CN1189871C - 用于在光盘驱动器中检测光束功率的装置和方法 - Google Patents
用于在光盘驱动器中检测光束功率的装置和方法 Download PDFInfo
- Publication number
- CN1189871C CN1189871C CNB02126127XA CN02126127A CN1189871C CN 1189871 C CN1189871 C CN 1189871C CN B02126127X A CNB02126127X A CN B02126127XA CN 02126127 A CN02126127 A CN 02126127A CN 1189871 C CN1189871 C CN 1189871C
- Authority
- CN
- China
- Prior art keywords
- gain
- detection signal
- light beam
- resistance
- input end
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 title claims description 101
- 230000003321 amplification Effects 0.000 claims abstract description 54
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims description 113
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims 2
- 239000000523 sample Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 8
- 101710170231 Antimicrobial peptide 2 Proteins 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- HODRFAVLXIFVTR-RKDXNWHRSA-N tevenel Chemical compound NS(=O)(=O)C1=CC=C([C@@H](O)[C@@H](CO)NC(=O)C(Cl)Cl)C=C1 HODRFAVLXIFVTR-RKDXNWHRSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101150090871 APM3 gene Proteins 0.000 description 1
- 101710170230 Antimicrobial peptide 1 Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
-
- 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
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
-
- 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)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Electronic Switches (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (39)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR43108/2001 | 2001-07-18 | ||
KR10-2001-0043108A KR100421047B1 (ko) | 2001-07-18 | 2001-07-18 | 광 구동기에 있어서 광량 검출장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1397934A CN1397934A (zh) | 2003-02-19 |
CN1189871C true CN1189871C (zh) | 2005-02-16 |
Family
ID=36912828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02126127XA Expired - Fee Related CN1189871C (zh) | 2001-07-18 | 2002-07-17 | 用于在光盘驱动器中检测光束功率的装置和方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7068933B2 (zh) |
JP (1) | JP3851241B2 (zh) |
KR (1) | KR100421047B1 (zh) |
CN (1) | CN1189871C (zh) |
GB (1) | GB2382873B (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040019572A (ko) * | 2002-08-28 | 2004-03-06 | 삼성전자주식회사 | 수광부 출력 레벨을 조절할 수 있는 광픽업 |
KR100505646B1 (ko) * | 2002-10-24 | 2005-08-03 | 삼성전자주식회사 | 광픽업 시스템의 모니터 피디 이득 제어 장치 |
KR100524949B1 (ko) * | 2003-02-27 | 2005-11-01 | 삼성전자주식회사 | 광디스크의 배속에 따라 증폭이득을 제어하는 광신호변환장치 및 그의 증폭이득 제어방법 |
KR100524951B1 (ko) * | 2003-03-07 | 2005-11-01 | 삼성전자주식회사 | 이득 선택 스위치가 없는 광픽업의 fpd와 그를포함하는 광픽업 장치 및 광 기록 재생 기기 |
JP2006058058A (ja) * | 2004-08-18 | 2006-03-02 | Seiko Epson Corp | 光検出回路及び自動調光回路 |
JP2006179086A (ja) * | 2004-12-21 | 2006-07-06 | Funai Electric Co Ltd | 光ディスク装置 |
JP4696631B2 (ja) * | 2005-03-25 | 2011-06-08 | Tdk株式会社 | 光電流増幅回路 |
KR100621376B1 (ko) * | 2005-05-11 | 2006-09-15 | 삼성전자주식회사 | 모니터링용 광검출장치 및 이를 적용한 광픽업장치 |
JP4361587B2 (ja) * | 2005-09-09 | 2009-11-11 | パイオニア株式会社 | 光ビーム出力制御装置、光ビーム出射制御プログラムおよびそれを記録した記録媒体 |
JP4550712B2 (ja) * | 2005-10-17 | 2010-09-22 | ルネサスエレクトロニクス株式会社 | 受光回路 |
KR101333683B1 (ko) * | 2007-04-02 | 2013-11-28 | 삼성전자주식회사 | 발광장치 및 발광장치의 제어방법 |
JP2010136030A (ja) * | 2008-12-03 | 2010-06-17 | Panasonic Corp | 受光増幅回路および光ディスク装置 |
US8346100B2 (en) * | 2009-10-12 | 2013-01-01 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd | Apparatus and method for monitoring received optical power in an optical receiver over a wide range of received power with high accuracy |
