TW200511253A - Optical disc apparatus and control method thereof - Google Patents

Optical disc apparatus and control method thereof

Info

Publication number
TW200511253A
TW200511253A TW093104103A TW93104103A TW200511253A TW 200511253 A TW200511253 A TW 200511253A TW 093104103 A TW093104103 A TW 093104103A TW 93104103 A TW93104103 A TW 93104103A TW 200511253 A TW200511253 A TW 200511253A
Authority
TW
Taiwan
Prior art keywords
optical disc
laser diode
recording
disc apparatus
laser light
Prior art date
Application number
TW093104103A
Other languages
English (en)
Other versions
TWI289837B (en
Inventor
Takashi Matsuda
Original Assignee
Hitachi Lg Data Storage Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Lg Data Storage Inc filed Critical Hitachi Lg Data Storage Inc
Publication of TW200511253A publication Critical patent/TW200511253A/zh
Application granted granted Critical
Publication of TWI289837B publication Critical patent/TWI289837B/zh

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
    • G11B7/125—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
TW093104103A 2003-09-04 2004-02-19 Optical disc apparatus and control method thereof TWI289837B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003312255A JP4500025B2 (ja) 2003-09-04 2003-09-04 光ディスク装置及び光ディスク装置の制御方法

Publications (2)

Publication Number Publication Date
TW200511253A true TW200511253A (en) 2005-03-16
TWI289837B TWI289837B (en) 2007-11-11

Family

ID=34413560

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093104103A TWI289837B (en) 2003-09-04 2004-02-19 Optical disc apparatus and control method thereof

Country Status (5)

Country Link
US (2) US7196996B2 (zh)
JP (1) JP4500025B2 (zh)
KR (1) KR100615004B1 (zh)
CN (1) CN100576330C (zh)
TW (1) TWI289837B (zh)

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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
TWI245474B (en) * 2004-09-14 2005-12-11 Mediatek Inc Laser power control circuit and method thereof
US20080225915A1 (en) * 2005-01-10 2008-09-18 Koninklijke Philips Electronics, N.V. Method and Apparatus for Prevention of Laser Saturation
KR100653493B1 (ko) * 2005-05-26 2006-12-05 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크장치의 레이저파워 설정방법
JP4470815B2 (ja) * 2005-05-31 2010-06-02 船井電機株式会社 レーザパワーモニター用出力電圧調整方法
KR100660879B1 (ko) * 2005-09-13 2006-12-26 삼성전자주식회사 기록 광 신호 제어 장치 및 방법
JP2007294026A (ja) 2006-04-26 2007-11-08 Hitachi-Lg Data Storage Inc 光ディスク装置及びその情報記録方法
CN101197140B (zh) * 2006-12-05 2011-07-27 鸿富锦精密工业（深圳）有限公司 光盘驱动器刻录功率调整方法及装置
CN101295529B (zh) * 2007-04-26 2011-02-02 鸿富锦精密工业（深圳）有限公司 光学记录装置及光学记录的控制方法
CN101315797B (zh) * 2007-06-01 2011-02-02 鸿富锦精密工业（深圳）有限公司 刻录脉冲宽度参数的调整方法及装置
JP2009127347A (ja) * 2007-11-27 2009-06-11 Panasonic Electric Works Co Ltd 自動ドア駆動装置及び自動ドア装置
US20090287450A1 (en) * 2008-05-16 2009-11-19 Lockheed Martin Corporation Vision system for scan planning of ultrasonic inspection
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
JP2010146599A (ja) * 2008-12-16 2010-07-01 Pioneer Electronic Corp 情報記録装置
US8914317B2 (en) * 2012-06-28 2014-12-16 International Business Machines Corporation Detecting anomalies in real-time in multiple time series data with automated thresholding

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WO2003071528A1 (en) * 2002-02-25 2003-08-28 Koninklijke Philips Electronics N.V. Controlling the temperature of a laser diode in a disk drive
JP3854917B2 (ja) * 2002-09-30 2006-12-06 富士通株式会社 光学的記憶装置及び発光制御用デイテクタの異常検出方法
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

Also Published As

Publication number Publication date
KR20050025047A (ko) 2005-03-11
US20060013091A1 (en) 2006-01-19
US20070153654A1 (en) 2007-07-05
KR100615004B1 (ko) 2006-08-25
CN1591637A (zh) 2005-03-09
TWI289837B (en) 2007-11-11
US7196996B2 (en) 2007-03-27
CN100576330C (zh) 2009-12-30
JP2005078787A (ja) 2005-03-24
US7826321B2 (en) 2010-11-02
JP4500025B2 (ja) 2010-07-14

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees