JP2009037662A - 光情報再生システム - Google Patents
光情報再生システム Download PDFInfo
- Publication number
- JP2009037662A JP2009037662A JP2007198892A JP2007198892A JP2009037662A JP 2009037662 A JP2009037662 A JP 2009037662A JP 2007198892 A JP2007198892 A JP 2007198892A JP 2007198892 A JP2007198892 A JP 2007198892A JP 2009037662 A JP2009037662 A JP 2009037662A
- Authority
- JP
- Japan
- Prior art keywords
- optical information
- optical
- groove
- optical pickup
- recording 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 118
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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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
Abstract
【解決手段】光情報記録媒体150を、線速度3.49m/sの一定速度で回転させ、溝に光ピックアップ110を追従させてレーザー光を照射することにより、光情報記録媒体150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、溝に追従する際に生じる光ピックアップ110の高次共振周波数が、光情報記録媒体150の回転制御を行っていない場合に溝により再生されるウォブル周波数よりも低いことを特徴とする。
【選択図】図1
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 (3)
- 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、前記溝に追従する際に生じる前記光ピックアップの高次共振周波数が、前記光情報記録媒体の回転制御を行わないで前記溝により再生されるウォブル周波数よりも低いことを特徴とする光情報再生システム。
- 前記ウォブル周波数は、前記光ピックアップが前記光情報記録媒体の外周領域から内周領域に移動して該内周領域の溝に追従する際の前記溝により再生される周波数であることを特徴とする請求項1記載の光情報再生システム。
- 前記光ピックアップの高次共振周波数は、40〜100kHzの範囲であることを特徴とする請求項1記載の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 |
AT08252556T ATE455349T1 (de) | 2007-07-31 | 2008-07-28 | System zur wiedergabe optischer informationen |
US12/181,223 US20090034406A1 (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 |
EP08252556A EP2026345B1 (en) | 2007-07-31 | 2008-07-28 | Optical-information reproducing system |
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 true JP2009037662A (ja) | 2009-02-19 |
JP4796551B2 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) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003187459A (ja) * | 2001-12-19 | 2003-07-04 | Sony Corp | ディスク記録媒体 |
WO2007111259A1 (ja) * | 2006-03-24 | 2007-10-04 | Pioneer Corporation | 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、並びに、コンピュータプログラム |
Family Cites Families (11)
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 |
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 |
JP4156019B2 (ja) * | 2006-08-03 | 2008-09-24 | 松下電器産業株式会社 | 記録媒体、データ記録装置、データ再生装置、及びデータ記録方法 |
-
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 DE DE602008000541T patent/DE602008000541D1/de active Active
- 2008-07-28 AT AT08252556T patent/ATE455349T1/de not_active IP Right Cessation
- 2008-07-28 US US12/181,223 patent/US20090034406A1/en not_active Abandoned
- 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
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003187459A (ja) * | 2001-12-19 | 2003-07-04 | Sony Corp | ディスク記録媒体 |
WO2007111259A1 (ja) * | 2006-03-24 | 2007-10-04 | Pioneer Corporation | 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、並びに、コンピュータプログラム |
Also Published As
Publication number | Publication date |
---|---|
TW200923931A (en) | 2009-06-01 |
CN101359488B (zh) | 2013-02-27 |
CN101359488A (zh) | 2009-02-04 |
EP2026345A1 (en) | 2009-02-18 |
US20090034406A1 (en) | 2009-02-05 |
DE602008000541D1 (de) | 2010-03-04 |
EP2026345B1 (en) | 2010-01-13 |
JP4796551B2 (ja) | 2011-10-19 |
ATE455349T1 (de) | 2010-01-15 |
TWI385656B (zh) | 2013-02-11 |
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