BR9902936A - Processo de escrita adaptativo para uma aparelhagem ótica de alta densidade e um circuito para o mesmo, e mais particularmente, a um processo de escria adaptativo para otimização da potência luminosa de uma fonte luminosa, por exemplo, um diodo de laser, que seja adequado as caracterìsticas de uma aparelhagem de registro, e um circuito para o mesmo. - Google Patents
Processo de escrita adaptativo para uma aparelhagem ótica de alta densidade e um circuito para o mesmo, e mais particularmente, a um processo de escria adaptativo para otimização da potência luminosa de uma fonte luminosa, por exemplo, um diodo de laser, que seja adequado as caracterìsticas de uma aparelhagem de registro, e um circuito para o mesmo.Info
- Publication number
- BR9902936A BR9902936A BR9902936-7A BR9902936A BR9902936A BR 9902936 A BR9902936 A BR 9902936A BR 9902936 A BR9902936 A BR 9902936A BR 9902936 A BR9902936 A BR 9902936A
- Authority
- BR
- Brazil
- Prior art keywords
- circuit
- writing process
- adaptive writing
- adaptive
- magnitude
- Prior art date
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
- G11B7/006—Overwriting
- G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
PROCESSO DE ESCRITA ADAPTATIVO PARA APARELHAGEM DE REGISTRO óTICO DE ALTA DENSIDADE E CIRCUITO PARA O MESMO. São fornecidos processo de escrita adaptativo para aparelhagem de registro ótico de alta-densidade e um circuito para o mesmo. O circuito inclui um discriminador para a discriminação da magnitude da marca presente do dado de entrada e das magnitudes dos espaços de trilha e/ou principal, um gerador para controlar a forma de onda do pulso de escrita de acordo com a magnitude da marca presente do dado de entrada e das magnitudes dos espaços de trilha e/ou principal para a geração de um pulso de escrita adaptativo, e um driver para o acionamento da fonte luminosa através da conversão do pulso de escrita adaptativo em um sinal de corrente de acordo com os níveis de potência de acionamento para os canais respectivos. As larguras do primeiro e/ou último pulsos de uma forma de onda de pulso de escrita são variadas de acordo com a magnitude da marca presente do dado de entrada NRZI e da magnitude dos espaços de trilha e/ou principal, minimizando assim a instabilidade para acentuar a confiabilidade e desempenho do sistema.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980029732A KR100354737B1 (ko) | 1997-12-30 | 1998-07-23 | 고밀도 광기록기기를 위한 적응적인 기록방법 및 그 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9902936A true BR9902936A (pt) | 2000-03-14 |
BR9902936B1 BR9902936B1 (pt) | 2015-02-18 |
Family
ID=36973945
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9917693-9A BR9917693B1 (pt) | 1998-07-23 | 1999-07-23 | Circuito de escrita adaptativo para escrita de dado de entrada em um mecanismo de registro ótico, e circuito de geração de pulso de escrita adaptativo |
BRPI9902936-7A BR9902936B1 (pt) | 1998-07-23 | 1999-07-23 | Processo de escrita adaptativo para uma aparelhagem ótica de alta densidade e um circuito para o mesmo, e mais particularmente, a um processo de escrita adaptativo para otimização da potência luminosa de uma fonte luminosa, por exemplo, um diodo de laser, que seja adequado às características de uma aparelhagem de registro, e um circuito para o mesmo. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9917693-9A BR9917693B1 (pt) | 1998-07-23 | 1999-07-23 | Circuito de escrita adaptativo para escrita de dado de entrada em um mecanismo de registro ótico, e circuito de geração de pulso de escrita adaptativo |
Country Status (11)
Country | Link |
---|---|
US (1) | US6631110B1 (pt) |
EP (4) | EP1282117B1 (pt) |
JP (6) | JP2000048362A (pt) |
CN (6) | CN1174395C (pt) |
BR (2) | BR9917693B1 (pt) |
DE (2) | DE69942041D1 (pt) |
HK (5) | HK1038823B (pt) |
ID (1) | ID25963A (pt) |
MY (2) | MY125795A (pt) |
RU (1) | RU2195716C2 (pt) |
SG (2) | SG93212A1 (pt) |
Families Citing this family (37)
