DE69840429D1 - Optische Abtastvorrichtung - Google Patents
Optische AbtastvorrichtungInfo
- Publication number
- DE69840429D1 DE69840429D1 DE69840429T DE69840429T DE69840429D1 DE 69840429 D1 DE69840429 D1 DE 69840429D1 DE 69840429 T DE69840429 T DE 69840429T DE 69840429 T DE69840429 T DE 69840429T DE 69840429 D1 DE69840429 D1 DE 69840429D1
- Authority
- DE
- Germany
- Prior art keywords
- scanning device
- optical scanning
- optical
- scanning
- 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 - Lifetime
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
- G11B7/12—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
- G11B7/125—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
- G11B7/139—Numerical aperture control 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
- 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
-
- 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
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9103203A JPH10293937A (ja) | 1997-04-21 | 1997-04-21 | 光ピックアップ装置 |
| JP24393697A JP3775011B2 (ja) | 1997-09-09 | 1997-09-09 | 光ピックアップ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE69840429D1 true DE69840429D1 (de) | 2009-02-26 |
Family
ID=26443854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69840429T Expired - Lifetime DE69840429D1 (de) | 1997-04-21 | 1998-04-20 | Optische Abtastvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6192021B1 (de) |
| EP (1) | EP0874359B1 (de) |
| KR (1) | KR100567291B1 (de) |
| DE (1) | DE69840429D1 (de) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW432225B (en) * | 1998-06-03 | 2001-05-01 | Konishiroku Photo Ind | Optical pickup apparatus |
| TW479253B (en) * | 1998-12-17 | 2002-03-11 | Konishiroku Photo Ind | Objective lens for correcting chromatic aberration for use in recording toor reproducing from optical information recording medium and optical pickup apparatus therewith |
| JP2000206405A (ja) * | 1999-01-14 | 2000-07-28 | Pioneer Electronic Corp | 非球面対物レンズ及びその製造方法 |
| ATE362172T1 (de) * | 1999-01-22 | 2007-06-15 | Konica Minolta Opto Inc | Optische abtastvorrichtung zur informationsaufzeichnung und informationswiedergabe |
| JP2000338395A (ja) * | 1999-05-27 | 2000-12-08 | Konica Corp | 光ピックアップ装置及び補正レンズ |
| KR100404311B1 (ko) | 1999-06-23 | 2003-11-05 | 마쯔시다덴기산교 가부시키가이샤 | 광디스크용 대물 렌즈, 그것을 사용한 광 헤드 장치 및광학 정보 기록 재생 장치, 및 렌즈 성형용 금형, 렌즈성형용 금형의 가공 방법 및 형상 계측 장치 |
| EP1515319B1 (de) * | 1999-10-06 | 2008-07-23 | Matsushita Electric Industrial Co., Ltd. | Linse, optischer Kopf, optisches Informationsaufzeichnungs-/Wiedergabegerät sowie optisches Informationsaufzeichnungs-/Wiedergabeverfahren |
| CN1221956C (zh) * | 1999-11-18 | 2005-10-05 | 柯尼卡株式会社 | 光拾取装置及物镜 |
| US6594222B2 (en) | 1999-12-28 | 2003-07-15 | Pentax Corporation | Objective lens for optical pick-up |
| WO2001095317A1 (fr) * | 2000-06-06 | 2001-12-13 | Matsushita Electric Industrial Co., Ltd. | Capteur optique |
| TW556178B (en) * | 2000-10-26 | 2003-10-01 | Konishiroku Photo Ind | Optical pickup apparatus and objective lens |
| US6807139B2 (en) * | 2001-04-12 | 2004-10-19 | Konica Corporation | Objective lens and optical pickup apparatus |
| JP4817035B2 (ja) * | 2001-05-09 | 2011-11-16 | コニカミノルタホールディングス株式会社 | 対物レンズ、光ピックアップ装置、及び記録・再生装置 |
