TW200739549A - An optical drive having a laser driver device with an adjustable power level - Google Patents

An optical drive having a laser driver device with an adjustable power level

Info

Publication number
TW200739549A
TW200739549A TW095139887A TW95139887A TW200739549A TW 200739549 A TW200739549 A TW 200739549A TW 095139887 A TW095139887 A TW 095139887A TW 95139887 A TW95139887 A TW 95139887A TW 200739549 A TW200739549 A TW 200739549A
Authority
TW
Taiwan
Prior art keywords
optical drive
driver device
power level
laser driver
adjustable power
Prior art date
Application number
TW095139887A
Other languages
English (en)
Inventor
James Joseph Anthony Mccormack
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200739549A publication Critical patent/TW200739549A/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
TW095139887A 2005-10-31 2006-10-27 An optical drive having a laser driver device with an adjustable power level TW200739549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05110171 2005-10-31

Publications (1)

Publication Number Publication Date
TW200739549A true TW200739549A (en) 2007-10-16

Family

ID=37807985

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095139887A TW200739549A (en) 2005-10-31 2006-10-27 An optical drive having a laser driver device with an adjustable power level

Country Status (7)

Country Link
US (1) US20080219115A1 (zh)
EP (1) EP1955322A2 (zh)
JP (1) JP2009514132A (zh)
KR (1) KR20080066830A (zh)
CN (1) CN101601089A (zh)
TW (1) TW200739549A (zh)
WO (1) WO2007052178A2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100922431B1 (ko) * 2008-01-16 2009-10-16 도시바삼성스토리지테크놀러지코리아 주식회사 회로 장치 및 이를 이용한 광 디스크 드라이브

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605577B2 (ja) * 1993-03-19 1997-04-30 ヤマハ株式会社 光ディスク記録装置
JPH0934867A (ja) * 1995-07-24 1997-02-07 Mitsubishi Electric Corp マイクロコンピュータ
HUP0202465A2 (en) * 2000-05-09 2002-12-28 Koninkl Philips Electronics Nv Method and device for recording an information signal on an information layer of a recording medium
US6987717B2 (en) * 2000-08-10 2006-01-17 Ricoh Company, Ltd. Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk
TW548633B (en) * 2001-02-09 2003-08-21 Acer Labs Inc Constant angular velocity data write system and the laser power control method thereof
US7099251B2 (en) * 2001-10-15 2006-08-29 Shinano Kenshi Kabushiki Kaisha Method of controlling laser power and optical disk player
JP3931133B2 (ja) * 2002-10-29 2007-06-13 株式会社日立製作所 光ディスク装置および位相調整方法
US20040130993A1 (en) * 2003-01-02 2004-07-08 Nedi Nadershahi Method and apparatus for a high speed write strategy
US7317674B2 (en) * 2003-03-11 2008-01-08 Intersil Americas Inc. Optical pick-up units and laser drivers with increased functionality
WO2004086387A1 (en) * 2003-03-27 2004-10-07 Koninklijke Philips Electronics N.V. Radiation source driving device and method for driving a radiation source
TWI241571B (en) * 2004-05-25 2005-10-11 Mediatek Inc Multi-directional controlling method of optical disk drive laser power and device using same

Also Published As

Publication number Publication date
JP2009514132A (ja) 2009-04-02
EP1955322A2 (en) 2008-08-13
WO2007052178A2 (en) 2007-05-10
WO2007052178A3 (en) 2009-08-13
US20080219115A1 (en) 2008-09-11
KR20080066830A (ko) 2008-07-16
CN101601089A (zh) 2009-12-09

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