BRPI1015012A2 - método de ajuste para condição de gravação para uso com um dispositivo de disco óptico, dispositivo de disco óptico, métodos de reprodução de dados, e, para gravar dados. - Google Patents

método de ajuste para condição de gravação para uso com um dispositivo de disco óptico, dispositivo de disco óptico, métodos de reprodução de dados, e, para gravar dados.

Info

Publication number
BRPI1015012A2
BRPI1015012A2 BRPI1015012A BRPI1015012A BRPI1015012A2 BR PI1015012 A2 BRPI1015012 A2 BR PI1015012A2 BR PI1015012 A BRPI1015012 A BR PI1015012A BR PI1015012 A BRPI1015012 A BR PI1015012A BR PI1015012 A2 BRPI1015012 A2 BR PI1015012A2
Authority
BR
Brazil
Prior art keywords
optical disc
disc device
data
recording
condition setting
Prior art date
Application number
BRPI1015012A
Other languages
English (en)
Inventor
Hiroyuki Minemura
Takahiro Kurokawa
Original Assignee
Hitachi Consumer Electronics
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 Consumer Electronics filed Critical Hitachi Consumer Electronics
Publication of BRPI1015012A2 publication Critical patent/BRPI1015012A2/pt

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10046Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10046Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055Improvement 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10046Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055Improvement 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
    • G11B20/1012Improvement 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 partial response PR(1,2,2,2,1)
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10046Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10212Improvement 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10268Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10287Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
    • G11B20/10296Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10481Improvement or modification of read or write signals optimisation methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816Testing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816Testing
    • G11B20/182Testing using test patterns
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • G11B20/225Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions for reducing wow or flutter
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
    • G11B2220/2541Blu-ray discs; Blue laser DVR discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
BRPI1015012A 2009-04-14 2010-02-22 método de ajuste para condição de gravação para uso com um dispositivo de disco óptico, dispositivo de disco óptico, métodos de reprodução de dados, e, para gravar dados. BRPI1015012A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009097590A JP4764939B2 (ja) 2009-04-14 2009-04-14 記録条件の調整方法及び光ディスク装置
PCT/JP2010/052619 WO2010119722A1 (ja) 2009-04-14 2010-02-22 記録条件の調整方法,光ディスク装置,再生方法および情報の記録方法

Publications (1)

Publication Number Publication Date
BRPI1015012A2 true BRPI1015012A2 (pt) 2016-04-12

Family

ID=42109970

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1015012A BRPI1015012A2 (pt) 2009-04-14 2010-02-22 método de ajuste para condição de gravação para uso com um dispositivo de disco óptico, dispositivo de disco óptico, métodos de reprodução de dados, e, para gravar dados.

Country Status (8)

Country Link
US (2) US8085640B2 (pt)
EP (1) EP2242053A1 (pt)
JP (1) JP4764939B2 (pt)
CN (2) CN102157158B (pt)
BR (1) BRPI1015012A2 (pt)
MX (1) MX2011010754A (pt)
MY (1) MY149753A (pt)
WO (1) WO2010119722A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110079791A (ko) * 2008-10-09 2011-07-08 파나소닉 주식회사 광 기록 방법, 광 기록 장치, 원반 노광 장치, 광학적 정보 기록 매체 및 재생 방법
WO2010067496A1 (ja) * 2008-12-09 2010-06-17 パナソニック株式会社 光記録方法、光記録装置、原盤露光装置、光学的情報記録媒体および再生方法
JP5469390B2 (ja) * 2009-07-15 2014-04-16 日立コンシューマエレクトロニクス株式会社 再生信号評価方法及び記録調整方法
JP4812881B2 (ja) * 2010-01-20 2011-11-09 日立コンシューマエレクトロニクス株式会社 記録条件の調整方法及び光ディスク装置
KR101655269B1 (ko) * 2010-05-28 2016-09-07 삼성전자주식회사 무선통신시스템에서 자원분배 장치 및 방법
JP5507482B2 (ja) 2011-02-23 2014-05-28 日立コンシューマエレクトロニクス株式会社 再生信号評価方法、情報記録再生方法、及び情報記録再生装置
JP5623948B2 (ja) 2011-03-24 2014-11-12 日立コンシューマエレクトロニクス株式会社 推奨記録条件の決定方法及び記録調整方法
EP2839555A1 (de) * 2012-04-17 2015-02-25 Robert Bosch GmbH Schaltung zur erzeugung eines laserdiodenansteuerungssignals
JP2014022017A (ja) * 2012-07-20 2014-02-03 Hitachi Consumer Electronics Co Ltd 情報記録方法、情報記録装置、情報記録媒体及び媒体評価方法
JP2014116045A (ja) 2012-12-10 2014-06-26 Hitachi-Lg Data Storage Inc 情報再生性能の評価方法、情報再生装置及び情報記録媒体
JP2014146404A (ja) 2013-01-30 2014-08-14 Hitachi Consumer Electronics Co Ltd 品質評価方法、情報記録媒体、光ディスク装置および記録再生システム
WO2017126330A1 (ja) 2016-01-21 2017-07-27 ソニー株式会社 記録調整装置、記録調整方法、およびプログラム
US9886979B1 (en) * 2016-12-30 2018-02-06 Western Digital Technologies, Inc. Implementing BER-list modulation code for hard disk drives
US9892752B1 (en) * 2017-06-15 2018-02-13 Seagate Technology Llc Selecting a maximum laser power for a calibration based on a previously measured function
CN112945454A (zh) * 2019-12-11 2021-06-11 安普泰科电子韩国有限公司 压力感测装置及压力感测装置的处理方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3351163B2 (ja) 1994-07-27 2002-11-25 株式会社日立製作所 情報記録再生装置及び信号処理回路
KR100580166B1 (ko) * 1999-11-04 2006-05-15 삼성전자주식회사 등화기의 필터 계수를 조절하여 재생 성능을 높이는 장치및 방법
US20030067998A1 (en) * 2001-07-19 2003-04-10 Matsushita Electric Industrial Co., Ltd. Method for evaluating the quality of read signal and apparatus for reading information
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
US7082566B2 (en) * 2001-11-09 2006-07-25 Kabushiki Kaisha Toshiba Signal quality evaluation method, information recording/reproducing system, and recording compensation method
JP3668202B2 (ja) * 2002-03-13 2005-07-06 株式会社東芝 情報記録再生装置及びその信号評価方法
EP1351430B1 (en) * 2002-04-03 2005-10-05 Matsushita Electric Industrial Co., Ltd. Expansion key generating device, encryption device and encryption system
JP4515716B2 (ja) * 2002-04-03 2010-08-04 パナソニック株式会社 拡大鍵生成装置、暗号化装置および暗号化システム
JP3762356B2 (ja) * 2002-10-31 2006-04-05 株式会社東芝 光ディスク装置
CN100435231C (zh) * 2002-12-02 2008-11-19 松下电器产业株式会社 自适应均衡电路和自适应均衡方法
JP3857685B2 (ja) * 2003-01-28 2006-12-13 日本電気株式会社 信号評価方法と情報記録再生装置と情報再生装置及び情報媒体
EP1443509A3 (en) * 2003-01-28 2006-01-11 Kabushiki Kaisha Toshiba Signal evaluation method, information recording/reproducing apparatus, information reproducing apparatus, and information recording medium
JPWO2005031743A1 (ja) 2003-09-30 2006-12-07 松下電器産業株式会社 評価装置および評価方法
US7042666B2 (en) * 2003-09-30 2006-05-09 Hitachi Global Storage Technologies Netherlands B.V. Disk drive having improved timing marks
JP4377677B2 (ja) * 2003-12-25 2009-12-02 株式会社東芝 ディスク装置及びディスク再生方法
JP4313755B2 (ja) * 2004-05-07 2009-08-12 株式会社日立製作所 再生信号の評価方法および光ディスク装置
JP2005339597A (ja) 2004-05-24 2005-12-08 Canon Inc 情報信号の再生クロック生成回路およびそれを用いた情報記録再生装置
JP4160533B2 (ja) 2004-06-03 2008-10-01 株式会社東芝 光ディスク記録再生方法及び光ディスク記録再生装置
JP4407461B2 (ja) * 2004-10-21 2010-02-03 株式会社日立製作所 光ディスク装置
JP3711140B2 (ja) 2005-03-07 2005-10-26 株式会社東芝 情報記録再生装置及びその信号評価方法
WO2006103919A1 (ja) 2005-03-25 2006-10-05 Nec Corporation 情報記録媒体の記録条件調整方法及び情報記録再生装置
JP2006318547A (ja) 2005-05-11 2006-11-24 Sony Corp Prml復号装置、prml復号方法
JP2007128590A (ja) * 2005-11-02 2007-05-24 Nec Corp 光ディスク装置における評価、調整方法、及び光ディスク装置
JP2007149180A (ja) 2005-11-25 2007-06-14 Hitachi Ltd 光ディスク装置
JP5089939B2 (ja) 2006-08-11 2012-12-05 ソニーオプティアーク株式会社 記録再生装置、評価値演算方法
EP2043102A4 (en) * 2006-12-28 2011-07-06 Panasonic Corp Evaluation method for an information recording medium, information recording medium, method for producing an information recording medium, signal processing method, and access control device
KR100867124B1 (ko) 2007-02-15 2008-11-06 삼성전자주식회사 광디스크의 데이터 기록 및 재생 장치 및 방법
JP5057925B2 (ja) * 2007-10-18 2012-10-24 株式会社日立製作所 デジタル情報再生方法
WO2009107399A1 (ja) 2008-02-28 2009-09-03 パナソニック株式会社 信号評価方法および信号評価装置

Also Published As

Publication number Publication date
CN101866656B (zh) 2013-03-20
JP4764939B2 (ja) 2011-09-07
CN102157158B (zh) 2014-10-01
JP2010250881A (ja) 2010-11-04
US20120002527A1 (en) 2012-01-05
US8085640B2 (en) 2011-12-27
WO2010119722A1 (ja) 2010-10-21
CN102157158A (zh) 2011-08-17
MY149753A (en) 2013-10-14
EP2242053A1 (en) 2010-10-20
US20100260025A1 (en) 2010-10-14
CN101866656A (zh) 2010-10-20
MX2011010754A (es) 2012-01-20
US8264932B2 (en) 2012-09-11

Similar Documents

Publication Publication Date Title
BRPI1015012A2 (pt) método de ajuste para condição de gravação para uso com um dispositivo de disco óptico, dispositivo de disco óptico, métodos de reprodução de dados, e, para gravar dados.
BRPI0902891A2 (pt) dispositivo de reprodução, dispositivo de gravação, método de reprodução e método de gravação
EP2330533A4 (en) Recording/reproducing system, recording medium device, and recording/reproducing device
DK2521364T3 (da) Optagemedium, afspilningsindretning og optagefremgangsmåde
BRPI0905072A2 (pt) Meio de registro de informações ópticas, aparelho de registro e reprodução e disco de três e quatro camadas
BRPI0904806A2 (pt) Meio de gravação, dispositivo de reprodução e circuito integrado.
EP2352649A4 (en) CONTROL DEVICE, LASER PROJECTION DEVICE, RECORDING METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM
BRPI0904329A2 (pt) Método de avaliação de sinal de reprodução, unidade de avaliação de sinal de reprodução e dispositivo de disco adotando o mesmo
EP2472428A4 (en) Response determining device, response determining method, response determining program, recording medium and response determining system
EP2270801A4 (en) Recording medium, recording device, recording method, and reproduction device
BR112012015877A2 (pt) dispositivo de exibição de informações de programa, método de exibição de informações de programa, programa, e meio de gravação
FI20095299A0 (fi) Järjestelmä kuvalevyn ja sen kuvatietojen hallinnoimiseksi sekä menetelmä järjestelmän ohjaamiseksi
BRPI1001271A2 (pt) método para fabricar uma mídia de gravação óptica, e, mídia de gravação óptica.
BRPI1003631A2 (pt) método para fabricar um disco mestre, disco óptico de última geração, método e aparelho para reprodução de um disco óptico de última geração, e, aparelho para gravação para um disco óptico de última geração
BRPI1004211A2 (pt) meio de gravação de informações, método de gravação de informações, dispositivo de gravação de informações, método de reprodução de informações e dispositivo de reprodução de informações
BRPI0902893A2 (pt) Aparelho de inicialização de meio de gravação de informação, método para inicializar um meio de gravação de informação, aparelho de gravação de informação, método para gravar informação, e, meio de gravação de informação
BRPI0914938A2 (pt) meio de gravação, dispositivo de gravação e dispositivo de informações
EP2530290A4 (en) Method for determining fuel quality, program, computer readable recording medium having the program stored thereupon, and device for determining fuel quality
EP2410422A4 (en) SERVER DEVICE, SERVER CLIENT SYSTEM, SERVER PROGRAM AND RECORDING MEDIA WITH THE PROGRAM RECORDED THEREFROM
EP2528059A4 (en) Method for adjusting recording condition, optical disc device, and information recording method
BRPI0903909A2 (pt) Dispositivo de disco óptico, e, método de controle de foco
BRPI0913263A2 (pt) meio ótico de gravação, e dispositivo ótico de informação
EP2347910A4 (en) OPTICAL INFORMATION RECORDING MEDIUM, INFORMATION REGISTRATION PROCEDURE AND PHOTOSENSIBILIZER
EP2680186A4 (en) Optical information reading device, optical information reading method, computer-readable program, and recording medium
BRPI1000035A2 (pt) método de avaliação de sinal de reprodução, unidade de avaliação de sinal de reprodução e dispositivo de disco ótico adotando o mesmo

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2450 DE 19-12-2017 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.