CN101556808A - 光头和光盘装置 - Google Patents
光头和光盘装置 Download PDFInfo
- Publication number
- CN101556808A CN101556808A CNA2009101331439A CN200910133143A CN101556808A CN 101556808 A CN101556808 A CN 101556808A CN A2009101331439 A CNA2009101331439 A CN A2009101331439A CN 200910133143 A CN200910133143 A CN 200910133143A CN 101556808 A CN101556808 A CN 101556808A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- light
- optical
- light beam
- optical path
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
-
- 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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
-
- 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
- G11B7/1359—Single prisms
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1367—Stepped phase plates
-
- 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
- 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)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008103010 | 2008-04-11 | ||
JP2008103010A JP5153424B2 (ja) | 2008-04-11 | 2008-04-11 | 光ヘッド及び光ディスク装置 |
JP2008-103010 | 2008-04-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101556808A true CN101556808A (zh) | 2009-10-14 |
CN101556808B CN101556808B (zh) | 2011-05-11 |
Family
ID=41174890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101331439A Expired - Fee Related CN101556808B (zh) | 2008-04-11 | 2009-04-09 | 光头和光盘装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8098548B2 (zh) |
JP (1) | JP5153424B2 (zh) |
CN (1) | CN101556808B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8023390B2 (en) * | 2007-02-23 | 2011-09-20 | Hitachi, Ltd. | Optical head and optical disk device |
JP5261115B2 (ja) * | 2008-02-29 | 2013-08-14 | 三洋電機株式会社 | ピックアップ装置 |
JP5452040B2 (ja) * | 2009-03-13 | 2014-03-26 | 日立コンシューマエレクトロニクス株式会社 | 光学的情報再生方法、光ヘッドおよび光ディスク装置 |
JP5309008B2 (ja) * | 2009-12-15 | 2013-10-09 | 日立コンシューマエレクトロニクス株式会社 | 光情報記録再生装置および光情報再生装置 |
JP5409479B2 (ja) * | 2010-03-29 | 2014-02-05 | 日立コンシューマエレクトロニクス株式会社 | 光情報再生装置、光情報記録装置及び情報記録方法 |
JP2012018709A (ja) * | 2010-07-06 | 2012-01-26 | Hitachi Consumer Electronics Co Ltd | 光ヘッドおよび光ディスク装置 |
JP5487085B2 (ja) | 2010-11-25 | 2014-05-07 | 日立コンシューマエレクトロニクス株式会社 | 情報記録方法、情報再生方法及び光ディスク装置 |
JP5507482B2 (ja) | 2011-02-23 | 2014-05-28 | 日立コンシューマエレクトロニクス株式会社 | 再生信号評価方法、情報記録再生方法、及び情報記録再生装置 |
JP5994186B2 (ja) * | 2011-06-17 | 2016-09-21 | パナソニックIpマネジメント株式会社 | 変調信号検出装置及び変調信号検出方法 |
WO2013011603A1 (ja) * | 2011-07-15 | 2013-01-24 | 日立コンシューマエレクトロニクス株式会社 | 情報記録媒体及び情報再生装置 |
US9042002B2 (en) | 2011-08-30 | 2015-05-26 | Panasonic Intellectual Property Management Co., Ltd. | Modulated signal detecting apparatus and modulated signal detecting method |
JP6167405B2 (ja) * | 2012-04-02 | 2017-07-26 | パナソニックIpマネジメント株式会社 | 光ピックアップ及び光ディスク装置 |
JP5785913B2 (ja) * | 2012-07-30 | 2015-09-30 | 日立コンシューマエレクトロニクス株式会社 | 光情報再生装置 |
US9964745B2 (en) * | 2012-08-31 | 2018-05-08 | Nikon Corporation | Compact laser radar corner cube |
