CN1108608C - 光学拾取设备 - Google Patents
光学拾取设备 Download PDFInfo
- Publication number
- CN1108608C CN1108608C CN97125349A CN97125349A CN1108608C CN 1108608 C CN1108608 C CN 1108608C CN 97125349 A CN97125349 A CN 97125349A CN 97125349 A CN97125349 A CN 97125349A CN 1108608 C CN1108608 C CN 1108608C
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- recording medium
- optical
- optical pick
- 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
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
- G11B7/12—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
- 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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR62476/1996 | 1996-12-06 | ||
KR62476/96 | 1996-12-06 | ||
KR1019960062476A KR100230264B1 (ko) | 1996-12-06 | 1996-12-06 | 광픽업장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1184309A CN1184309A (zh) | 1998-06-10 |
CN1108608C true CN1108608C (zh) | 2003-05-14 |
Family
ID=19486208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97125349A Expired - Fee Related CN1108608C (zh) | 1996-12-06 | 1997-12-04 | 光学拾取设备 |
Country Status (4)
Country | Link |
---|---|
US (2) | US5995476A (zh) |
JP (1) | JP2868498B2 (zh) |
KR (1) | KR100230264B1 (zh) |
CN (1) | CN1108608C (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100565036B1 (ko) * | 1998-10-08 | 2006-05-25 | 삼성전자주식회사 | 호환형 광픽업장치 |
EP1047051A3 (en) * | 1999-04-19 | 2001-01-24 | Samsung Electronics Co., Ltd. | Light emitting module and compatible optical pickup device adopting the same |
KR100627073B1 (ko) * | 1999-06-15 | 2006-09-22 | 삼성테크윈 주식회사 | 칩 마운트용 결상광학계 |
US7079472B2 (en) * | 1999-06-23 | 2006-07-18 | Dphi Acquisitions, Inc. | Beamshaper for optical head |
DE60140028D1 (de) | 2000-07-22 | 2009-11-12 | Samsung Electronics Co Ltd | Kompatibles optisches Abtastgerät |
JP3979562B2 (ja) | 2000-09-22 | 2007-09-19 | パイオニア株式会社 | 光ピックアップ装置 |
KR100432660B1 (ko) * | 2001-08-17 | 2004-05-22 | 삼성전기주식회사 | 광픽업 장치 |
EP1389812A1 (en) * | 2002-08-13 | 2004-02-18 | Agilent Technologies Inc | A mounting arrangement for high frequency electro-optical components |
KR100529313B1 (ko) | 2003-04-30 | 2005-11-17 | 삼성전자주식회사 | 광모듈 및 이를 채용한 광픽업 |
EP1622205A3 (en) * | 2004-07-29 | 2006-02-08 | Schott AG | Electronic package incorporating electronic components generating and/or receiving light-based signals |
WO2021151201A1 (en) * | 2020-01-30 | 2021-08-05 | Silicycle Inc. | Process for manufacturing solid neutral amino acid salts of polyunsaturated fatty acids |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0372365A2 (en) * | 1988-12-09 | 1990-06-13 | Sharp Kabushiki Kaisha | Optical pickup apparatus |
JPH08297851A (ja) * | 1995-04-26 | 1996-11-12 | Toshiba Corp | 光ヘッド装置の開口制限可変機構 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2561668B2 (ja) * | 1987-06-22 | 1996-12-11 | 株式会社日立製作所 | 2レ−ザ光ヘッド |
JPH02139526A (ja) * | 1988-11-21 | 1990-05-29 | Fuji Photo Film Co Ltd | 光増幅装置 |
JP2507023B2 (ja) * | 1989-02-15 | 1996-06-12 | 松下電器産業株式会社 | 光ヘッド装置 |
JPH05226275A (ja) * | 1992-02-12 | 1993-09-03 | Nippondenso Co Ltd | レーザアニール装置 |
JP3260426B2 (ja) * | 1992-07-27 | 2002-02-25 | 松下電器産業株式会社 | 光学式ピックアップ装置 |
US5513164A (en) * | 1992-09-11 | 1996-04-30 | Kabushiki Kaisha Toshiba | Optical recording and reproducing apparatus |
JP2942718B2 (ja) * | 1994-10-05 | 1999-08-30 | 富士通株式会社 | 光学的情報記録再生装置 |
JPH08153336A (ja) * | 1994-11-29 | 1996-06-11 | Nec Corp | 光ヘッド装置 |
JPH08279177A (ja) * | 1995-04-06 | 1996-10-22 | Ricoh Co Ltd | 光ピックアップ装置 |
-
1996
- 1996-12-06 KR KR1019960062476A patent/KR100230264B1/ko not_active IP Right Cessation
-
1997
- 1997-11-28 JP JP9328211A patent/JP2868498B2/ja not_active Expired - Fee Related
- 1997-12-04 CN CN97125349A patent/CN1108608C/zh not_active Expired - Fee Related
- 1997-12-05 US US08/985,706 patent/US5995476A/en not_active Ceased
-
2001
- 2001-01-17 US US09/760,896 patent/USRE38886E1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0372365A2 (en) * | 1988-12-09 | 1990-06-13 | Sharp Kabushiki Kaisha | Optical pickup apparatus |
JPH08297851A (ja) * | 1995-04-26 | 1996-11-12 | Toshiba Corp | 光ヘッド装置の開口制限可変機構 |
Also Published As
Publication number | Publication date |
---|---|
USRE38886E1 (en) | 2005-11-22 |
KR100230264B1 (ko) | 1999-11-15 |
US5995476A (en) | 1999-11-30 |
JPH10172168A (ja) | 1998-06-26 |
CN1184309A (zh) | 1998-06-10 |
KR19980044383A (ko) | 1998-09-05 |
JP2868498B2 (ja) | 1999-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA SAMSUNG STORAGE TECHNO Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20140721 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140721 Address after: Gyeonggi Do, South Korea Patentee after: Toshiba Samsung Storage Technology Korea Co., Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030514 Termination date: 20161204 |
|
CF01 | Termination of patent right due to non-payment of annual fee |