CN1198266C - 用于检测光盘记录和再现设备的异常状态的装置 - Google Patents
用于检测光盘记录和再现设备的异常状态的装置 Download PDFInfo
- Publication number
- CN1198266C CN1198266C CNB02107349XA CN02107349A CN1198266C CN 1198266 C CN1198266 C CN 1198266C CN B02107349X A CNB02107349X A CN B02107349XA CN 02107349 A CN02107349 A CN 02107349A CN 1198266 C CN1198266 C CN 1198266C
- Authority
- CN
- China
- Prior art keywords
- laser diode
- overflow
- underflow
- output
- record
- 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
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Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- 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
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Semiconductor Lasers (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0043786A KR100464403B1 (ko) | 2001-07-20 | 2001-07-20 | 광디스크 기록/재생 장치의 이상 상태 검출 장치 |
KR43786/2001 | 2001-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1399255A CN1399255A (zh) | 2003-02-26 |
CN1198266C true CN1198266C (zh) | 2005-04-20 |
Family
ID=19712355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02107349XA Expired - Fee Related CN1198266C (zh) | 2001-07-20 | 2002-03-15 | 用于检测光盘记录和再现设备的异常状态的装置 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6956803B2 (zh) |
JP (1) | JP2003059085A (zh) |
KR (1) | KR100464403B1 (zh) |
CN (1) | CN1198266C (zh) |
GB (1) | GB2377810B (zh) |
TW (1) | TWI261819B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4512324B2 (ja) * | 2003-05-21 | 2010-07-28 | ティアック株式会社 | 半導体レーザ駆動装置及び光ディスク装置 |
JP4500025B2 (ja) * | 2003-09-04 | 2010-07-14 | 株式会社日立エルジーデータストレージ | 光ディスク装置及び光ディスク装置の制御方法 |
KR101094178B1 (ko) * | 2003-11-12 | 2011-12-14 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 프론트 포토 디텍터의 유입 반사광 검출 및 광디스크장치의 이상유무 검출방법 |
US8310912B2 (en) * | 2008-05-19 | 2012-11-13 | Lite-On It Corporation | Method for monitoring an optical disk drive performance quality, optical disk drive, optical disk duplicator system and computer program product |
KR100970237B1 (ko) * | 2008-07-04 | 2010-07-16 | (주)밴플러스 | 플랫트랙 컨테이너의 엔드월용 그래비티 로킹장치 |
CN111258537B (zh) * | 2020-01-15 | 2022-08-09 | 中科寒武纪科技股份有限公司 | 一种防止数据溢出的方法、装置和芯片 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5820045A (ja) | 1981-07-30 | 1983-02-05 | Fujitsu Ltd | スタツフ同期方式 |
DE3275960D1 (en) * | 1982-01-06 | 1987-05-07 | Hitachi Ltd | Control circuit for controlling light source in optical disc device |
JPH0746435B2 (ja) * | 1985-03-14 | 1995-05-17 | オリンパス光学工業株式会社 | 光学的情報記録再生装置における光ピックアップの異常判別装置 |
US4685097A (en) * | 1985-07-25 | 1987-08-04 | Laser Magnetic Storage International Company | Power control system for a semiconductor laser |
JPH0816988B2 (ja) | 1985-09-19 | 1996-02-21 | 松下電器産業株式会社 | 光学式デ−タ記憶再生装置 |
JP2533535B2 (ja) * | 1987-05-01 | 1996-09-11 | 三菱電機株式会社 | 光ディスク装置 |
JPH0213757A (ja) | 1988-06-29 | 1990-01-18 | Matsushita Electric Ind Co Ltd | ヒートポンプ式空気調和機 |
JPH0294132A (ja) * | 1988-09-30 | 1990-04-04 | Toshiba Corp | 光出力制御装置 |
US5151893A (en) * | 1989-06-05 | 1992-09-29 | Matsushita Electric Industrial Co., Ltd. | Optical data recording and reproducing apparatus |
JPH0330130A (ja) * | 1989-06-28 | 1991-02-08 | Sharp Corp | 半導体レーザ駆動回路 |
NL8902058A (nl) * | 1989-08-14 | 1991-03-01 | Philips Nv | Inrichting voor het optimaliseren van het werkingsgebied van een a/d-omvormer. |
