JP2818408B2 - 互換型の光ピックアップ装置 - Google Patents
互換型の光ピックアップ装置Info
- Publication number
- JP2818408B2 JP2818408B2 JP9151390A JP15139097A JP2818408B2 JP 2818408 B2 JP2818408 B2 JP 2818408B2 JP 9151390 A JP9151390 A JP 9151390A JP 15139097 A JP15139097 A JP 15139097A JP 2818408 B2 JP2818408 B2 JP 2818408B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- recording medium
- beam splitter
- photodetector
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
-
- 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
- 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
- G11B7/1395—Beam splitters or combiners
-
- 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)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960020725A KR100234261B1 (ko) | 1996-06-07 | 1996-06-07 | 호환형 광픽업장치 |
KR199620725 | 1996-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1079138A JPH1079138A (ja) | 1998-03-24 |
JP2818408B2 true JP2818408B2 (ja) | 1998-10-30 |
Family
ID=19461391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9151390A Expired - Fee Related JP2818408B2 (ja) | 1996-06-07 | 1997-06-09 | 互換型の光ピックアップ装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2818408B2 (nl) |
KR (1) | KR100234261B1 (nl) |
CN (1) | CN1093975C (nl) |
NL (1) | NL1006255C2 (nl) |
SG (1) | SG52983A1 (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000009844A (ko) * | 1998-07-29 | 2000-02-15 | 사까이 히로시 | 광픽업 |
KR100315637B1 (ko) * | 1999-03-31 | 2001-12-12 | 윤종용 | 씨디-알더블유의 재생/기록이 가능한 디브이디-롬 광학계 |
KR20030075753A (ko) * | 2002-03-20 | 2003-09-26 | 삼성전자주식회사 | 호환형 광픽업 |
KR100565797B1 (ko) | 2004-09-20 | 2006-03-29 | 삼성전자주식회사 | 멀티 기록/재생용 광픽업장치 |
JP2006236513A (ja) * | 2005-02-28 | 2006-09-07 | Hitachi Media Electoronics Co Ltd | 光ピックアップ |
JP4821372B2 (ja) * | 2006-03-03 | 2011-11-24 | 富士ゼロックス株式会社 | 画像読み取り装置 |
JP5067638B2 (ja) * | 2009-04-13 | 2012-11-07 | Necエンジニアリング株式会社 | 画像読取装置 |
JP2022534376A (ja) * | 2019-05-21 | 2022-07-29 | 上海必修福企業管理有限公司 | 窓、媒体及び光記憶方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61188749A (ja) * | 1985-02-18 | 1986-08-22 | Toshiba Corp | 情報記録再生装置 |
JPH0581698A (ja) * | 1991-09-20 | 1993-04-02 | Sanyo Electric Co Ltd | 波長切換式光ピツクアツプ |
JP3058386B2 (ja) * | 1992-09-10 | 2000-07-04 | 株式会社東芝 | 光学ヘッド装置及びこれを用いた光ディスク装置 |
US5615200A (en) * | 1992-09-10 | 1997-03-25 | Kabushiki Kaisha Toshiba | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head |
US5513164A (en) * | 1992-09-11 | 1996-04-30 | Kabushiki Kaisha Toshiba | Optical recording and reproducing apparatus |
JP3309470B2 (ja) * | 1993-03-10 | 2002-07-29 | 松下電器産業株式会社 | 光情報記録再生装置 |
KR0171078B1 (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 |
JPH07311945A (ja) * | 1994-05-17 | 1995-11-28 | Matsushita Electric Ind Co Ltd | 光記録再生装置 |
JP3240846B2 (ja) * | 1994-08-12 | 2001-12-25 | 松下電器産業株式会社 | 光ヘッド |
DE69635559T2 (de) * | 1995-06-05 | 2006-06-14 | Nec Corp | Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen |
-
1996
- 1996-06-07 KR KR1019960020725A patent/KR100234261B1/ko not_active IP Right Cessation
-
1997
- 1997-06-02 SG SG1997001868A patent/SG52983A1/en unknown
- 1997-06-06 NL NL1006255A patent/NL1006255C2/nl not_active IP Right Cessation
- 1997-06-07 CN CN97114962A patent/CN1093975C/zh not_active Expired - Fee Related
- 1997-06-09 JP JP9151390A patent/JP2818408B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL1006255A1 (nl) | 1997-12-10 |
NL1006255C2 (nl) | 2000-01-10 |
KR100234261B1 (ko) | 1999-12-15 |
CN1170932A (zh) | 1998-01-21 |
SG52983A1 (en) | 1998-09-28 |
CN1093975C (zh) | 2002-11-06 |
JPH1079138A (ja) | 1998-03-24 |
KR980004512A (ko) | 1998-03-30 |
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