CN1244921C - 光学拾波器 - Google Patents
光学拾波器 Download PDFInfo
- Publication number
- CN1244921C CN1244921C CNB031230962A CN03123096A CN1244921C CN 1244921 C CN1244921 C CN 1244921C CN B031230962 A CNB031230962 A CN B031230962A CN 03123096 A CN03123096 A CN 03123096A CN 1244921 C CN1244921 C CN 1244921C
- Authority
- CN
- China
- Prior art keywords
- light
- spectroscope
- light source
- 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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B7/1395—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)
Abstract
Description
Claims (8)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR23724/02 | 2002-04-30 | ||
KR20020023724 | 2002-04-30 | ||
KR23724/2002 | 2002-04-30 | ||
KR72837/2002 | 2002-11-21 | ||
KR10-2002-0072837A KR100480635B1 (ko) | 2002-04-30 | 2002-11-21 | 광픽업 및 쐐기형 빔스프리터 |
KR72837/02 | 2002-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1455397A CN1455397A (zh) | 2003-11-12 |
CN1244921C true CN1244921C (zh) | 2006-03-08 |
Family
ID=29253726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031230962A Expired - Fee Related CN1244921C (zh) | 2002-04-30 | 2003-04-30 | 光学拾波器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7251209B2 (zh) |
JP (1) | JP2004005944A (zh) |
CN (1) | CN1244921C (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4580868B2 (ja) * | 2003-05-20 | 2010-11-17 | パナソニック株式会社 | 光ディスク装置および情報記録再生方法 |
JPWO2005074388A1 (ja) * | 2004-02-09 | 2007-09-13 | コニカミノルタオプト株式会社 | 光ピックアップ装置及び光情報記録及び/又は再生装置 |
CN100334630C (zh) * | 2004-08-31 | 2007-08-29 | 三洋电机株式会社 | 光学拾取装置 |
JP2006099933A (ja) * | 2004-08-31 | 2006-04-13 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
JP2008065914A (ja) * | 2006-09-07 | 2008-03-21 | Nidec Sankyo Corp | 光ヘッド装置 |
JP4357557B2 (ja) * | 2006-12-27 | 2009-11-04 | 株式会社東芝 | 光ヘッド,および光ディスク装置 |
JP2009123253A (ja) * | 2007-11-12 | 2009-06-04 | Funai Electric Co Ltd | 光ピックアップ |
US8134907B2 (en) | 2008-08-25 | 2012-03-13 | Panasonic Corporation | Optical head, optical element with diffraction grating, optical disc device and information processing device |
JP5410421B2 (ja) | 2008-10-24 | 2014-02-05 | パナソニック株式会社 | 光学ヘッド、光ディスク装置及び情報処理装置 |
CN101571375B (zh) * | 2009-04-27 | 2011-01-05 | 东莞康视达自动化科技有限公司 | 基于机器视觉的正多边形被测物在线数据测量方法及系统 |
CN103134600A (zh) * | 2011-11-23 | 2013-06-05 | 北京量子光通科技有限公司 | 一种自相关仪 |
CN110542045A (zh) * | 2019-06-27 | 2019-12-06 | 南京中电熊猫照明有限公司 | Led路灯 |
CN113687520A (zh) * | 2021-08-13 | 2021-11-23 | 青岛青源峰达太赫兹科技有限公司 | 一种大景深太赫兹成像光学系统 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4967072A (en) * | 1984-09-05 | 1990-10-30 | Canon Kabushiki Kaisha | Interferometric rotating condition detection apparatus |
US4823334A (en) * | 1985-11-27 | 1989-04-18 | Matsushita Electric Industrial Co., Ltd. | Optical head with easily adjustable collimator having two lens components |
