CN101366085A - 用于在/从多层光盘上写/读的光学阅读设备 - Google Patents
用于在/从多层光盘上写/读的光学阅读设备 Download PDFInfo
- Publication number
- CN101366085A CN101366085A CNA028161602A CN02816160A CN101366085A CN 101366085 A CN101366085 A CN 101366085A CN A028161602 A CNA028161602 A CN A028161602A CN 02816160 A CN02816160 A CN 02816160A CN 101366085 A CN101366085 A CN 101366085A
- Authority
- CN
- China
- Prior art keywords
- optical
- reading
- layer
- writing
- carrier
- 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.)
- Pending
Links
Images
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
- 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
- G11B7/1365—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
- 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)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30005501P | 2001-06-25 | 2001-06-25 | |
| US60/300,055 | 2001-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101366085A true CN101366085A (zh) | 2009-02-11 |
Family
ID=23157510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA028161602A Pending CN101366085A (zh) | 2001-06-25 | 2002-06-25 | 用于在/从多层光盘上写/读的光学阅读设备 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1579429A2 (fr) |
| JP (1) | JP2005508559A (fr) |
| CN (1) | CN101366085A (fr) |
| AU (1) | AU2002315429A1 (fr) |
| WO (1) | WO2003001512A2 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102146842B1 (ko) | 2011-06-09 | 2020-08-24 | 케이스 웨스턴 리저브 유니버시티 | 광학적 정보 스토리지 매체 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5835458A (en) * | 1994-09-09 | 1998-11-10 | Gemfire Corporation | Solid state optical data reader using an electric field for routing control |
| US6044056A (en) * | 1996-07-30 | 2000-03-28 | Seagate Technology, Inc. | Flying optical head with dynamic mirror |
| US6246650B1 (en) * | 1996-12-18 | 2001-06-12 | Sony Corporation | Method and apparatus for high speed data reproduction |
-
2002
- 2002-06-25 JP JP2003507811A patent/JP2005508559A/ja active Pending
- 2002-06-25 CN CNA028161602A patent/CN101366085A/zh active Pending
- 2002-06-25 EP EP02742281A patent/EP1579429A2/fr not_active Withdrawn
- 2002-06-25 WO PCT/US2002/019979 patent/WO2003001512A2/fr not_active Ceased
- 2002-06-25 AU AU2002315429A patent/AU2002315429A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003001512A2 (fr) | 2003-01-03 |
| AU2002315429A8 (en) | 2008-11-20 |
| AU2002315429A1 (en) | 2003-01-08 |
| WO2003001512A3 (fr) | 2008-10-23 |
| JP2005508559A (ja) | 2005-03-31 |
| EP1579429A2 (fr) | 2005-09-28 |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090211 |