CN1885417A - 光盘装置 - Google Patents
光盘装置 Download PDFInfo
- Publication number
- CN1885417A CN1885417A CNA2006100758486A CN200610075848A CN1885417A CN 1885417 A CN1885417 A CN 1885417A CN A2006100758486 A CNA2006100758486 A CN A2006100758486A CN 200610075848 A CN200610075848 A CN 200610075848A CN 1885417 A CN1885417 A CN 1885417A
- Authority
- CN
- China
- Prior art keywords
- signal
- aberration correction
- frequency signal
- spherical aberration
- drive
- 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
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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
- G11B7/1392—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
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005181403 | 2005-06-22 | ||
JP2005181403A JP2007004854A (ja) | 2005-06-22 | 2005-06-22 | 光ディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1885417A true CN1885417A (zh) | 2006-12-27 |
CN100466071C CN100466071C (zh) | 2009-03-04 |
Family
ID=37583534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100758486A Expired - Fee Related CN100466071C (zh) | 2005-06-22 | 2006-04-24 | 光盘装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070008836A1 (zh) |
JP (1) | JP2007004854A (zh) |
CN (1) | CN100466071C (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7586698B2 (en) * | 2007-06-21 | 2009-09-08 | Mediatek Inc. | Spherical aberration control method and related apparatus |
JP4603597B2 (ja) * | 2008-05-26 | 2010-12-22 | 株式会社ソニー・コンピュータエンタテインメント | 光ディスク装置、その制御方法、プログラム及び情報記憶媒体 |
US8179754B2 (en) | 2008-05-26 | 2012-05-15 | Sony Computer Entertainment Inc. | Optical disc apparatus, method, and information storage medium for reading information recorded on an optical disc medium |
US20110206101A1 (en) * | 2008-08-12 | 2011-08-25 | Avi Matza | Technique for noise mitigation in xdsl lines |
JP4803235B2 (ja) * | 2008-10-08 | 2011-10-26 | 船井電機株式会社 | 光ピックアップ装置 |
JP2010277674A (ja) * | 2009-04-27 | 2010-12-09 | Sanyo Electric Co Ltd | 光ディスク装置およびレンズ制御方法 |
JP5051178B2 (ja) * | 2009-05-21 | 2012-10-17 | 船井電機株式会社 | 光ディスク装置 |
US8169616B2 (en) * | 2010-02-16 | 2012-05-01 | Agilent Technologies Australia (M) Pty Ltd | Interferometer step scanning systems and methods |
KR101221809B1 (ko) | 2010-11-04 | 2013-01-14 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광정보저장매체 시스템 및 광파워 제어를 위한 신호 생성 방법 |
JP2014086107A (ja) * | 2012-10-23 | 2014-05-12 | Funai Electric Co Ltd | 光ディスク装置、及び光ディスクの再生方法 |
JP2014093116A (ja) * | 2012-11-07 | 2014-05-19 | Funai Electric Co Ltd | レンズ駆動装置及び光ピックアップ |
US10474490B2 (en) * | 2017-06-29 | 2019-11-12 | Advanced Micro Devices, Inc. | Early virtualization context switch for virtualized accelerated processing device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6282521A (ja) * | 1985-10-07 | 1987-04-16 | Canon Inc | 光学系駆動装置 |
JPH05197979A (ja) * | 1991-11-08 | 1993-08-06 | Matsushita Electric Ind Co Ltd | フォーカス制御装置 |
JPH09312026A (ja) * | 1996-05-24 | 1997-12-02 | Olympus Optical Co Ltd | 光ディスク装置のトラッキング制御装置 |
JP3831294B2 (ja) * | 2002-05-21 | 2006-10-11 | 株式会社東芝 | 光ヘッド装置及び光ディスク装置 |
JP4373036B2 (ja) * | 2001-08-31 | 2009-11-25 | パイオニア株式会社 | 光ピックアップ |
US7239595B2 (en) * | 2003-02-03 | 2007-07-03 | Matsushita Electric Industrial Co., Ltd. | Spherical aberration correction control device and optical disc apparatus |
JP3725127B2 (ja) * | 2003-02-12 | 2005-12-07 | 株式会社リコー | チルト補正方法、チルト駆動信号生成回路及びチルト補正装置、並びに光ディスク装置 |
JP4120519B2 (ja) * | 2003-07-25 | 2008-07-16 | 日本ビクター株式会社 | 球面収差補正装置 |
JP4038467B2 (ja) * | 2003-10-15 | 2008-01-23 | 株式会社日立製作所 | 光ピックアップおよび光ディスク装置 |
-
2005
- 2005-06-22 JP JP2005181403A patent/JP2007004854A/ja active Pending
-
2006
- 2006-02-27 US US11/362,169 patent/US20070008836A1/en not_active Abandoned
- 2006-04-24 CN CNB2006100758486A patent/CN100466071C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070008836A1 (en) | 2007-01-11 |
JP2007004854A (ja) | 2007-01-11 |
CN100466071C (zh) | 2009-03-04 |
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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: 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: 20090304 Termination date: 20150424 |
|
EXPY | Termination of patent right or utility model |