ |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH076372A (ja) | 1993-06-21 | 1995-01-10 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置およびそのフォーカス制御方法 |
JP3429824B2 (ja) * | 1993-11-05 | 2003-07-28 | 株式会社リコー | 光ディスク装置 |
JPH11185363A (ja) * | 1997-10-16 | 1999-07-09 | Sony Corp | 光ディスク装置、対物レンズの駆動制御方法及び光学ヘッドの制御方法 |
JPH11296990A (ja) * | 1998-04-07 | 1999-10-29 | Sanyo Electric Co Ltd | ディスク再生装置 |
JP2001134954A (ja) * | 1999-11-02 | 2001-05-18 | Sony Corp | 光ディスク装置およびカートリッジ |
US6529468B2 (en) * | 1999-12-17 | 2003-03-04 | Matsushita Electric Industrial Co., Ltd. | Optical disk driving device having a clamper for correcting warpage of an optical disk |
JP2001307341A (ja) * | 2000-04-24 | 2001-11-02 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP4012677B2 (ja) * | 2000-09-20 | 2007-11-21 | 富士通株式会社 | データリード方法及び記憶装置 |
US7095685B2 (en) * | 2001-01-25 | 2006-08-22 | Dphi Acquisitions, Inc. | System and method for detecting and recovering from an off-format state in an optical disc drive |
KR100532763B1 (ko) * | 2001-04-20 | 2005-12-01 | 마쯔시다덴기산교 가부시키가이샤 | 광디스크 장치 |
JP2003030866A (ja) * | 2001-07-13 | 2003-01-31 | Hitachi Ltd | 光ディスク装置 |
JP3927438B2 (ja) * | 2001-12-06 | 2007-06-06 | 富士通株式会社 | 光学的記憶装置及び光学装置 |
JP2004158147A (ja) | 2002-11-08 | 2004-06-03 | Hitachi Ltd | 光ピックアップ装置及びそれを用いた光ディスク装置 |
JP4061492B2 (ja) * | 2003-02-10 | 2008-03-19 | ソニー株式会社 | 情報処理装置および消費電力制御方法 |
JP2004327010A (ja) * | 2003-04-09 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP2004310936A (ja) * | 2003-04-09 | 2004-11-04 | Sony Corp | 光ディスク装置、対物レンズ位置制御方法 |
JP2005243100A (ja) * | 2004-02-25 | 2005-09-08 | Matsushita Electric Ind Co Ltd | ディスク記録制御方法およびディスク記録制御装置 |
JP2006079783A (ja) * | 2004-09-13 | 2006-03-23 | Sony Corp | ディスクドライブ装置、対物レンズ制御方法 |
-
2005
- 2005-09-15 JP JP2005267859A patent/JP4918766B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-25 US US11/493,232 patent/US7693017B2/en not_active Expired - Fee Related
- 2006-08-07 CN CNB2006101106583A patent/CN100461277C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7693017B2 (en) | 2010-04-06 |
JP2007080401A (ja) | 2007-03-29 |
US20070058509A1 (en) | 2007-03-15 |
JP4918766B2 (ja) | 2012-04-18 |
CN100461277C (zh) | 2009-02-11 |
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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: 20130821 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130821 Address after: Tokyo, Japan Patentee after: Hitachi Consumer Electronics Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Manufacturing Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20160807 |