GB2475497B (en) * | 2009-11-19 | 2012-03-28 | Perpetuum Ltd | Vibration energy harvester for converting mechanical vibrational energy into electrical energy |
US8552356B2 (en) * | 2010-03-01 | 2013-10-08 | Pratt & Whitney Rocketdyne, Inc. | Optical power converter |
JP2010175572A (ja) * | 2010-05-21 | 2010-08-12 | Seiko Epson Corp | 光検出回路及び自動調光回路 |
IT1402013B1 (it) | 2010-10-08 | 2013-08-28 | Trani | Contenitore in materiale cartaceo, metodo ed apparecchiatura per la realizzazione dello stesso |
JP2013134789A (ja) * | 2011-12-26 | 2013-07-08 | Funai Electric Co Ltd | 光ディスク装置、及び、光パワーの制御方法 |
DE102012205475A1 (de) * | 2012-04-03 | 2013-10-10 | Osram Gmbh | Lichtsensor für eine Beleuchtungseinrichtung, ein Beleuchtungssystem umfassend mindestens einen Lichtsensor und ein Verfahren zur Einstellung einer Helligkeit eines Beleuchtungssystems umfassend mindestens einen Lichtsensor |
WO2016187344A1 (en) | 2015-05-18 | 2016-11-24 | Lasermotive, Inc. | Multi-layered safety system |
CN109646016A (zh) * | 2018-12-25 | 2019-04-19 | 重庆湃芯入微科技有限公司 | 一种基于电流自适应调节的低功耗积分电路 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4135590A (en) * | 1976-07-26 | 1979-01-23 | Gaulder Clifford F | Noise suppressor system |
US4107463A (en) * | 1977-07-06 | 1978-08-15 | Pearson Edward E | Stereophonic noise suppression system |
FR2567716B1 (fr) | 1984-07-18 | 1987-07-17 | Rolland Sa Ets | Machine agricole de pose de film sur des semis |
KR920001609B1 (ko) | 1989-05-09 | 1992-02-20 | 주식회사 일광산업기계 | 승강장치 및 그 제어회로 |
US5373152A (en) | 1992-01-31 | 1994-12-13 | Nec Corporation | Resonance-type optical receiver circuit having a maximum amplifier input controlled by using an amplifier feedback and its method of receiving |
US5402432A (en) | 1993-06-01 | 1995-03-28 | Quarton, Inc. | Semi-conductor laser device constant power output controller |
KR0156021B1 (ko) * | 1993-06-08 | 1998-12-15 | 쯔지 하루오 | 이득 레벨들간의 고속 스위칭이 가능하고 광범위한 입사광량에 걸쳐 충분한 신호대 잡음비를 얻을 수 있는 수광/증폭 장치 |
US5930214A (en) * | 1994-01-19 | 1999-07-27 | Kabushiki Kaisha Toshiba | Recording/reproducing optical head apparatus compatible with different optical media |
JPH08162699A (ja) | 1994-11-30 | 1996-06-21 | Ricoh Co Ltd | 半導体レーザユニットおよび出力調整装置 |
JP2995003B2 (ja) * | 1995-05-08 | 1999-12-27 | 三洋電機株式会社 | 光学式再生装置 |
US5696750A (en) * | 1995-06-05 | 1997-12-09 | Nec Corporation | Optical head apparatus for different types of disks |
JP3631311B2 (ja) * | 1995-12-15 | 2005-03-23 | 富士通株式会社 | 光ディスク装置 |
KR100200575B1 (ko) * | 1996-02-01 | 1999-06-15 | 윤종용 | 광량 변화에 안정된 서보 제어 방법 및 장치 |
JPH09229770A (ja) * | 1996-02-22 | 1997-09-05 | Ando Electric Co Ltd | 光パワーメータ |
US5940360A (en) * | 1996-04-26 | 1999-08-17 | Daewoo Electronics Co., Ltd. | Optical pickup device for reproducing discs of two types with different densities by double beam focuses of different sizes |
KR980011158A (ko) * | 1996-07-31 | 1998-04-30 | 배순훈 | 광 픽-업장치 |
JPH10124914A (ja) | 1996-10-14 | 1998-05-15 | Hitachi Ltd | 光ディスク再生装置及び光ディスク再生方法 |
JPH10199003A (ja) * | 1997-01-10 | 1998-07-31 | Sony Corp | 光ディスク装置 |
JPH10255301A (ja) * | 1997-03-07 | 1998-09-25 | Ricoh Co Ltd | 光情報記録再生装置 |
JPH10256841A (ja) * | 1997-03-14 | 1998-09-25 | Sony Corp | フォトダイオード増幅回路 |
KR100268466B1 (ko) | 1997-08-29 | 2000-10-16 | 윤종용 | 광 디스크 재생기의 알에프 레벨에 따른 광파워 조정장치 |
JPH11232682A (ja) | 1998-02-09 | 1999-08-27 | Canon Inc | 光学的情報記録再生装置 |
KR19990074812A (ko) * | 1998-03-14 | 1999-10-05 | 윤종용 | 호환형 광픽업장치 |
KR100275832B1 (ko) | 1998-08-17 | 2001-05-02 | 백경태 | 워터제트직기의 절단된 위사처리장치 |