| JP4822037B2 (ja) * | 2001-08-24 | 2011-11-24 | コニカミノルタホールディングス株式会社 | 光ピックアップ装置の対物レンズ及び光ピックアップ装置 |
| JP4279485B2 (ja) * | 2001-10-09 | 2009-06-17 | コニカミノルタホールディングス株式会社 | 対物レンズおよび光ピックアップ装置 |
| WO2003073152A1 (fr) * | 2002-02-26 | 2003-09-04 | Matsushita Electric Industrial Co., Ltd. | Element optique et dispositif de tete optique associe, dispositif d'information optique utilisant ce dispositif de tete optique, ordinateur, lecteur de disques optiques, systeme de navigation automobile, enregistreur et serveur de disques optiques faisant appel a ce dispositif d'information optique |
| JP2003322793A (ja) * | 2002-05-08 | 2003-11-14 | Pentax Corp | 光ヘッド用対物レンズ |
| US6822800B2 (en) * | 2002-06-10 | 2004-11-23 | Pentax Corporation | Objective lens for optical pickup |
| US7245407B2 (en) * | 2002-06-10 | 2007-07-17 | Matsushita Electric Industrial Co., Ltd. | Complex objective lens compatible with information media of different thicknesses |
| TWI266898B (en) * | 2002-10-31 | 2006-11-21 | Konica Minolta Holdings Inc | Objective optical element and optical pickup apparatus |
| JP2006012218A (ja) * | 2004-06-22 | 2006-01-12 | Konica Minolta Opto Inc | 集光光学素子及び光ピックアップ装置 |
| JP4689426B2 (ja) * | 2005-09-30 | 2011-05-25 | 富士フイルム株式会社 | 光ディスクシステム、光ディスク記録装置、画像描画方法、及び光ディスク |
| US8050168B2 (en) * | 2006-07-21 | 2011-11-01 | Panasonic Corporation | Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle |
| US7936516B2 (en) * | 2009-06-16 | 2011-05-03 | Nippon Sheet Glass Co., Ltd. | Erecting equal-magnification lens array plate, optical scanning unit, and image reading device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3435249B2 (ja) * | 1994-03-11 | 2003-08-11 | 株式会社東芝 | 光学ヘッド装置およびレンズ |
| JP3240846B2 (ja) * | 1994-08-12 | 2001-12-25 | 松下電器産業株式会社 | 光ヘッド |
| JPH08248307A (ja) * | 1995-03-10 | 1996-09-27 | Sony Corp | 対物レンズ、光ヘッド装置及び光ディスク再生装置 |
| DE59600788D1 (de) | 1995-03-11 | 1998-12-17 | Egner Andrea | Vorrichtung zur Entnahme von Feststoffen aus einer Flüssigkeit-Feststoffmasse |
| DE69627752T2 (de) * | 1995-06-05 | 2003-10-16 | Nec Corp., Tokio/Tokyo | Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen |
| JPH09219034A (ja) * | 1995-09-12 | 1997-08-19 | Hitachi Ltd | 光ディスク装置およびそれに用いる光ヘッド |
| KR100239237B1 (ko) * | 1995-09-12 | 2000-01-15 | 가나이 쓰도무 | 광디스크장치 및 그의 광헤드 |
| US5966362A (en) * | 1995-11-02 | 1999-10-12 | Konica Corporation | Optical system for recording and reproducing for use in optical information recording medium |
| JP4006032B2 (ja) | 1995-12-28 | 2007-11-14 | 株式会社日立製作所 | 対物レンズおよび光ヘッド |
| KR100200873B1 (ko) * | 1996-01-11 | 1999-06-15 | 윤종용 | 광 픽업 장치 |
-
1998
- 1998-04-20 DE DE69840429T patent/DE69840429D1/de not_active Expired - Lifetime
- 1998-04-20 US US09/062,712 patent/US6192021B1/en not_active Expired - Lifetime
- 1998-04-20 EP EP98107154A patent/EP0874359B1/de not_active Expired - Lifetime
- 1998-04-20 KR KR1019980014013A patent/KR100567291B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0874359A3 (de) | 1999-01-13 |
| KR100567291B1 (ko) | 2006-05-25 |
| KR19980081548A (ko) | 1998-11-25 |
| EP0874359A2 (de) | 1998-10-28 |
| US6192021B1 (en) | 2001-02-20 |
| EP0874359B1 (de) | 2009-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |