DE602004028261D1 - Objektlinse, optischer abnehmer und optischer informationsprozessor - Google Patents
Objektlinse, optischer abnehmer und optischer informationsprozessorInfo
- Publication number
- DE602004028261D1 DE602004028261D1 DE602004028261T DE602004028261T DE602004028261D1 DE 602004028261 D1 DE602004028261 D1 DE 602004028261D1 DE 602004028261 T DE602004028261 T DE 602004028261T DE 602004028261 T DE602004028261 T DE 602004028261T DE 602004028261 D1 DE602004028261 D1 DE 602004028261D1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- optical
- buyer
- information processor
- 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.)
- Active
Links
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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- 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
-
- 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
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003315147 | 2003-09-08 | ||
JP2004163082A JP2005108398A (ja) | 2003-09-08 | 2004-06-01 | 対物レンズ、光ピックアップ及び光情報処理装置 |
PCT/JP2004/011934 WO2005027109A1 (ja) | 2003-09-08 | 2004-08-19 | 対物レンズ、光ピックアップ及び光情報処理装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004028261D1 true DE602004028261D1 (de) | 2010-09-02 |
Family
ID=34315622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004028261T Active DE602004028261D1 (de) | 2003-09-08 | 2004-08-19 | Objektlinse, optischer abnehmer und optischer informationsprozessor |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060198254A1 (de) |
EP (1) | EP1667134B1 (de) |
JP (1) | JP2005108398A (de) |
DE (1) | DE602004028261D1 (de) |
WO (1) | WO2005027109A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007133967A (ja) | 2005-11-10 | 2007-05-31 | Canon Inc | 光学式情報記録再生装置 |
JP2008084490A (ja) * | 2006-09-28 | 2008-04-10 | Sony Corp | 対物レンズ、光ピックアップ装置及び光ディスク装置 |
TW200844987A (en) * | 2007-03-22 | 2008-11-16 | Koninkl Philips Electronics Nv | Optical apparatus |
JP5075681B2 (ja) * | 2008-03-05 | 2012-11-21 | 日立マクセル株式会社 | 対物レンズ |
JP2009223936A (ja) * | 2008-03-14 | 2009-10-01 | Ricoh Co Ltd | 光ピックアップおよびこれを用いる光情報処理装置 |
JP2009223938A (ja) * | 2008-03-14 | 2009-10-01 | Ricoh Co Ltd | 光ピックアップおよびこれを用いる光情報処理装置 |
JP2009223937A (ja) * | 2008-03-14 | 2009-10-01 | Ricoh Co Ltd | 光ピックアップおよびこれを用いる光情報処理装置 |
CN102084419B (zh) * | 2008-08-07 | 2014-06-04 | 松下电器产业株式会社 | 光盘装置、光学头及信息处理装置 |
US20110199882A1 (en) * | 2008-10-17 | 2011-08-18 | Hidekazu Totsuka | Objective Lens and Optical Pickup Device |
JP4849134B2 (ja) * | 2009-01-26 | 2012-01-11 | ソニー株式会社 | 対物レンズ、光ピックアップ及び光ディスク装置 |
JP5884081B2 (ja) * | 2009-09-17 | 2016-03-15 | パナソニックIpマネジメント株式会社 | 対物レンズ素子及びこれを用いた光ピックアップ装置 |
JP2012033213A (ja) * | 2010-07-29 | 2012-02-16 | Hitachi Media Electoronics Co Ltd | 光学的情報記録再生装置 |
JP5963120B2 (ja) * | 2012-03-29 | 2016-08-03 | コニカミノルタ株式会社 | 対物レンズ、光ピックアップ装置及び光情報記録再生装置 |
CN111307063B (zh) * | 2020-03-25 | 2021-08-24 | 江南大学 | 一种消除单幅干涉条纹波面恢复中的符号模糊问题的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6490100B1 (en) * | 1999-07-30 | 2002-12-03 | Matsushita Electric Industrial Co., Ltd. | Objective lens and optical head device |
JP3384393B2 (ja) * | 1999-12-15 | 2003-03-10 | 日本電気株式会社 | 光ヘッド装置及び光学式情報記録再生装置並びにラジアルチルト検出方法 |
JP2002008301A (ja) * | 2000-06-23 | 2002-01-11 | Hitachi Ltd | 情報記録再生装置及びそのディスク判別方法 |
JPWO2002027715A1 (ja) * | 2000-09-26 | 2004-02-05 | 松下電器産業株式会社 | 光ディスク用光学系、光ディスク用光ヘッド装置、及び光ドライブ装置 |
JP2002107617A (ja) * | 2000-09-29 | 2002-04-10 | Toshiba Corp | 対物レンズ、それを用いた光ヘッド装置及び光ディスク装置 |
JP2002163830A (ja) * | 2000-11-24 | 2002-06-07 | Toshiba Corp | 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体 |
JP2003279851A (ja) * | 2002-03-20 | 2003-10-02 | Matsushita Electric Ind Co Ltd | 高開口数単レンズおよびそれを用いた光ヘッド装置、光学情報記録再生装置 |
JP2003296959A (ja) * | 2002-03-26 | 2003-10-17 | Samsung Electro Mech Co Ltd | 波長選択性開口制限素子と波長選択性ビームスプリッタ及びそれを備えた光ピックアップ装置 |
EP1500956A4 (de) * | 2002-04-18 | 2009-11-11 | Panasonic Corp | Optisches element, optischer kopf, einrichtung zum aufzeichnen/wiedergeben optischer informationen, computer, videoaufzeichnungseinrichtung, videowiedergabeeinrichtung, server und autonavigationssystem |
JP2004327003A (ja) * | 2002-07-26 | 2004-11-18 | Sharp Corp | 光ピックアップ |
US7277366B2 (en) * | 2003-02-28 | 2007-10-02 | Matsushita Electric Industrial Co., Ltd. | Optical head and optical recording and reproducing apparatus |
-
2004
- 2004-06-01 JP JP2004163082A patent/JP2005108398A/ja active Pending
- 2004-08-19 WO PCT/JP2004/011934 patent/WO2005027109A1/ja active Application Filing
- 2004-08-19 DE DE602004028261T patent/DE602004028261D1/de active Active
- 2004-08-19 EP EP04771895A patent/EP1667134B1/de not_active Not-in-force
-
2006
- 2006-03-08 US US11/369,967 patent/US20060198254A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1667134A4 (de) | 2009-01-07 |
JP2005108398A (ja) | 2005-04-21 |
WO2005027109A1 (ja) | 2005-03-24 |
EP1667134B1 (de) | 2010-07-21 |
US20060198254A1 (en) | 2006-09-07 |
EP1667134A1 (de) | 2006-06-07 |
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