BR112012014330A2 - métodos de ajuste de potência de gravação e de gravação de informação - Google Patents

métodos de ajuste de potência de gravação e de gravação de informação

Info

Publication number
BR112012014330A2
BR112012014330A2 BR112012014330A BR112012014330A BR112012014330A2 BR 112012014330 A2 BR112012014330 A2 BR 112012014330A2 BR 112012014330 A BR112012014330 A BR 112012014330A BR 112012014330 A BR112012014330 A BR 112012014330A BR 112012014330 A2 BR112012014330 A2 BR 112012014330A2
Authority
BR
Brazil
Prior art keywords
recording
recording power
pint
power
opt
Prior art date
Application number
BR112012014330A
Other languages
English (en)
Inventor
Harukazu Miyamoto
Koichi Watanabe
Soichiro Eto
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 BR112012014330A2 publication Critical patent/BR112012014330A2/pt

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
    • G11B7/004—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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Abstract

métodos para ajuste de potência de gravação e para gravação de informação. no ajuste de potência de gravação de um disco óptico tendo uma pluralidade de camadas de gravação de informação,dados de gravação de teste variam por efeitos de camadas diferentes das camadas de gravação de informação, e como resultado, é difícil determinar a potência de gravação ótima. usando uma pluralidade de tipos de potência de gravação pw [m] (m sendo um inteiro), uma modulação m [m] é obtida de uma amplitude de sinal de reprodução de um sinal de gravação de teste. ajustando a relação entre a pw [m] e a m [m] com uma expressão de característica de modulação m=masy x (1 -pint-pasy)/(pw-pasy)) tendo modulação assintótica masy, interseção de potência de gravação pint, e potência de gravação assintótica pasy como parâmetros, pelo menos uma interseção de potência de gravação ótima pint_opt é determinada. usando pelo menos a m [m], a expressão de característica de modulação e a pint_opt, a qualidade do sinal de gravação de teste e/ou a precisão de aproximação como resultado do ajuste são avaliadas. através de um cálculo predeterminado usando pelo menos a pint_opt, a potência de gravação ótima pw_opt é calculada.
BR112012014330A 2009-12-16 2010-03-02 métodos de ajuste de potência de gravação e de gravação de informação BR112012014330A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009284670A JP4586106B1 (ja) 2009-12-16 2009-12-16 評価方法
PCT/JP2010/053299 WO2011074277A1 (ja) 2009-12-16 2010-03-02 記録パワー調整方法及び情報記録方法

Publications (1)

Publication Number Publication Date
BR112012014330A2 true BR112012014330A2 (pt) 2016-07-05

Family

ID=43365193

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012014330A BR112012014330A2 (pt) 2009-12-16 2010-03-02 métodos de ajuste de potência de gravação e de gravação de informação

Country Status (9)

Country Link
US (2) US8472293B2 (pt)
EP (1) EP2515301A4 (pt)
JP (1) JP4586106B1 (pt)
CN (1) CN102656635B (pt)
BR (1) BR112012014330A2 (pt)
IN (1) IN2012DN05111A (pt)
MX (1) MX2012006933A (pt)
MY (1) MY152431A (pt)
WO (1) WO2011074277A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103473713A (zh) * 2013-09-03 2013-12-25 国家电网公司 一种用于调整断面功率的辅助决策方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560190B1 (en) * 2000-10-03 2003-05-06 Oak Technology, Inc. CD-RW OPC algorithm to minimize statistical fluctuations in power level
WO2005029479A1 (ja) * 2003-09-18 2005-03-31 Matsushita Electric Industrial Co., Ltd. 記録再生方法および記録再生装置
CN100474429C (zh) * 2003-11-06 2009-04-01 松下电器产业株式会社 记录/再现装置、记录/再现方法和记录功率调整装置
JP3902595B2 (ja) * 2004-01-22 2007-04-11 三洋電機株式会社 レーザパワー調整方法および光記録再生装置
KR101156709B1 (ko) * 2005-09-07 2012-06-14 삼성전자주식회사 광디스크장치의 기록파워 제어방법
JP2007172693A (ja) * 2005-12-20 2007-07-05 Matsushita Electric Ind Co Ltd 光ディスク、記録再生方法および記録再生装置
JP4474386B2 (ja) * 2006-05-30 2010-06-02 株式会社日立製作所 記録方法及び光ディスク装置
JP4580367B2 (ja) 2006-06-12 2010-11-10 株式会社日立製作所 記録パワー調節方法および光記録再生装置
CN101496102B (zh) * 2006-07-24 2011-04-06 松下电器产业株式会社 记录工作控制装置、集成电路、光盘记录再现装置及记录工作控制方法
JP4580450B1 (ja) * 2009-07-03 2010-11-10 株式会社日立製作所 記録パワー調整方法、情報記録方法及び評価方法

Also Published As

Publication number Publication date
IN2012DN05111A (pt) 2015-10-09
EP2515301A1 (en) 2012-10-24
CN102656635A (zh) 2012-09-05
US20120250483A1 (en) 2012-10-04
WO2011074277A1 (ja) 2011-06-23
MX2012006933A (es) 2012-07-10
JP2011129181A (ja) 2011-06-30
US8472293B2 (en) 2013-06-25
US8654620B2 (en) 2014-02-18
EP2515301A4 (en) 2014-12-03
MY152431A (en) 2014-09-30
JP4586106B1 (ja) 2010-11-24
CN102656635B (zh) 2015-06-17
US20130235711A1 (en) 2013-09-12

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B03G Publication of an application: publication cancelled [chapter 3.7 patent gazette]

Free format text: REFERENTE A RPI 2374 DE 05/07/2016, POR TER SIDO INDEVIDO.

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]