JP2005520272A - 三次元記憶媒体から情報を読み出すための方法および装置 - Google Patents
三次元記憶媒体から情報を読み出すための方法および装置 Download PDFInfo
- Publication number
- JP2005520272A JP2005520272A JP2003575375A JP2003575375A JP2005520272A JP 2005520272 A JP2005520272 A JP 2005520272A JP 2003575375 A JP2003575375 A JP 2003575375A JP 2003575375 A JP2003575375 A JP 2003575375A JP 2005520272 A JP2005520272 A JP 2005520272A
- Authority
- JP
- Japan
- Prior art keywords
- storage medium
- signal
- light
- track
- spot
- 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
- 238000000034 method Methods 0.000 title claims abstract description 83
- 230000003287 optical effect Effects 0.000 claims abstract description 87
- 230000004044 response Effects 0.000 claims abstract description 17
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 239000012141 concentrate Substances 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 20
- 230000000737 periodic effect Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 11
- 230000001427 coherent effect Effects 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 238000001069 Raman spectroscopy Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 claims description 3
- 238000012935 Averaging Methods 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical class C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000000069 Raman-induced Kerr effect spectroscopy Methods 0.000 claims 2
- 238000011896 sensitive detection Methods 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 238000013500 data storage Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
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
- G11B7/08—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
-
- 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
- G11B7/0904—Dithered tracking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording layers
-
- 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
-
- 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
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/245—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
- G11B7/2467—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes azo-dyes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Recording Or Reproduction (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36304102P | 2002-03-11 | 2002-03-11 | |
| US10/096,369 US6865142B2 (en) | 2002-03-13 | 2002-03-13 | Method for tracking data in an optical storage medium |
| PCT/IL2003/000199 WO2003077240A2 (en) | 2002-03-11 | 2003-03-11 | Method and apparatus for retrieving information from a 3d storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005520272A true JP2005520272A (ja) | 2005-07-07 |
| JP2005520272A5 JP2005520272A5 (https=) | 2007-01-25 |
Family
ID=27807242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003575375A Pending JP2005520272A (ja) | 2002-03-11 | 2003-03-11 | 三次元記憶媒体から情報を読み出すための方法および装置 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US7269118B2 (https=) |
| EP (2) | EP1488415B1 (https=) |
| JP (1) | JP2005520272A (https=) |
| KR (1) | KR20050074277A (https=) |
| AT (1) | ATE412961T1 (https=) |
| AU (1) | AU2003209660A1 (https=) |
| CA (1) | CA2478419A1 (https=) |
| DE (1) | DE60324398D1 (https=) |
| IL (1) | IL163914A (https=) |
| WO (1) | WO2003077240A2 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060250934A1 (en) * | 2005-04-20 | 2006-11-09 | Mempile Inc. | Three dimensional optical information carrier and a method of manufacturing thereof |
| CN100440332C (zh) * | 2005-06-03 | 2008-12-03 | 清华大学 | 用于双光子三维盘式存储的自动调焦和道跟踪装置和方法 |
