JP2009238301A - データ記録評価方法及び光ディスク記録再生装置 - Google Patents

データ記録評価方法及び光ディスク記録再生装置 Download PDF

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Publication number
JP2009238301A
JP2009238301A JP2008082369A JP2008082369A JP2009238301A JP 2009238301 A JP2009238301 A JP 2009238301A JP 2008082369 A JP2008082369 A JP 2008082369A JP 2008082369 A JP2008082369 A JP 2008082369A JP 2009238301 A JP2009238301 A JP 2009238301A
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JP
Japan
Prior art keywords
recording
state
data
evaluation index
index value
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.)
Pending
Application number
JP2008082369A
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English (en)
Japanese (ja)
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JP2009238301A5 (enExample
Inventor
Hiroya Kakimoto
博哉 垣本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Yuden Co Ltd
Original Assignee
Taiyo Yuden Co Ltd
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 Taiyo Yuden Co Ltd filed Critical Taiyo Yuden Co Ltd
Priority to JP2008082369A priority Critical patent/JP2009238301A/ja
Priority to KR1020107024125A priority patent/KR20100132047A/ko
Priority to PCT/JP2009/056848 priority patent/WO2009119902A1/ja
Priority to US12/934,645 priority patent/US20110019520A1/en
Priority to EP09726161A priority patent/EP2270781A4/en
Publication of JP2009238301A publication Critical patent/JP2009238301A/ja
Publication of JP2009238301A5 publication Critical patent/JP2009238301A5/ja
Pending legal-status Critical Current

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    • 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
    • G11B7/00458—Verification, i.e. checking data during or after recording
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B7/12—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2008082369A 2008-03-27 2008-03-27 データ記録評価方法及び光ディスク記録再生装置 Pending JP2009238301A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008082369A JP2009238301A (ja) 2008-03-27 2008-03-27 データ記録評価方法及び光ディスク記録再生装置
KR1020107024125A KR20100132047A (ko) 2008-03-27 2009-03-26 데이터 기록 평가 방법 및 광디스크 기록 재생 장치
PCT/JP2009/056848 WO2009119902A1 (ja) 2008-03-27 2009-03-26 データ記録評価方法及び光ディスク記録再生装置
US12/934,645 US20110019520A1 (en) 2008-03-27 2009-03-26 Data recording evaluating method and optical disk recording and reproducing device
EP09726161A EP2270781A4 (en) 2008-03-27 2009-03-26 DATA RECORDING EVALUATION METHOD AND OPTICAL DATA CARRIER RECORDING AND REPRODUCING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008082369A JP2009238301A (ja) 2008-03-27 2008-03-27 データ記録評価方法及び光ディスク記録再生装置

Publications (2)

Publication Number Publication Date
JP2009238301A true JP2009238301A (ja) 2009-10-15
JP2009238301A5 JP2009238301A5 (enExample) 2011-04-14

Family

ID=41114080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008082369A Pending JP2009238301A (ja) 2008-03-27 2008-03-27 データ記録評価方法及び光ディスク記録再生装置

Country Status (5)

Country Link
US (1) US20110019520A1 (enExample)
EP (1) EP2270781A4 (enExample)
JP (1) JP2009238301A (enExample)
KR (1) KR20100132047A (enExample)
WO (1) WO2009119902A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013062000A (ja) * 2010-01-18 2013-04-04 Panasonic Corp 光ディスク記録再生装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001186027A (ja) * 1999-12-24 2001-07-06 Victor Co Of Japan Ltd ビタビ復号器及びビタビ復号方法
JP2005267759A (ja) * 2004-03-19 2005-09-29 Sanyo Electric Co Ltd 復号装置
JP2005346897A (ja) * 2004-05-07 2005-12-15 Hitachi Ltd 再生信号の評価方法および光ディスク装置
JP2007242149A (ja) * 2006-03-09 2007-09-20 Taiyo Yuden Co Ltd 光情報記録再生装置、光情報記録処理方法、光情報記録媒体、プログラム、及び中央演算装置
JP2007323781A (ja) * 2006-06-02 2007-12-13 Taiyo Yuden Co Ltd 光情報記録方法および装置および信号処理回路および記録再生プログラムおよび情報記録媒体
JP4523583B2 (ja) * 2006-12-27 2010-08-11 太陽誘電株式会社 データ記録評価方法及び光ディスク記録再生装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815543B2 (ja) * 2000-12-27 2006-08-30 日本電気株式会社 記録状態検出装置およびこれを備えた情報記録再生装置
JP3926688B2 (ja) 2001-07-19 2007-06-06 松下電器産業株式会社 再生信号品質評価方法および情報再生装置
JP3697409B2 (ja) 2001-11-09 2005-09-21 株式会社東芝 信号品質評価方法および記録補償方法
JP4154608B2 (ja) * 2004-05-27 2008-09-24 日本電気株式会社 情報記録媒体への記録方法及び情報記録再生装置並びに情報記録媒体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001186027A (ja) * 1999-12-24 2001-07-06 Victor Co Of Japan Ltd ビタビ復号器及びビタビ復号方法
JP2005267759A (ja) * 2004-03-19 2005-09-29 Sanyo Electric Co Ltd 復号装置
JP2005346897A (ja) * 2004-05-07 2005-12-15 Hitachi Ltd 再生信号の評価方法および光ディスク装置
JP2007242149A (ja) * 2006-03-09 2007-09-20 Taiyo Yuden Co Ltd 光情報記録再生装置、光情報記録処理方法、光情報記録媒体、プログラム、及び中央演算装置
JP2007323781A (ja) * 2006-06-02 2007-12-13 Taiyo Yuden Co Ltd 光情報記録方法および装置および信号処理回路および記録再生プログラムおよび情報記録媒体
JP4523583B2 (ja) * 2006-12-27 2010-08-11 太陽誘電株式会社 データ記録評価方法及び光ディスク記録再生装置

Also Published As

Publication number Publication date
US20110019520A1 (en) 2011-01-27
KR20100132047A (ko) 2010-12-16
EP2270781A4 (en) 2011-09-14
WO2009119902A1 (ja) 2009-10-01
EP2270781A1 (en) 2011-01-05

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