AU2002365733A1 - Optical scanning device - Google Patents
Optical scanning deviceInfo
- Publication number
- AU2002365733A1 AU2002365733A1 AU2002365733A AU2002365733A AU2002365733A1 AU 2002365733 A1 AU2002365733 A1 AU 2002365733A1 AU 2002365733 A AU2002365733 A AU 2002365733A AU 2002365733 A AU2002365733 A AU 2002365733A AU 2002365733 A1 AU2002365733 A1 AU 2002365733A1
- 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
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- 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
- G11B7/1392—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
- 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)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204786 | 2001-12-07 | ||
EP01204786.6 | 2001-12-07 | ||
PCT/IB2002/005238 WO2003049095A2 (en) | 2001-12-07 | 2002-12-05 | Optical scanning device |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2002365733A8 AU2002365733A8 (en) | 2003-06-17 |
AU2002365733A1 true AU2002365733A1 (en) | 2003-06-17 |
Family
ID=8181395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002365733A Abandoned AU2002365733A1 (en) | 2001-12-07 | 2002-12-05 | Optical scanning device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1459307A2 (en) |
JP (1) | JP2005512255A (en) |
KR (1) | KR20040071703A (en) |
AU (1) | AU2002365733A1 (en) |
WO (1) | WO2003049095A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050074514A (en) * | 2002-11-01 | 2005-07-18 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Optical scanning device |
WO2004084188A2 (en) * | 2003-03-20 | 2004-09-30 | Koninklijke Philips Electronics N.V. | Optical scanning device |
JP2005122828A (en) * | 2003-10-16 | 2005-05-12 | Pioneer Electronic Corp | Optical pickup device and optically recorded medium reproducing device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09306013A (en) * | 1996-05-17 | 1997-11-28 | Olympus Optical Co Ltd | Optical pickup |
JPH10334504A (en) * | 1997-05-29 | 1998-12-18 | Nec Corp | Optical head device |
JPH1116194A (en) * | 1997-06-24 | 1999-01-22 | Nec Corp | Optical head device |
EP1126291B1 (en) * | 1999-08-26 | 2004-10-27 | Asahi Glass Company Ltd. | Phase shifter and optical head device mounted with the same |
TW451072B (en) * | 1999-09-30 | 2001-08-21 | Koninkl Philips Electronics Nv | Optical scanning device |
JP4296662B2 (en) * | 1999-11-30 | 2009-07-15 | 旭硝子株式会社 | Optical head device |
JP4474706B2 (en) * | 1999-12-15 | 2010-06-09 | 旭硝子株式会社 | Optical head device |
EP1179212A2 (en) * | 1999-12-24 | 2002-02-13 | Koninklijke Philips Electronics N.V. | Optical scanning head |
JP2001318231A (en) * | 2000-02-29 | 2001-11-16 | Asahi Glass Co Ltd | Polarization phase compensating element and optical head device |
-
2002
- 2002-12-05 EP EP02804330A patent/EP1459307A2/en not_active Withdrawn
- 2002-12-05 WO PCT/IB2002/005238 patent/WO2003049095A2/en active Application Filing
- 2002-12-05 JP JP2003550209A patent/JP2005512255A/en active Pending
- 2002-12-05 AU AU2002365733A patent/AU2002365733A1/en not_active Abandoned
- 2002-12-05 KR KR10-2004-7008627A patent/KR20040071703A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1459307A2 (en) | 2004-09-22 |
WO2003049095A2 (en) | 2003-06-12 |
AU2002365733A8 (en) | 2003-06-17 |
JP2005512255A (en) | 2005-04-28 |
WO2003049095A3 (en) | 2003-11-06 |
KR20040071703A (en) | 2004-08-12 |
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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 |