| US20090226153A1 (en) * | 2008-03-06 | 2009-09-10 | Alexander Libin | Methods and systems for storing and decoding data |
| FR2960689B1 (fr) | 2010-05-28 | 2013-05-10 | Univ Bordeaux 1 | Procedes d'ecriture et de lecture de donnees par fluorescence sur un support photosensible, support et dispositifs associes. |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2000100A (en) * | 1931-09-19 | 1935-05-07 | John Q Sherman | Transfer material stripper |
| NL8701632A (nl) * | 1987-07-10 | 1989-02-01 | Philips Nv | Systeem voor het optekenen en/of uitlezen van een informatiesignaal, een registratiedrager, een opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem, en een inrichting en werkwijze voor het vervaardigen van een dergelijke registratiedrager. |
| JPH01173323A (ja) * | 1987-12-26 | 1989-07-10 | Toshiba Corp | 情報処理装置 |
| US5268862A (en) | 1989-04-25 | 1993-12-07 | The Regents Of The Unversity Of California | Three-dimensional optical memory |
| US4999810A (en) * | 1989-10-19 | 1991-03-12 | Martin Marietta Energy Systems, Inc. | Surface-enhanced raman optical data storage system |
| US5325342A (en) | 1992-04-08 | 1994-06-28 | Martin Marietta Energy Systems, Inc. | Surface-enhanced raman optical data storage system |
| JP3210090B2 (ja) * | 1992-09-11 | 2001-09-17 | パイオニア株式会社 | 光ディスク再生システム |
| JP3170062B2 (ja) * | 1992-09-25 | 2001-05-28 | パイオニア株式会社 | 光ディスク |
| US5592462A (en) | 1994-12-30 | 1997-01-07 | Beldock; Donald T. | Three-dimensional optical data storage and retrieval |
| US6128267A (en) * | 1996-04-01 | 2000-10-03 | International Business Machines Corporation | Active tracking method for optical disk storage |
| JPH10134372A (ja) | 1996-10-31 | 1998-05-22 | Sony Corp | 再生装置および方法 |
| EP0943141A4 (en) * | 1996-12-05 | 2001-01-17 | Omd Devices Llc | OPTICAL CAPTURE FOR READING MEMORIZED THREE-DIMENSIONAL DATA FROM A FLUORESCENT MULTILAYER OPTICAL DISC |
| US6071671A (en) * | 1996-12-05 | 2000-06-06 | Omd Devices Llc | Fluorescent optical memory |
| JP4104718B2 (ja) * | 1997-04-11 | 2008-06-18 | 富士ゼロックス株式会社 | 光記録方法 |
| US6034929A (en) * | 1998-02-13 | 2000-03-07 | International Business Machines Corporation | System for creating, reading and writing on rotatable information storage media, a method for multi-layer laser source positioning |
| JP3645711B2 (ja) * | 1998-05-27 | 2005-05-11 | 松下電器産業株式会社 | 光ディスク装置および光ディスク制御方法 |
| US6233210B1 (en) | 1998-10-09 | 2001-05-15 | Lsi Logic Corporation | Optical drive error tracking method and apparatus |
| WO2000031733A1 (en) * | 1998-11-25 | 2000-06-02 | Eugen Pavel | Three-dimensional optical memory with fluorescent photosensitive material |
| US7052812B1 (en) * | 1999-04-12 | 2006-05-30 | The Regents Of The University Of California | Three-dimensional optical data storage in fluorescent dye-doped photopolymer |
| US6738322B2 (en) | 1999-07-29 | 2004-05-18 | Research Investment Network, Inc. | Optical data storage system with focus and tracking error correction |
| JP3865564B2 (ja) | 2000-03-27 | 2007-01-10 | パイオニア株式会社 | 光学式情報記録再生装置のトラッキングサーボ装置 |
| IL135309A0 (en) | 2000-03-28 | 2001-05-20 | Ortal Apert | Three-dimensional optical memory |
| DE10039374A1 (de) * | 2000-08-11 | 2002-02-21 | Eml Europ Media Lab Gmbh | Holographischer Datenspeicher |
-
2003
- 2003-03-11 AU AU2003209660A patent/AU2003209660A1/en not_active Abandoned
- 2003-03-11 US US10/507,101 patent/US7269118B2/en not_active Expired - Fee Related
- 2003-03-11 CA CA002478419A patent/CA2478419A1/en not_active Abandoned
- 2003-03-11 EP EP03743973A patent/EP1488415B1/en not_active Expired - Lifetime
