CA2738278A1 - System and method for improved data storage - Google Patents
System and method for improved data storage Download PDFInfo
- Publication number
- CA2738278A1 CA2738278A1 CA2738278A CA2738278A CA2738278A1 CA 2738278 A1 CA2738278 A1 CA 2738278A1 CA 2738278 A CA2738278 A CA 2738278A CA 2738278 A CA2738278 A CA 2738278A CA 2738278 A1 CA2738278 A1 CA 2738278A1
- Authority
- CA
- Canada
- Prior art keywords
- bits
- modulated
- optical
- bitstate
- storage medium
- 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
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000013500 data storage Methods 0.000 title description 16
- 230000003287 optical effect Effects 0.000 claims description 83
- 239000010410 layer Substances 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 2
- 238000005516 engineering process Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002355 dual-layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- 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
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
-
- 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24079—Width or depth
-
- 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24082—Meandering
Landscapes
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/775,590 | 2010-05-07 | ||
| US12/775,590 US8050166B1 (en) | 2010-05-07 | 2010-05-07 | System and method for improved data storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2738278A1 true CA2738278A1 (en) | 2011-11-07 |
Family
ID=44263258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2738278A Abandoned CA2738278A1 (en) | 2010-05-07 | 2011-04-28 | System and method for improved data storage |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8050166B1 (enExample) |
| EP (1) | EP2387034A3 (enExample) |
| JP (1) | JP5782287B2 (enExample) |
| KR (1) | KR20110123673A (enExample) |
| CN (1) | CN102270465B (enExample) |
| CA (1) | CA2738278A1 (enExample) |
| TW (1) | TWI539449B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8619533B1 (en) * | 2012-07-31 | 2013-12-31 | General Electric Company | Holographic data storage medium and an associated method thereof |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4458345A (en) * | 1982-03-31 | 1984-07-03 | International Business Machines Corporation | Process for optical information storage |
| JP3292295B2 (ja) * | 1997-12-18 | 2002-06-17 | ソニー株式会社 | 光ディスク記録装置、光ディスク記録方法、光ディスク、光ディスク再生装置 |
| CA2342913A1 (en) * | 1999-07-02 | 2001-01-11 | Koninklijke Philips Electronics N.V. | Addition of watermark keys according to a flexible format |
| JP2001023172A (ja) * | 1999-07-08 | 2001-01-26 | Sony Corp | 情報記録装置、情報記録方法、情報記録媒体、情報再生装置及び情報再生方法 |
| AU2001290299A1 (en) * | 2000-10-02 | 2002-04-15 | Matsushita Electric Industrial Co., Ltd. | Record medium, its recorder, its recording method, its reproducing apparatus, and its reproducing apparatus |
| TWI229854B (en) | 2001-03-16 | 2005-03-21 | Koninkl Philips Electronics Nv | Record carrier and apparatus for scanning the record carrier |
| JP4162886B2 (ja) * | 2001-12-10 | 2008-10-08 | 新オプトウエア株式会社 | 光ディスク記録方法、光ディスク記録装置及び光ディスク再生装置 |
| JP2004005936A (ja) * | 2002-04-09 | 2004-01-08 | Matsushita Electric Ind Co Ltd | 情報記録媒体、記録装置、再生装置 |
| KR100727920B1 (ko) | 2002-09-06 | 2007-06-14 | 삼성전자주식회사 | 광정보 저장매체 및 그 기록 및/또는 재생 방법 |
| JP4097533B2 (ja) * | 2003-01-22 | 2008-06-11 | Ｔｄｋ株式会社 | ホログラム記録方法及び装置 |
| CN1864209A (zh) | 2003-10-09 | 2006-11-15 | 皇家飞利浦电子股份有限公司 | 具有聚焦偏移区的光盘 |
| US7123393B2 (en) * | 2004-09-28 | 2006-10-17 | General Electric Company | Method and apparatus for holographic recording and retrieval |
| FR2879798B1 (fr) * | 2004-12-20 | 2008-12-26 | Centre Nat Rech Scient Cnrse | Memoire holographique a detection homodyne |
| DE102005016513B4 (de) | 2005-03-08 | 2008-10-30 | Shanghai Hujing Electronic Technological Co., Ltd. | Nur lesbare optische Scheibe mit mehreren Ebenen und Verfahren zum Herstellen derselben |
| JP4473768B2 (ja) * | 2005-04-14 | 2010-06-02 | 株式会社東芝 | 情報記憶媒体、再生方法及び記録方法 |
| JP2006338715A (ja) * | 2005-05-31 | 2006-12-14 | Shinano Kenshi Co Ltd | 光ディスク装置 |
| JP2008117441A (ja) * | 2006-11-01 | 2008-05-22 | Matsushita Electric Ind Co Ltd | ディジタルデータ記録再生装置 |
| DE102007004025A1 (de) * | 2007-01-22 | 2008-07-31 | Technische Universität Berlin | Verfahren und Vorrichtung zum Herstellen eines Hologramms in einem optischen Medium |
| JP4961386B2 (ja) * | 2008-05-20 | 2012-06-27 | 株式会社日立製作所 | 光情報記録装置、光情報記録方法、光情報記録再生装置および光情報記録再生方法 |
| US8331210B2 (en) * | 2008-12-23 | 2012-12-11 | General Electric Company | System and method for storage of data in circular data tracks on optical discs |
-
2010
- 2010-05-07 US US12/775,590 patent/US8050166B1/en not_active Expired - Fee Related
-
2011
- 2011-04-22 JP JP2011095569A patent/JP5782287B2/ja not_active Expired - Fee Related
- 2011-04-28 CA CA2738278A patent/CA2738278A1/en not_active Abandoned
- 2011-05-03 EP EP11164570A patent/EP2387034A3/en not_active Withdrawn
- 2011-05-03 KR KR1020110041806A patent/KR20110123673A/ko not_active Abandoned
- 2011-05-06 TW TW100116057A patent/TWI539449B/zh not_active IP Right Cessation
- 2011-05-06 CN CN201110127044.7A patent/CN102270465B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8050166B1 (en) | 2011-11-01 |
| CN102270465B (zh) | 2016-05-04 |
| TW201209815A (en) | 2012-03-01 |
| US20110273973A1 (en) | 2011-11-10 |
| JP2011238336A (ja) | 2011-11-24 |
| TWI539449B (zh) | 2016-06-21 |
| KR20110123673A (ko) | 2011-11-15 |
| CN102270465A (zh) | 2011-12-07 |
| JP5782287B2 (ja) | 2015-09-24 |
| EP2387034A3 (en) | 2011-11-30 |
| EP2387034A2 (en) | 2011-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20160226 |
|
| FZDE | Discontinued |
Effective date: 20180524 |