JPS62257641A (ja) | 1986-04-30 | 1987-11-10 | Toshiba Corp | 光学ヘツド |
JPH05266532A (ja) | 1992-03-19 | 1993-10-15 | Sony Corp | 光ヘッド装置 |
JPH06131688A (ja) * | 1992-10-20 | 1994-05-13 | Hitachi Ltd | 2レーザ光ヘッド及び記録再生装置 |
US5991102A (en) * | 1994-11-25 | 1999-11-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Beam protecting device |
JP3626003B2 (ja) * | 1997-10-06 | 2005-03-02 | 富士通株式会社 | 光学的情報記憶装置 |
JPH11273119A (ja) * | 1998-03-24 | 1999-10-08 | Pioneer Electron Corp | 光学式ピックアップ装置 |
KR100295102B1 (ko) * | 1998-07-29 | 2001-07-12 | 이형도 | 광픽업 |
JP2000057579A (ja) * | 1998-08-10 | 2000-02-25 | Sony Corp | 光ディスク、光ディスクの記録方法及び光ディスクの原盤の製造装置 |
KR100699809B1 (ko) | 1999-06-10 | 2007-03-27 | 삼성전자주식회사 | 광픽업장치 |
JP2001043553A (ja) | 1999-07-28 | 2001-02-16 | Hitachi Ltd | 光ピックアップ及びそれを用いた光学的情報再生装置 |
KR100348883B1 (ko) * | 1999-09-03 | 2002-08-17 | 엘지전자주식회사 | 비점수차 방지 광픽업 장치 |
JP2001256670A (ja) * | 2000-03-10 | 2001-09-21 | Sony Corp | 光学ピックアップ装置及び光ディスク装置 |
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 |
CN1287185C (zh) * | 2000-10-06 | 2006-11-29 | 宾得株式会社 | 用于光学头的物镜、光学头以及光盘驱动器 |
JP3927372B2 (ja) | 2001-02-13 | 2007-06-06 | 株式会社日立製作所 | 光ヘッドおよびそれを用いた光ディスク装置 |
KR100438701B1 (ko) * | 2001-09-17 | 2004-07-05 | 삼성전자주식회사 | 호환형 광픽업 및 그 광축을 맞추기 위한 조정방법 |
-
2003
- 2003-04-18 JP JP2003114659A patent/JP2004005944A/ja active Pending
- 2003-04-29 US US10/424,821 patent/US7251209B2/en not_active Expired - Fee Related
- 2003-04-30 CN CNB031230962A patent/CN1244921C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2004005944A (ja) | 2004-01-08 |
CN1455397A (zh) | 2003-11-12 |
US7251209B2 (en) | 2007-07-31 |
US20030202453A1 (en) | 2003-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1302474C (zh) | 发光模件及采用该发光模件的兼容式光学读取装置 | |
CN1290103C (zh) | 光学头器件和使用该光学头器件的光学信息装置 | |
CN1244921C (zh) | 光学拾波器 | |
CN1725327A (zh) | 光学拾取设备、记录器和/或复制器 | |
CN1094230C (zh) | 光学拾取器 | |
CN1148241A (zh) | 光学式再生装置 | |
CN1340816A (zh) | 半导体光源、光摄像头装置和数据记录/重放装置 | |
CN1881007A (zh) | 光路校正装置和使用该光路校正装置的光拾取器 | |
CN1652225A (zh) | 光学拾取装置 | |
CN1235068C (zh) | 多面反射棱镜和光拾取器 | |
CN1226726C (zh) | 光盘装置 | |
CN1258251C (zh) | 半导体激光装置和光学读写装置 | |
CN1716403A (zh) | 集成式光学系统及制造方法以及信息记录和/或再现装置 | |
CN1494069A (zh) | 使用双波长光源模块的光拾取器 | |
CN1641764A (zh) | 光束整形棱镜以及使用其的光学拾取器 | |
CN1440029A (zh) | 用于信息记录介质重放的光学拾波器 | |
CN1046813C (zh) | 光学装置 | |
CN1172301C (zh) | 光拾取装置 | |
CN1467715A (zh) | 使用两个波长光源组件的光学拾取器和校正位置差的方法 | |
CN1925035A (zh) | 兼容的光学拾取器以及光学记录和/或再现设备 | |
CN1171209C (zh) | 光拾取装置 | |
CN1523587A (zh) | 光学头 | |
CN1224023C (zh) | 光学拾音装置 | |
CN1811933A (zh) | 光学拾取装置 | |
CN1542783A (zh) | 光拾取器和具有该光拾取器的信息再现装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20140722 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140722 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: 20060308 Termination date: 20170430 |
|
CF01 | Termination of patent right due to non-payment of annual fee |