AU2002351079A1 - Optical scanning device - Google Patents
Optical scanning deviceInfo
- Publication number
- AU2002351079A1 AU2002351079A1 AU2002351079A AU2002351079A AU2002351079A1 AU 2002351079 A1 AU2002351079 A1 AU 2002351079A1 AU 2002351079 A AU2002351079 A AU 2002351079A AU 2002351079 A AU2002351079 A AU 2002351079A AU 2002351079 A1 AU2002351079 A1 AU 2002351079A1
- 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
- G11B7/08—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
- G11B7/0901—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 for track following only
-
- 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
- G11B7/0908—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 for focusing only
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Liquid Crystal (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204610.8 | 2001-11-29 | ||
EP01204610 | 2001-11-29 | ||
PCT/IB2002/005082 WO2003046897A2 (en) | 2001-11-29 | 2002-11-29 | Optical scanning device |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2002351079A1 true AU2002351079A1 (en) | 2003-06-10 |
AU2002351079A8 AU2002351079A8 (en) | 2003-06-10 |
Family
ID=8181329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002351079A Abandoned AU2002351079A1 (en) | 2001-11-29 | 2002-11-29 | Optical scanning device |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2002351079A1 (en) |
WO (1) | WO2003046897A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090083492A (en) * | 2005-06-20 | 2009-08-03 | 니폰덴신뎅와 가부시키가이샤 | Optical strenght modulator |
JP4994826B2 (en) * | 2006-12-25 | 2012-08-08 | オリンパス株式会社 | Laser microscope |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3788639T2 (en) * | 1986-08-25 | 1994-07-28 | Hughes Aircraft Co | METHOD AND DEVICE FOR DEFLECTING LIGHTS. |
US4801184A (en) * | 1987-06-15 | 1989-01-31 | Eastman Kodak Company | Integrated optical read/write head and apparatus incorporating same |
JP2706324B2 (en) * | 1989-08-04 | 1998-01-28 | パイオニア株式会社 | Light head |
US5291567A (en) * | 1992-07-21 | 1994-03-01 | Eastman Kodak Company | Electro-optic waveguide deflector using a nonlinear optic film or liquid-crystal overlay cell for use in an optical pickup head |
DE4326196C2 (en) * | 1993-08-04 | 1997-05-22 | Fraunhofer Ges Forschung | Planar electro-optical light beam deflector and method for its production |
JPH0764123A (en) * | 1993-08-20 | 1995-03-10 | Internatl Business Mach Corp <Ibm> | Distributed-refractive-index type light deflector and method of optical deflection |
-
2002
- 2002-11-29 AU AU2002351079A patent/AU2002351079A1/en not_active Abandoned
- 2002-11-29 WO PCT/IB2002/005082 patent/WO2003046897A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2003046897A3 (en) | 2004-02-05 |
WO2003046897A2 (en) | 2003-06-05 |
AU2002351079A8 (en) | 2003-06-10 |
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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 |