WO2009040924A1 - 記録装置及び方法、並びにコンピュータプログラム - Google Patents

記録装置及び方法、並びにコンピュータプログラム Download PDF

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Publication number
WO2009040924A1
WO2009040924A1 PCT/JP2007/068921 JP2007068921W WO2009040924A1 WO 2009040924 A1 WO2009040924 A1 WO 2009040924A1 JP 2007068921 W JP2007068921 W JP 2007068921W WO 2009040924 A1 WO2009040924 A1 WO 2009040924A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording
data
power
amplitude
pull signal
Prior art date
Application number
PCT/JP2007/068921
Other languages
English (en)
French (fr)
Inventor
Shoji Fuse
Junichi Furukawa
Hiroshi Nishiwaki
Yoshio Sasaki
Original Assignee
Pioneer Corporation
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 Pioneer Corporation filed Critical Pioneer Corporation
Priority to PCT/JP2007/068921 priority Critical patent/WO2009040924A1/ja
Publication of WO2009040924A1 publication Critical patent/WO2009040924A1/ja

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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
    • G11B7/004—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
    • G11B7/1267—Power calibration

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

記録装置（１）は、パワーを調整可能なレーザ光（ＬＢ）を記録媒体（１００）に照射することでデータを記録する記録手段（２２１、２３）と、パワーを複数通りに調整しつつ、較正用データを記録するように記録手段を制御する第１制御手段（２７）と、較正用データを読み取ることで得られる記録済プッシュプル信号の振幅を検出する検出手段（２８）と、記録済プッシュプル信号の振幅の未記録プッシュプル信号の振幅に対する比に基づいて最適パワーを算出する算出手段（２７）と、最適パワーのレーザ光を照射することでデータの記録を開始するように記録手段を制御する第２制御手段（２４）とを備える。
PCT/JP2007/068921 2007-09-28 2007-09-28 記録装置及び方法、並びにコンピュータプログラム WO2009040924A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068921 WO2009040924A1 (ja) 2007-09-28 2007-09-28 記録装置及び方法、並びにコンピュータプログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068921 WO2009040924A1 (ja) 2007-09-28 2007-09-28 記録装置及び方法、並びにコンピュータプログラム

Publications (1)

Publication Number Publication Date
WO2009040924A1 true WO2009040924A1 (ja) 2009-04-02

Family

ID=40510837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068921 WO2009040924A1 (ja) 2007-09-28 2007-09-28 記録装置及び方法、並びにコンピュータプログラム

Country Status (1)

Country Link
WO (1) WO2009040924A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002230766A (ja) * 2001-01-29 2002-08-16 Nec Corp 光ディスク記録装置及びその記録方法
JP2003099931A (ja) * 2001-09-21 2003-04-04 Ricoh Co Ltd 光ディスク装置
JP2005310256A (ja) * 2004-04-21 2005-11-04 Matsushita Electric Ind Co Ltd 情報記録方法および情報記録装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002230766A (ja) * 2001-01-29 2002-08-16 Nec Corp 光ディスク記録装置及びその記録方法
JP2003099931A (ja) * 2001-09-21 2003-04-04 Ricoh Co Ltd 光ディスク装置
JP2005310256A (ja) * 2004-04-21 2005-11-04 Matsushita Electric Ind Co Ltd 情報記録方法および情報記録装置

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