JP3228239B2 (ja) | 1998-10-12 | 2001-11-12 | 日本電気株式会社 | 光受信回路 |
JP3819165B2 (ja) * | 1998-11-19 | 2006-09-06 | パイオニア株式会社 | 利得制御装置及び方法、情報再生装置及び方法並びに情報記録装置及び方法 |
JP2000251301A (ja) * | 1999-02-25 | 2000-09-14 | Sony Corp | 光ピックアップ及び光ディスク装置 |
JP4604304B2 (ja) | 1999-07-09 | 2011-01-05 | ソニー株式会社 | レーザ装置、光学ヘッド及び光記録再生装置 |
US7212477B2 (en) * | 1999-07-23 | 2007-05-01 | Ricoh Company, Ltd. | Optical recording/reproducing apparatus with APC and SPS processes |
JP3456574B2 (ja) | 1999-11-10 | 2003-10-14 | 日本電気株式会社 | バーストモード光受信システム及び方法 |
JP2001244555A (ja) * | 2000-03-01 | 2001-09-07 | Pioneer Electronic Corp | 自動電力制御回路 |
JP3775564B2 (ja) * | 2000-04-14 | 2006-05-17 | シャープ株式会社 | 光再生装置 |
EP1279164A1 (de) * | 2000-04-28 | 2003-01-29 | Deutsche Telekom AG | Verfahren zur berechnung einer sprachaktivitätsentscheidung (voice activity detector) |
KR20040000050A (ko) | 2002-06-21 | 2004-01-03 | 주식회사 팬택앤큐리텔 | 가변 출력 전압 조정기 |
US7332702B2 (en) | 2002-08-05 | 2008-02-19 | Sumitomo Electric Industries, Ltd. | Optical receiver and a method for manufacturing the same |
-
2001
- 2001-07-18 KR KR10-2001-0043108A patent/KR100421047B1/ko not_active IP Right Cessation
-
2002
- 2002-07-10 GB GB0215945A patent/GB2382873B/en not_active Expired - Fee Related
- 2002-07-17 CN CNB02126127XA patent/CN1189871C/zh not_active Expired - Fee Related
- 2002-07-17 JP JP2002208768A patent/JP3851241B2/ja not_active Expired - Fee Related
- 2002-07-18 US US10/197,329 patent/US7068933B2/en not_active Expired - Fee Related
-
2006
- 2006-04-28 US US11/413,093 patent/US7343103B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB0215945D0 (en) | 2002-08-21 |
GB2382873A (en) | 2003-06-11 |
US20030016426A1 (en) | 2003-01-23 |
US20060188269A1 (en) | 2006-08-24 |
GB2382873B (en) | 2004-05-26 |
US7343103B2 (en) | 2008-03-11 |
KR20030008456A (ko) | 2003-01-29 |
CN1397934A (zh) | 2003-02-19 |
JP3851241B2 (ja) | 2006-11-29 |
JP2003142953A (ja) | 2003-05-16 |
US7068933B2 (en) | 2006-06-27 |
KR100421047B1 (ko) | 2004-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1189871C (zh) | 用于在光盘驱动器中检测光束功率的装置和方法 | |
CN1195296C (zh) | 光盘记录和再现装置的激光二极管驱动电路和放大电路 | |
US7382807B2 (en) | Systems and methods for automatic power control of laser diodes | |
US7616062B2 (en) | Received-light amplifier | |
CN1258178C (zh) | 在用来从光记录介质读出或写入的装置中调整扫描光束的光功率的方法和装置 | |
KR910006081B1 (ko) | 광디스크장치 | |
US7619956B2 (en) | stability of a write control signal | |
CN1771540A (zh) | 再现记录在超分辨率信息存储介质上的信息的方法和设备 | |
CN1538412A (zh) | 前光电检测器、光学拾取器、及光记录和/或播放设备 | |
CN1209760C (zh) | 光学拾取器 | |
JPH0528572A (ja) | 光磁気デイスク記録再生装置 | |
CN1873798A (zh) | 监控激光功率的输出电压调节方法 | |
CN100342431C (zh) | 激光噪声消除电路和光盘设备 | |
JP4220349B2 (ja) | 光ピックアップシステムのモニタフォトダイオード利得制御装置 | |
CN100452198C (zh) | 信号驱动装置及使用该信号驱动装置的光学拾取装置 | |
CN100373464C (zh) | 增益调节方法、电路和具有相同增益调节电路的光盘设备 | |
CN1185633C (zh) | 光传感器和包括光传感器的记录/回放设备 | |
CN1462029A (zh) | 拾取装置 | |
CN1558403A (zh) | 根据光盘旋转速度控制放大增益的光信号转换器和方法 | |
TWI296409B (en) | Apparatus and method for monitoring beam power output levels in optical drive | |
CN101055735A (zh) | 光接收半导体器件和光学拾取设备 | |
KR100370219B1 (ko) | 레이저 다이오드의 임계 대역을 구하는 방법 | |
US7551527B2 (en) | Offset calibration system and method of automatic power control loop | |
KR19980075452A (ko) | 광디스크 플레이어의 레이저 파워 조절 장치 | |
JPH04271025A (ja) | レーザ光源用のapc回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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: 20050216 Termination date: 20170717 |
|
CF01 | Termination of patent right due to non-payment of annual fee |