AU2002347498A1 - Optical scanning device - Google Patents
Optical scanning deviceInfo
- Publication number
- AU2002347498A1 AU2002347498A1 AU2002347498A AU2002347498A AU2002347498A1 AU 2002347498 A1 AU2002347498 A1 AU 2002347498A1 AU 2002347498 A AU2002347498 A AU 2002347498A AU 2002347498 A AU2002347498 A AU 2002347498A AU 2002347498 A1 AU2002347498 A1 AU 2002347498A1
- Authority
- AU
- Australia
- Prior art keywords
- scanning device
- optical scanning
- optical
- scanning
- 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.)
- Abandoned
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
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/1374—Objective lenses
-
- 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
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204700.7 | 2001-12-05 | ||
EP01204700 | 2001-12-05 | ||
PCT/IB2002/004960 WO2003048834A2 (en) | 2001-12-05 | 2002-11-21 | Optical scanning device |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2002347498A8 AU2002347498A8 (en) | 2003-06-17 |
AU2002347498A1 true AU2002347498A1 (en) | 2003-06-17 |
Family
ID=8181364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002347498A Abandoned AU2002347498A1 (en) | 2001-12-05 | 2002-11-21 | Optical scanning device |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1459120A2 (en) |
JP (1) | JP2005512253A (en) |
KR (1) | KR20040068176A (en) |
CN (1) | CN1276418C (en) |
AU (1) | AU2002347498A1 (en) |
WO (1) | WO2003048834A2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4507536B2 (en) * | 2003-09-04 | 2010-07-21 | パナソニック株式会社 | Optical pickup device |
US7301864B2 (en) | 2003-07-07 | 2007-11-27 | Matsushita Electric Industrial Co., Ltd. | Objective lens, optical pick-up device, and optical disk device |
US20090268586A1 (en) * | 2005-10-04 | 2009-10-29 | Kazuhiro Wada | Objective Lens Unit and Optical Pickup Apparatus |
WO2008111380A1 (en) * | 2007-03-15 | 2008-09-18 | Konica Minolta Opto, Inc. | Optical element for optical pickup device, and optical pickup device |
JPWO2008117640A1 (en) * | 2007-03-27 | 2010-07-15 | コニカミノルタオプト株式会社 | Lens unit for optical pickup device and optical pickup device |
WO2008117587A1 (en) * | 2007-03-28 | 2008-10-02 | Konica Minolta Opto, Inc. | Optical element for optical pickup device and optical pickup device |
JPWO2008120594A1 (en) * | 2007-03-29 | 2010-07-15 | コニカミノルタオプト株式会社 | Lens unit for optical pickup device and optical pickup device |
JP4342568B2 (en) * | 2007-04-13 | 2009-10-14 | 三洋電機株式会社 | Optical pickup device and optical disk device |
JP4905278B2 (en) * | 2007-07-19 | 2012-03-28 | ソニー株式会社 | Optical pickup device and optical disk device using the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0963083A (en) * | 1995-08-22 | 1997-03-07 | Toshiba Corp | Objective lens driving device |
JP3336829B2 (en) * | 1995-10-18 | 2002-10-21 | セイコーエプソン株式会社 | Compound objective lens |
JPH09230111A (en) * | 1996-02-21 | 1997-09-05 | Sharp Corp | Integrally molded lens and pickup having the same, metal mold for molding lens as well as method for adjusting pickup |
JPH09306012A (en) * | 1996-05-17 | 1997-11-28 | Matsushita Electric Ind Co Ltd | Object lens |
JPH10275356A (en) * | 1997-03-31 | 1998-10-13 | Mitsumi Electric Co Ltd | Lens for optical head |
JP2000090472A (en) * | 1998-09-11 | 2000-03-31 | Ricoh Co Ltd | Optical pickup head |
JP2001067700A (en) * | 1999-09-01 | 2001-03-16 | Sony Corp | Optical head and optical disk drive assembly |
-
2002
- 2002-11-21 WO PCT/IB2002/004960 patent/WO2003048834A2/en active Application Filing
- 2002-11-21 EP EP02783432A patent/EP1459120A2/en not_active Withdrawn
- 2002-11-21 CN CNB028242327A patent/CN1276418C/en not_active Expired - Fee Related
- 2002-11-21 JP JP2003549970A patent/JP2005512253A/en active Pending
- 2002-11-21 AU AU2002347498A patent/AU2002347498A1/en not_active Abandoned
- 2002-11-21 KR KR10-2004-7008391A patent/KR20040068176A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2005512253A (en) | 2005-04-28 |
CN1599928A (en) | 2005-03-23 |
AU2002347498A8 (en) | 2003-06-17 |
KR20040068176A (en) | 2004-07-30 |
EP1459120A2 (en) | 2004-09-22 |
WO2003048834A3 (en) | 2003-10-02 |
CN1276418C (en) | 2006-09-20 |
WO2003048834A2 (en) | 2003-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |