JP5059821B2 - 光ディスク装置 - Google Patents

光ディスク装置 Download PDF

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Publication number
JP5059821B2
JP5059821B2 JP2009198525A JP2009198525A JP5059821B2 JP 5059821 B2 JP5059821 B2 JP 5059821B2 JP 2009198525 A JP2009198525 A JP 2009198525A JP 2009198525 A JP2009198525 A JP 2009198525A JP 5059821 B2 JP5059821 B2 JP 5059821B2
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JP
Japan
Prior art keywords
lpp
signal
pattern portion
unit
optical disc
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
Application number
JP2009198525A
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English (en)
Japanese (ja)
Other versions
JP2011048890A5 (enExample
JP2011048890A (ja
Inventor
哲男 芦澤
博巳 本間
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.)
Renesas Electronics Corp
Original Assignee
Renesas Electronics Corp
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 Renesas Electronics Corp filed Critical Renesas Electronics Corp
Priority to JP2009198525A priority Critical patent/JP5059821B2/ja
Priority to US12/801,427 priority patent/US8027233B2/en
Priority to CN201010237082.3A priority patent/CN102005229B/zh
Publication of JP2011048890A publication Critical patent/JP2011048890A/ja
Publication of JP2011048890A5 publication Critical patent/JP2011048890A5/ja
Application granted granted Critical
Publication of JP5059821B2 publication Critical patent/JP5059821B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10324—Improvement or modification of read or write signals signal quality assessment asymmetry of the recorded or reproduced waveform
    • G11B20/10333—Improvement or modification of read or write signals signal quality assessment asymmetry of the recorded or reproduced waveform wherein the asymmetry is linked to domain bloom
    • 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
    • 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
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects
    • 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
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
    • G11B20/10425—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by counting out-of-lock events of a PLL
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1287—Synchronisation pattern, e.g. VCO fields
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2009198525A 2009-08-28 2009-08-28 光ディスク装置 Expired - Fee Related JP5059821B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009198525A JP5059821B2 (ja) 2009-08-28 2009-08-28 光ディスク装置
US12/801,427 US8027233B2 (en) 2009-08-28 2010-06-08 Optical disk device
CN201010237082.3A CN102005229B (zh) 2009-08-28 2010-07-21 光盘装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009198525A JP5059821B2 (ja) 2009-08-28 2009-08-28 光ディスク装置

Publications (3)

Publication Number Publication Date
JP2011048890A JP2011048890A (ja) 2011-03-10
JP2011048890A5 JP2011048890A5 (enExample) 2012-04-05
JP5059821B2 true JP5059821B2 (ja) 2012-10-31

Family

ID=43624741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009198525A Expired - Fee Related JP5059821B2 (ja) 2009-08-28 2009-08-28 光ディスク装置

Country Status (3)

Country Link
US (1) US8027233B2 (enExample)
JP (1) JP5059821B2 (enExample)
CN (1) CN102005229B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8172546B2 (en) * 1998-11-23 2012-05-08 Entegris, Inc. System and method for correcting for pressure variations using a motor
EP1859169A2 (en) 2004-11-23 2007-11-28 Entegris, Inc. System and method for a variable home position dispense system
US8753097B2 (en) * 2005-11-21 2014-06-17 Entegris, Inc. Method and system for high viscosity pump
EP1952022B1 (en) 2005-11-21 2014-11-12 Entegris, Inc. System and method for a pump with reduced form factor
KR101243509B1 (ko) 2005-12-02 2013-03-20 엔테그리스, 아이엔씨. 펌프에서의 압력 보상을 위한 시스템 및 방법
US8083498B2 (en) 2005-12-02 2011-12-27 Entegris, Inc. System and method for position control of a mechanical piston in a pump
US7878765B2 (en) * 2005-12-02 2011-02-01 Entegris, Inc. System and method for monitoring operation of a pump
KR101243524B1 (ko) * 2005-12-02 2013-03-20 엔테그리스, 아이엔씨. 모터를 이용한 압력 변동 보정 시스템 및 보정 방법
TWI402423B (zh) * 2006-02-28 2013-07-21 Entegris Inc 用於一幫浦操作之系統及方法
US9165598B2 (en) * 2012-09-25 2015-10-20 Oracle International Corporation Pre-compensated optical tape wobble patterns
US8699164B1 (en) * 2012-10-12 2014-04-15 Lsi Corporation Data recovery using no sync mark retry

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3835787B2 (ja) * 1999-02-08 2006-10-18 パイオニア株式会社 再生装置
JP2002150564A (ja) * 2000-11-13 2002-05-24 Victor Co Of Japan Ltd 円盤状記録媒体の復号装置
JP2002216354A (ja) * 2001-01-15 2002-08-02 Pioneer Electronic Corp プリピット検出装置
KR100493017B1 (ko) * 2002-04-17 2005-06-07 삼성전자주식회사 광기록매체의 섹터 싱크 신호 검출 장치 및 방법
JP2003323719A (ja) * 2002-04-30 2003-11-14 Fuji Photo Film Co Ltd 光情報再生装置
JP3969711B2 (ja) * 2002-05-23 2007-09-05 太陽誘電株式会社 光ディスク記録方法および装置
JP2005310248A (ja) * 2004-04-20 2005-11-04 Sony Corp 光記録媒体再生装置及びその収差量検出方法
JP4075075B2 (ja) 2005-08-26 2008-04-16 日本電気株式会社 情報信号再生装置、方法、及び、光ディスク再生装置
JP2009151888A (ja) * 2007-12-21 2009-07-09 Canon Inc 検出装置及び検出方法

Also Published As

Publication number Publication date
CN102005229A (zh) 2011-04-06
US8027233B2 (en) 2011-09-27
CN102005229B (zh) 2014-05-07
JP2011048890A (ja) 2011-03-10
US20110051576A1 (en) 2011-03-03

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