JP4796551B2 - 光情報再生システム - Google Patents
光情報再生システム Download PDFInfo
- Publication number
- JP4796551B2 JP4796551B2 JP2007198892A JP2007198892A JP4796551B2 JP 4796551 B2 JP4796551 B2 JP 4796551B2 JP 2007198892 A JP2007198892 A JP 2007198892A JP 2007198892 A JP2007198892 A JP 2007198892A JP 4796551 B2 JP4796551 B2 JP 4796551B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- optical pickup
- optical
- recording medium
- optical information
- 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.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 113
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- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
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- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000001007 phthalocyanine dye Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Holo Graphy (AREA)
Description
to Peak)であることが好ましい。
122 レーザダイオード駆動制御部 123 データ復調回路 124 特性値検出部 125 演算部 126 メモリ 150 光情報記録媒体 151 光透過性基板 152 溝 153 光吸収層 154 光反射層 155 接着剤層 156 ダミー基板
Claims (1)
- ウォブルを有する螺旋状の溝が形成された円板状の光透過性基板と、この光透過性基板上に形成された光吸収層と、この光吸収層上に形成された光反射層とを有する光情報記録媒体を、線速度3.49m/sの一定速度で回転させ、前記溝に光ピックアップを追従させてレーザ光を照射することにより、前記光情報記録媒体に記録された情報が再生可能な光情報再生システムであって、
前記光ピックアップが前記溝に追従する際に生じる該光ピックアップの高次共振周波数は40〜100kHzの範囲にあり、
前記溝の蛇行周期を短くすることによって、前記光ピックアップが前記光情報記録媒体の記録領域の最外周から最内周まで移動して該最内周の溝に追従する瞬間に前記光情報記録媒体の回転制御を行わないで該最内周の溝により再生される最小のウォブル周波数を、前記高次共振周波数の範囲よりも高く設定した、
ことを特徴とする光情報再生システム。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007198892A JP4796551B2 (ja) | 2007-07-31 | 2007-07-31 | 光情報再生システム |
TW097125558A TWI385656B (zh) | 2007-07-31 | 2008-07-07 | Optical information regeneration system |
US12/181,223 US20090034406A1 (en) | 2007-07-31 | 2008-07-28 | Optical information reproducing system |
AT08252556T ATE455349T1 (de) | 2007-07-31 | 2008-07-28 | System zur wiedergabe optischer informationen |
EP08252556A EP2026345B1 (en) | 2007-07-31 | 2008-07-28 | Optical-information reproducing system |
DE602008000541T DE602008000541D1 (de) | 2007-07-31 | 2008-07-28 | System zur Wiedergabe optischer Informationen |
CN200810134796.4A CN101359488B (zh) | 2007-07-31 | 2008-07-29 | 光信息再生系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007198892A JP4796551B2 (ja) | 2007-07-31 | 2007-07-31 | 光情報再生システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009037662A JP2009037662A (ja) | 2009-02-19 |
JP4796551B2 true JP4796551B2 (ja) | 2011-10-19 |
Family
ID=39808596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007198892A Expired - Fee Related JP4796551B2 (ja) | 2007-07-31 | 2007-07-31 | 光情報再生システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090034406A1 (ja) |
EP (1) | EP2026345B1 (ja) |
JP (1) | JP4796551B2 (ja) |
CN (1) | CN101359488B (ja) |
AT (1) | ATE455349T1 (ja) |
DE (1) | DE602008000541D1 (ja) |
TW (1) | TWI385656B (ja) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2260163B1 (ja) * | 1974-02-04 | 1979-08-03 | Thomson Brandt | |
JP4114732B2 (ja) * | 2001-04-18 | 2008-07-09 | 株式会社リコー | 対物レンズアクチュエータ |
JP2003045053A (ja) | 2001-07-30 | 2003-02-14 | Ricoh Co Ltd | 対物レンズ駆動装置、光ピックアップ装置及び光ディスク装置 |
JP2003187459A (ja) * | 2001-12-19 | 2003-07-04 | Sony Corp | ディスク記録媒体 |
TWI251233B (en) * | 2002-11-19 | 2006-03-11 | Hitachi Maxell | Optical information recording medium and method of manufacturing the same |
TWI343051B (en) * | 2003-07-29 | 2011-06-01 | Samsung Electronics Co Ltd | Method and apparatus for recording and reproducing pointing information, and information storage medium |
JP3972256B2 (ja) * | 2003-08-25 | 2007-09-05 | ソニー株式会社 | 光ディスク駆動装置および方法、記録媒体、並びにプログラム |
KR100524999B1 (ko) * | 2004-01-13 | 2005-10-31 | 삼성전자주식회사 | 광픽업 액튜에이터 |
JP2005293650A (ja) * | 2004-03-31 | 2005-10-20 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
US7626907B2 (en) * | 2004-05-25 | 2009-12-01 | Ricky Chang | Method and apparatus for determining type of digital versatile disc |
RU2376658C2 (ru) * | 2004-09-13 | 2009-12-20 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Носитель записи и способ и устройство для записи данных на носитель записи |
EP2012320B1 (en) * | 2006-03-24 | 2012-11-21 | Pioneer Corporation | Information reproducing method |
EP2048662B1 (en) * | 2006-08-03 | 2018-01-10 | Panasonic Intellectual Property Management Co., Ltd. | Recording medium, data recording apparatus, data reproducing apparatus and data recording method |
-
2007
- 2007-07-31 JP JP2007198892A patent/JP4796551B2/ja not_active Expired - Fee Related
-
2008
- 2008-07-07 TW TW097125558A patent/TWI385656B/zh not_active IP Right Cessation
- 2008-07-28 US US12/181,223 patent/US20090034406A1/en not_active Abandoned
- 2008-07-28 AT AT08252556T patent/ATE455349T1/de not_active IP Right Cessation
- 2008-07-28 DE DE602008000541T patent/DE602008000541D1/de active Active
- 2008-07-28 EP EP08252556A patent/EP2026345B1/en not_active Not-in-force
- 2008-07-29 CN CN200810134796.4A patent/CN101359488B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101359488B (zh) | 2013-02-27 |
DE602008000541D1 (de) | 2010-03-04 |
TWI385656B (zh) | 2013-02-11 |
US20090034406A1 (en) | 2009-02-05 |
EP2026345A1 (en) | 2009-02-18 |
CN101359488A (zh) | 2009-02-04 |
ATE455349T1 (de) | 2010-01-15 |
JP2009037662A (ja) | 2009-02-19 |
EP2026345B1 (en) | 2010-01-13 |
TW200923931A (en) | 2009-06-01 |
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