- 2003-03-11 DE DE60324398T patent/DE60324398D1/de not_active Expired - Lifetime
- 2003-03-11 AT AT03743973T patent/ATE412961T1/de not_active IP Right Cessation
- 2003-03-11 EP EP08018792A patent/EP2045804A1/en not_active Withdrawn
- 2003-03-11 JP JP2003575375A patent/JP2005520272A/ja active Pending
- 2003-03-11 KR KR1020047014179A patent/KR20050074277A/ko not_active Ceased
- 2003-03-11 WO PCT/IL2003/000199 patent/WO2003077240A2/en not_active Ceased
-
2004
- 2004-09-06 IL IL163914A patent/IL163914A/en not_active IP Right Cessation
-
2007
- 2007-09-07 US US11/852,103 patent/US20070297316A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20050162996A1 (en) | 2005-07-28 |
| EP1488415A2 (en) | 2004-12-22 |
| KR20050074277A (ko) | 2005-07-18 |
| EP1488415B1 (en) | 2008-10-29 |
| CA2478419A1 (en) | 2003-09-18 |
| AU2003209660A1 (en) | 2003-09-22 |
| WO2003077240A3 (en) | 2004-01-15 |
| DE60324398D1 (de) | 2008-12-11 |
| ATE412961T1 (de) | 2008-11-15 |
| WO2003077240B1 (en) | 2004-03-25 |
| WO2003077240A2 (en) | 2003-09-18 |
| IL163914A (en) | 2010-05-17 |
| EP2045804A1 (en) | 2009-04-08 |
| US7269118B2 (en) | 2007-09-11 |
| US20070297316A1 (en) | 2007-12-27 |
| IL163914A0 (en) | 2005-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080056095A1 (en) | Multi-layered disc and multi-layered disc reproducing apparatus | |
| KR100756299B1 (ko) | 광기록재생장치, 광헤드장치, 광디스크드라이브장치 및그것에 있어서의 트래킹제어방법, 및 광디스크 | |
| JPH11134675A (ja) | 光ピックアップ装置および情報記録再生装置 | |
| US20070297316A1 (en) | Method and apparatus for retrieving information from a 3d storage medium | |
| CN1311431C (zh) | 信息记录方法和信息记录装置 | |
| US5260930A (en) | Optical information recording medium and reproducing apparatus for reproducing information from the medium | |
| US8737181B2 (en) | Optical recording medium, recording/reproducing apparatus, recording/reproducing method | |
| JP2000276743A (ja) | 光磁気ディスクの記録再生方法及び記録再生装置 | |
| KR101013765B1 (ko) | 광 픽업장치 및 광 디스크장치와 광 기록 또는 재생 방법 | |
| JPS62174638A (ja) | 光記録媒体製造検査装置 | |
| JPH11273083A (ja) | 光ディスク装置 | |
| JP4520906B2 (ja) | タンジェンシャルチルト検出装置および光ディスク装置 | |
| JP2966612B2 (ja) | 情報再生装置 | |
| JP2006343368A (ja) | 記録方法、再生方法、光ピックアップ装置、光情報記録装置及び光情報再生装置 | |
| US20070002704A1 (en) | Optical head and optical disc apparatus | |
| JPS5873024A (ja) | 光学式情報処理装置 | |
| WO2005024816A1 (ja) | 光磁気情報記録媒体の熱処理判定方法および熱処理判定装置 | |
| JPS63282930A (ja) | 情報処理装置 | |
| JP2007087570A (ja) | 角度多重されたピットを読み出す方法及びデバイス | |
| JP2000090450A (ja) | フォーカスバイアス設定装置 | |
| JP2003168231A (ja) | 光ディスク装置及びディスクチルト検出方法 | |
| JPS60256928A (ja) | 光学情報記録再生装置 | |
| JP2004022008A (ja) | 光記録媒体の傾斜量検出装置およびそれを備える光ピックアップ装置 | |
| JPH117652A (ja) | 光学記録媒体のドライブ装置 | |
| KR20050094230A (ko) | 광 기록 및 재생장치에서의 틸트 측정 장치 및 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7426 Effective date: 20050511 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20050511 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060310 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060310 |
|
| A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20061129 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080512 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080909 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20081201 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20081208 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090306 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090714 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20091001 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20091008 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100309 |