US5262680A (en) | 1991-07-08 | 1993-11-16 | Industrial Technology Research Institute | Switch control apparatus for eliminating intermittent on/off condition on a power supply switch |
JPH05128573A (ja) * | 1991-11-08 | 1993-05-25 | Pioneer Electron Corp | レーザダイオード駆動制御装置 |
US5262690A (en) * | 1992-04-29 | 1993-11-16 | International Business Machines Corporation | Variable delay clock circuit |
JPH08315400A (ja) * | 1995-05-19 | 1996-11-29 | Ricoh Co Ltd | 光情報記録再生装置 |
JPH0963093A (ja) * | 1995-08-25 | 1997-03-07 | Sony Corp | レーザ光出力制御回路 |
JPH09120137A (ja) | 1995-10-26 | 1997-05-06 | Noritsu Koki Co Ltd | 自動現像処理装置 |
JP2762984B2 (ja) * | 1996-02-29 | 1998-06-11 | 日本電気株式会社 | ディスク装置 |
US5640381A (en) * | 1996-03-08 | 1997-06-17 | International Business Machines Corporation | Laser power-drive circuit having a scaling DAC supplying a scaled reference signal to a plurality of scaled DAC's that supply a plurality of scaled output signals |
JPH114032A (ja) * | 1997-06-11 | 1999-01-06 | Sony Corp | レーザパワーコントロール回路 |
JPH11149731A (ja) | 1997-11-14 | 1999-06-02 | Toshiba Microelectronics Corp | ディスク再生装置及びトラッキングサーボ回路 |
JP3552938B2 (ja) * | 1999-01-18 | 2004-08-11 | ティアック株式会社 | 光ディスク装置及びその補正方法 |
KR100346701B1 (ko) | 1999-05-25 | 2002-08-01 | 삼성전자 주식회사 | 레이저 다이오드의 출력 제어 방법 및 이에 적합한 장치 |
JP3909511B2 (ja) * | 1999-08-04 | 2007-04-25 | パイオニア株式会社 | オーディオ情報再生方法及び装置並びに情報記録媒体 |
JP3613164B2 (ja) * | 2000-09-29 | 2005-01-26 | ヤマハ株式会社 | 光ディスク記録装置のレーザ出力制御装置 |
JP2002157767A (ja) * | 2000-11-21 | 2002-05-31 | Sanyo Electric Co Ltd | 光ディスク記録再生装置のレーザー出力制御回路 |
KR100442860B1 (ko) * | 2001-05-17 | 2004-08-02 | 삼성전자주식회사 | 레이저 다이오드 출력 제어 장치 |
-
2001
- 2001-07-20 KR KR10-2001-0043786A patent/KR100464403B1/ko not_active IP Right Cessation
-
2002
- 2002-02-19 TW TW091102780A patent/TWI261819B/zh not_active IP Right Cessation
- 2002-03-15 CN CNB02107349XA patent/CN1198266C/zh not_active Expired - Fee Related
- 2002-03-27 GB GB0207172A patent/GB2377810B/en not_active Expired - Fee Related
- 2002-06-19 US US10/173,978 patent/US6956803B2/en not_active Expired - Fee Related
- 2002-07-18 JP JP2002209917A patent/JP2003059085A/ja active Pending
-
2004
- 2004-07-07 US US10/884,943 patent/US7061844B2/en not_active Expired - Fee Related
-
2005
- 2005-09-09 US US11/221,926 patent/US7336574B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20060002268A1 (en) | 2006-01-05 |
US6956803B2 (en) | 2005-10-18 |
US7061844B2 (en) | 2006-06-13 |
GB2377810B (en) | 2003-06-18 |
GB2377810A (en) | 2003-01-22 |
US20040240359A1 (en) | 2004-12-02 |
KR20030008838A (ko) | 2003-01-29 |
TWI261819B (en) | 2006-09-11 |
KR100464403B1 (ko) | 2005-01-03 |
US7336574B2 (en) | 2008-02-26 |
CN1399255A (zh) | 2003-02-26 |
JP2003059085A (ja) | 2003-02-28 |
US20030016610A1 (en) | 2003-01-23 |
GB0207172D0 (en) | 2002-05-08 |
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
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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 |
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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. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050420 Termination date: 20170315 |
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CF01 | Termination of patent right due to non-payment of annual fee |