DE602005015350D1 - Optische abtastvorrichtung - Google Patents
Optische abtastvorrichtungInfo
- Publication number
- DE602005015350D1 DE602005015350D1 DE602005015350T DE602005015350T DE602005015350D1 DE 602005015350 D1 DE602005015350 D1 DE 602005015350D1 DE 602005015350 T DE602005015350 T DE 602005015350T DE 602005015350 T DE602005015350 T DE 602005015350T DE 602005015350 D1 DE602005015350 D1 DE 602005015350D1
- Authority
- DE
- Germany
- Prior art keywords
- radiation beam
- sensing device
- optical sensing
- light path
- information layer
- 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.)
- Active
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
- G11B7/12—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
-
- 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
- G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
-
- 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
- G11B7/1362—Mirrors
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
-
- 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
- G11B7/12—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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Head (AREA)
- Laser Beam Printer (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04300605 | 2004-09-16 | ||
PCT/IB2005/052979 WO2006030371A1 (en) | 2004-09-16 | 2005-09-12 | Optical scanning device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005015350D1 true DE602005015350D1 (de) | 2009-08-20 |
Family
ID=35295694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005015350T Active DE602005015350D1 (de) | 2004-09-16 | 2005-09-12 | Optische abtastvorrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US7881165B2 (de) |
EP (1) | EP1805756B1 (de) |
JP (1) | JP2008513920A (de) |
KR (1) | KR20070057935A (de) |
CN (1) | CN101023476B (de) |
AT (1) | ATE436071T1 (de) |
DE (1) | DE602005015350D1 (de) |
TW (1) | TW200625295A (de) |
WO (1) | WO2006030371A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102540457B (zh) * | 2011-11-24 | 2014-06-25 | 无锡微奥科技有限公司 | 一种微镜图形扫描机构 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9002841A (nl) * | 1990-12-21 | 1992-07-16 | Philips Nv | Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting. |
US5202875A (en) * | 1991-06-04 | 1993-04-13 | International Business Machines Corporation | Multiple data surface optical data storage system |
DE4301827A1 (de) * | 1993-01-23 | 1994-07-28 | Thomson Brandt Gmbh | Eliminieren von Abtaststörungen |
JPH08212611A (ja) * | 1995-02-01 | 1996-08-20 | Asahi Optical Co Ltd | 波面収差補正装置および光情報記録再生装置 |
WO1996030795A1 (de) | 1995-03-31 | 1996-10-03 | Frank Gallert | Aplanatisches und anastigmatisches spiegelsystem |
JPH10188319A (ja) | 1996-12-26 | 1998-07-21 | Sharp Corp | 変形可能ミラーおよびその変形可能ミラーを用いた光記録再生装置 |
JPH10208277A (ja) * | 1997-01-29 | 1998-08-07 | Sharp Corp | 光ピックアップ装置 |
JPH10255307A (ja) * | 1997-03-13 | 1998-09-25 | Pioneer Electron Corp | 多焦点光ビーム生成装置、多焦点ピックアップ及び情報再生装置 |
JP3552873B2 (ja) * | 1997-03-18 | 2004-08-11 | シャープ株式会社 | 変形可能ミラー |
TW342493B (en) | 1997-04-29 | 1998-10-11 | Ind Tech Res Inst | Digital video disc (DVD) optical head with dual-wavelength laser |
JPH11250485A (ja) * | 1998-02-27 | 1999-09-17 | Sharp Corp | 光ピックアップ装置 |
JP2001216662A (ja) * | 2000-02-01 | 2001-08-10 | Pioneer Electronic Corp | ピックアップ装置及び情報記録再生装置 |
EP2264707A3 (de) * | 2000-05-12 | 2012-03-07 | Konica Minolta Opto, Inc. | Optische Lesekopfvorrichtung |
JP4085812B2 (ja) * | 2000-09-06 | 2008-05-14 | 株式会社日立製作所 | 光ヘッドおよび光ディスク装置 |
KR100863850B1 (ko) | 2001-01-30 | 2008-10-15 | 마츠시타 덴끼 산교 가부시키가이샤 | 가변형 미러와 당해 가변형 미러를 구비한 정보 장치 및 보상 광학 장치 |
JP4088472B2 (ja) * | 2001-04-12 | 2008-05-21 | 松下電器産業株式会社 | 光ディスク装置 |
US7006411B2 (en) * | 2001-06-13 | 2006-02-28 | Ricoh Company, Ltd. | Optical pickup unit having electro-optical element and information recording and reproduction apparatus |
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 |
JP2003157567A (ja) | 2001-11-20 | 2003-05-30 | Olympus Optical Co Ltd | 光ピックアップ用変形可能ミラー |
AU2002353277A1 (en) | 2001-12-06 | 2003-06-17 | Koninklijke Philips Electronics N.V. | Optical scanning device |
JP2004062953A (ja) * | 2002-07-25 | 2004-02-26 | Pioneer Electronic Corp | ピックアップ装置 |
US20040170109A1 (en) * | 2003-02-28 | 2004-09-02 | Matsushita Electric Industrial Co., Ltd. | Optical pickup |
JP2005196842A (ja) * | 2004-01-05 | 2005-07-21 | Funai Electric Co Ltd | 光ピックアップ装置 |
-
2005
- 2005-09-12 AT AT05782789T patent/ATE436071T1/de not_active IP Right Cessation
- 2005-09-12 JP JP2007531908A patent/JP2008513920A/ja active Pending
- 2005-09-12 WO PCT/IB2005/052979 patent/WO2006030371A1/en active Application Filing
- 2005-09-12 EP EP05782789A patent/EP1805756B1/de not_active Not-in-force
- 2005-09-12 DE DE602005015350T patent/DE602005015350D1/de active Active
- 2005-09-12 US US11/575,139 patent/US7881165B2/en not_active Expired - Fee Related
- 2005-09-12 CN CN2005800311921A patent/CN101023476B/zh not_active Expired - Fee Related
- 2005-09-12 KR KR1020077008292A patent/KR20070057935A/ko not_active Application Discontinuation
- 2005-09-13 TW TW094131499A patent/TW200625295A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2008513920A (ja) | 2008-05-01 |
US20080316901A1 (en) | 2008-12-25 |
ATE436071T1 (de) | 2009-07-15 |
EP1805756A1 (de) | 2007-07-11 |
US7881165B2 (en) | 2011-02-01 |
WO2006030371A1 (en) | 2006-03-23 |
TW200625295A (en) | 2006-07-16 |
CN101023476B (zh) | 2010-12-08 |
EP1805756B1 (de) | 2009-07-08 |
CN101023476A (zh) | 2007-08-22 |
KR20070057935A (ko) | 2007-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |