DE69725811D1 - Optische Abtastvorrichtung und Abtastverfahren - Google Patents
Optische Abtastvorrichtung und AbtastverfahrenInfo
- Publication number
- DE69725811D1 DE69725811D1 DE69725811T DE69725811T DE69725811D1 DE 69725811 D1 DE69725811 D1 DE 69725811D1 DE 69725811 T DE69725811 T DE 69725811T DE 69725811 T DE69725811 T DE 69725811T DE 69725811 D1 DE69725811 D1 DE 69725811D1
- Authority
- DE
- Germany
- Prior art keywords
- scanning
- optical
- scanning device
- optical scanning
- scanning method
- 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
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
- G11B7/125—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
-
- 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
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08225279A JP3112841B2 (ja) | 1996-08-27 | 1996-08-27 | 光ピックアップ装置 |
JP22527996 | 1996-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69725811D1 true DE69725811D1 (de) | 2003-12-04 |
DE69725811T2 DE69725811T2 (de) | 2004-07-29 |
Family
ID=16826849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69725811T Expired - Fee Related DE69725811T2 (de) | 1996-08-27 | 1997-08-20 | Optische Abtastvorrichtung und Abtastverfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US5956312A (de) |
EP (1) | EP0827140B1 (de) |
JP (1) | JP3112841B2 (de) |
DE (1) | DE69725811T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6285645B1 (en) | 1997-05-27 | 2001-09-04 | Asahi Glass Company Ltd. | Optical device |
US6097691A (en) * | 1997-09-05 | 2000-08-01 | Asahi Glass Company Ltd. | Optical device for recording or reading data to an optical disk |
JPH11120582A (ja) * | 1997-10-14 | 1999-04-30 | Sony Corp | 光学装置 |
JPH11213405A (ja) * | 1998-01-22 | 1999-08-06 | Sony Corp | 光学ヘッド及びトラッキングエラー信号検出方法 |
US6496465B1 (en) * | 1998-06-09 | 2002-12-17 | Barry G. Broome | Monolithic CD/DVD read/write head |
JP2000353332A (ja) * | 1999-04-19 | 2000-12-19 | Samsung Electronics Co Ltd | 光出力モジュール及びこれを採用した互換型光ピックアップ装置 |
US6549504B2 (en) | 1999-06-04 | 2003-04-15 | Industrial Technology Research Institute | Dual optical pickup head for accessing both DVD and CD disc |
JP4288768B2 (ja) * | 1999-07-08 | 2009-07-01 | ソニー株式会社 | 集積光学素子及び光学ヘッド並びに光記録再生装置 |
US6810057B1 (en) | 1999-11-25 | 2004-10-26 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and optical pickup device |
US6928035B2 (en) | 2000-07-07 | 2005-08-09 | Matsushita Electric Industrial Co., Ltd. | Optical pick-up, optical disk apparatus and information processing apparatus |
TW514899B (en) * | 2000-10-27 | 2002-12-21 | Matsushita Electric Ind Co Ltd | Optical pickup device and optical disk driver |
US20020097660A1 (en) * | 2000-11-16 | 2002-07-25 | Matsushita Electric Industrial Co., Ltd. | Diffraction grating body, optical pick-up, semiconductor laser apparatus and optical information apparatus |
JP4121285B2 (ja) * | 2002-02-18 | 2008-07-23 | 株式会社リコー | 光源モジュール、光源装置、光走査装置および画像形成装置 |
US7024091B2 (en) * | 2003-12-23 | 2006-04-04 | Intel Corporation | Thermal gradient prism for active beam steering |
US8410594B2 (en) * | 2006-01-11 | 2013-04-02 | Stats Chippac Ltd. | Inter-stacking module system |
US7889993B2 (en) * | 2007-08-17 | 2011-02-15 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd | Optical transceiver module having a front facet reflector and methods for making and using a front facet reflector |
TWI568117B (zh) * | 2015-04-20 | 2017-01-21 | 友嘉科技股份有限公司 | 雷射的封裝結構及其相關元件 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0766548B2 (ja) * | 1986-02-24 | 1995-07-19 | ソニー株式会社 | フオ−カス検出装置 |
JPH0728085B2 (ja) * | 1986-02-24 | 1995-03-29 | ソニー株式会社 | 半導体レ−ザ装置 |
JPS62273633A (ja) * | 1986-05-21 | 1987-11-27 | Matsushita Electric Ind Co Ltd | 2レ−ザ光ヘツド |
JPS63113947A (ja) * | 1986-10-31 | 1988-05-18 | Nippon Telegr & Teleph Corp <Ntt> | 多波長書込み型光学素子 |
JPS63222332A (ja) * | 1987-03-11 | 1988-09-16 | Matsushita Electric Ind Co Ltd | トラツキング誤差信号検出装置 |
JPH0677336B2 (ja) * | 1988-12-09 | 1994-09-28 | シャープ株式会社 | 光ピックアップ装置 |
JP2698174B2 (ja) * | 1989-07-05 | 1998-01-19 | 三洋電機株式会社 | 光ヘッド装置 |
JP2998162B2 (ja) * | 1990-01-19 | 2000-01-11 | ソニー株式会社 | 光ピックアップ装置 |
US5235581A (en) * | 1990-08-09 | 1993-08-10 | Matsushita Electric Industrial Co., Ltd. | Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses |
US5673241A (en) * | 1991-11-08 | 1997-09-30 | Seiko Epson Corporation | Focus detection mechanism and optical head and optical storage device that use it |
JPH05266529A (ja) * | 1992-03-17 | 1993-10-15 | Sony Corp | 光学ヘッドおよびその製造方法 |
NL9300774A (nl) * | 1992-05-13 | 1993-12-01 | Gold Star Co | Optische opneeminrichting. |
US5513164A (en) * | 1992-09-11 | 1996-04-30 | Kabushiki Kaisha Toshiba | Optical recording and reproducing apparatus |
JPH06333255A (ja) * | 1993-05-25 | 1994-12-02 | Matsushita Electric Ind Co Ltd | 光ヘッド装置 |
JPH0737259A (ja) * | 1993-07-23 | 1995-02-07 | Ricoh Co Ltd | 光ディスク装置の構成方法 |
KR0171076B1 (ko) * | 1994-05-13 | 1999-04-15 | 배순훈 | 서로 다른 파장의 레이저 비임을 동시에 각각 발생하여 한쪽면에 복수개의 기록층을 가지는 광디스크를 기록/재생하는 광 픽업 시스템 |
US5598394A (en) * | 1994-05-19 | 1997-01-28 | Sanyo Electric Co., Ltd. | Optical pick-up |
KR0124189B1 (ko) * | 1994-07-29 | 1997-11-25 | 배순훈 | 다중광학계를 갖춘 광픽업장치 |
JP3240846B2 (ja) * | 1994-08-12 | 2001-12-25 | 松下電器産業株式会社 | 光ヘッド |
KR100213270B1 (ko) * | 1994-12-27 | 1999-08-02 | 전주범 | 양면 디스크용 광 픽업 |
KR100213282B1 (ko) * | 1994-12-27 | 1999-08-02 | 전주범 | 다층 디스크용 광 픽업 |
JP3864428B2 (ja) * | 1995-02-24 | 2006-12-27 | ソニー株式会社 | 光学装置及び記録媒体再生装置 |
US5787058A (en) * | 1995-05-31 | 1998-07-28 | Daewoo Electronics Co., Ltd. | Optical pickup apparatus utilizing a polygonal prism |
US5777959A (en) * | 1995-06-28 | 1998-07-07 | Nec Corporation | Optical disk apparatus having a plurality of objective lenses |
JPH0991700A (ja) * | 1995-09-25 | 1997-04-04 | Sony Corp | 光学記録媒体の初期化方法とこれに用いる初期化装置 |
US5696749A (en) * | 1996-06-28 | 1997-12-09 | Eastman Kodak Company | Dual-wavelength optical recording head utilizing grating beam splitter and integrated laser and detectors |
-
1996
- 1996-08-27 JP JP08225279A patent/JP3112841B2/ja not_active Expired - Fee Related
-
1997
- 1997-08-12 US US08/910,005 patent/US5956312A/en not_active Expired - Lifetime
- 1997-08-20 DE DE69725811T patent/DE69725811T2/de not_active Expired - Fee Related
- 1997-08-20 EP EP97114349A patent/EP0827140B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0827140A2 (de) | 1998-03-04 |
EP0827140A3 (de) | 1998-08-12 |
JP3112841B2 (ja) | 2000-11-27 |
JPH1064107A (ja) | 1998-03-06 |
EP0827140B1 (de) | 2003-10-29 |
US5956312A (en) | 1999-09-21 |
DE69725811T2 (de) | 2004-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP |
|
8339 | Ceased/non-payment of the annual fee |