WO2014188532A1 (ja) * | 2013-05-22 | 2014-11-27 | 日立コンシューマエレクトロニクス株式会社 | 光情報再生装置 |
JP2015028823A (ja) * | 2013-07-30 | 2015-02-12 | ソニー株式会社 | 再生装置および再生方法 |
JP6930791B2 (ja) * | 2016-09-30 | 2021-09-01 | ソニーセミコンダクタソリューションズ株式会社 | 再生装置及び再生方法 |
WO2023230153A1 (en) * | 2022-05-26 | 2023-11-30 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Polarization compensation for corner cube reflector |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0834003B2 (ja) * | 1990-03-08 | 1996-03-29 | 直弘 丹野 | 光導波路記憶媒体及び光再生装置 |
JP3057903B2 (ja) | 1992-06-04 | 2000-07-04 | 株式会社日立製作所 | 光磁気ディスク装置 |
JP3222939B2 (ja) | 1992-08-24 | 2001-10-29 | 三洋電機株式会社 | 光学的情報の再生方法及び装置 |
JPH06223433A (ja) | 1993-01-29 | 1994-08-12 | Nippon Hoso Kyokai <Nhk> | 光磁気信号の検出方法および装置 |
US5883875A (en) * | 1997-09-02 | 1999-03-16 | International Business Machines Corporation | Short coherent-length optical tomograph for high density volume optical data storage devices |
TW451072B (en) * | 1999-09-30 | 2001-08-21 | Koninkl Philips Electronics Nv | Optical scanning device |
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 |
CN1299274C (zh) * | 2002-10-02 | 2007-02-07 | 松下电器产业株式会社 | 光盘装置 |
JP4464830B2 (ja) * | 2002-12-03 | 2010-05-19 | パナソニック株式会社 | 光ヘッド装置、光記録装置及び光記録方法 |
JP3855977B2 (ja) * | 2003-07-16 | 2006-12-13 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
JP4383224B2 (ja) * | 2004-03-31 | 2009-12-16 | 三洋電機株式会社 | 光ピックアップ |
JP4260062B2 (ja) * | 2004-05-14 | 2009-04-30 | 三洋電機株式会社 | 光ピックアップ装置 |
JP2007317284A (ja) * | 2006-05-25 | 2007-12-06 | Hitachi Ltd | 光ディスク装置 |
JP4641981B2 (ja) * | 2006-07-21 | 2011-03-02 | 富士フイルム株式会社 | 光記録方法及び光記録装置、並びに、光記録媒体、光再生方法及び光再生装置 |
JP4564948B2 (ja) * | 2006-09-11 | 2010-10-20 | 株式会社日立製作所 | 光情報検出方法、光ヘッド及び光ディスク装置 |
JP4861948B2 (ja) * | 2007-02-23 | 2012-01-25 | 株式会社日立製作所 | 光ヘッドおよび光ディスク装置 |
WO2009022788A1 (en) * | 2007-08-13 | 2009-02-19 | Samsung Electronics Co., Ltd. | Holographic information storage medium, and method and apparatus for recording/reproducing holographic information using the same |
JP5171219B2 (ja) * | 2007-11-15 | 2013-03-27 | 三洋電機株式会社 | 光ピックアップ装置および光再生装置 |
JP5081763B2 (ja) * | 2008-08-13 | 2012-11-28 | 株式会社日立メディアエレクトロニクス | 光情報検出方法、光ピックアップ及び光情報記録再生装置 |
-
2008
- 2008-04-11 JP JP2008103010A patent/JP5153424B2/ja not_active Expired - Fee Related
-
2009
- 2009-04-07 US US12/419,421 patent/US8098548B2/en not_active Expired - Fee Related
- 2009-04-09 CN CN2009101331439A patent/CN101556808B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP5153424B2 (ja) | 2013-02-27 |
US20090316539A1 (en) | 2009-12-24 |
JP2009252337A (ja) | 2009-10-29 |
US8098548B2 (en) | 2012-01-17 |
CN101556808B (zh) | 2011-05-11 |
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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: 20130814 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130814 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: 20110511 Termination date: 20200409 |