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US7158461B1 (en) * | 1997-12-30 | 2007-01-02 | Samsung Electronics Co., Ltd. | Adaptive writing method for high-density optical recording apparatus and circuit thereof |
US7391698B2 (en) * | 1998-07-23 | 2008-06-24 | Samsung Electronics Co., Ltd. | Adaptive writing method for high-density optical recording apparatus and circuit thereof |
US6925040B1 (en) * | 1998-08-04 | 2005-08-02 | Hitachi, Ltd. | Information recording method, information recording medium and information recording apparatus |
JP2001067669A (ja) * | 1999-08-31 | 2001-03-16 | Sony Corp | 記録装置、記録方法 |
JP2002298350A (ja) * | 2001-03-28 | 2002-10-11 | Tdk Corp | 光記録方法、光記録装置及び光記録媒体 |
US6914866B2 (en) | 2001-04-06 | 2005-07-05 | Ricoh Company, Ltd. | Optical information recording medium and information recording method and apparatus using the recording medium |
TWI242194B (en) | 2001-09-26 | 2005-10-21 | Sony Corp | Parallel/serial conversion circuit, light output control circuit, and optical recording apparatus |
TWI261236B (en) * | 2001-09-29 | 2006-09-01 | Samsung Electronics Co Ltd | Method for forming first state and second state on optical recording medium |
KR100455377B1 (ko) * | 2002-01-18 | 2004-11-06 | 삼성전자주식회사 | 다양한 광 매체에 적합한 기록 펄스 발생 장치 및 방법 |
KR100459702B1 (ko) | 2002-02-22 | 2004-12-04 | 삼성전자주식회사 | 광 구동기에 있어서 기록 광 파워 제어장치 및 방법 |
JP4142338B2 (ja) | 2002-05-09 | 2008-09-03 | 富士フイルム株式会社 | 光情報記録方法 |
JP2004103100A (ja) | 2002-09-09 | 2004-04-02 | Tdk Corp | 光記録媒体への情報記録方法、情報記録装置及び光記録媒体 |
KR100446307B1 (ko) * | 2002-09-11 | 2004-09-01 | 삼성전자주식회사 | 광 기록기기의 자동 파워 캘리브레이션 장치 및 그 방법 |
JP2004171642A (ja) | 2002-11-19 | 2004-06-17 | Tdk Corp | 光記録媒体、光記録方法及び光記録装置 |
AU2003288773A1 (en) * | 2003-01-23 | 2004-08-13 | Samsung Electronics Co., Ltd. | Optical recording medium, method and apparatus for recording data thereon |
KR20040067778A (ko) * | 2003-01-23 | 2004-07-30 | 삼성전자주식회사 | 광 기록 매체, 이에 데이터를 기록하는 방법 및 그 장치 |
TW200506897A (en) * | 2003-08-13 | 2005-02-16 | Benq Corp | Uniform write strategy method for writing an optical disk |
JP2005092942A (ja) | 2003-09-16 | 2005-04-07 | Hitachi Ltd | 光ディスク記録方法、光ディスク装置、及び光ディスク |
KR20070001083A (ko) * | 2003-12-19 | 2007-01-03 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록매체와 기록매체의 제조방법 |
KR100532489B1 (ko) * | 2004-01-06 | 2005-12-01 | 삼성전자주식회사 | 광디스크 기록 제어 방법 및 이에 적합한 광디스크 기록장치 |
CN101599277B (zh) | 2004-01-09 | 2011-05-04 | 松下电器产业株式会社 | 光记录方法、光盘介质及再现方法 |
JP4213600B2 (ja) * | 2004-02-12 | 2009-01-21 | Tdk株式会社 | 光記録媒体への情報記録方法及び情報記録装置 |
JP3907639B2 (ja) * | 2004-05-10 | 2007-04-18 | 三菱電機株式会社 | 光記録方法及び光記録装置 |
JP4395450B2 (ja) * | 2005-02-08 | 2010-01-06 | 太陽誘電株式会社 | 光情報記録装置および信号処理回路 |
US7006420B1 (en) | 2005-02-17 | 2006-02-28 | Mediatek Incorporation | Method for tuning write strategy parameters of an optical storage device, and system thereof |
US8369199B2 (en) * | 2005-02-17 | 2013-02-05 | Mediatek Inc. | Methods and systems for tuning at least one write strategy parameter of an optical storage device |
US7773469B2 (en) * | 2005-05-18 | 2010-08-10 | Mediatek Inc. | Methods for tuning write strategy parameters utilizing data-to-clock edge deviations, and systems thereof |
US7778122B2 (en) * | 2005-05-18 | 2010-08-17 | Mediatek Incorporation | Methods for tuning write strategy parameters utilizing data-to-clock edge deviations, and systems thereof |
EP2321731A4 (en) * | 2008-09-05 | 2014-07-30 | Doug Carson & Associates Inc | COMPENSATION FOR DIFFERENT GEOMETRIES OF TRANSDUCER TRANSLATION ROADS |
MY151264A (en) * | 2008-10-01 | 2014-04-30 | Panasonic Corp | Information recording medium and recording/ reproducing device |
US8289829B2 (en) * | 2008-10-01 | 2012-10-16 | Panasonic Corporation | Information recording medium and recording/reproduction apparatus |
WO2010094196A1 (en) * | 2009-02-18 | 2010-08-26 | Mediatek Inc. | Controller and method employed in optical storage apparatus for generating control signals each having minimum transmission pulse length corresponding to more than one power symbol period |
JP5507580B2 (ja) * | 2009-12-18 | 2014-05-28 | パナソニック株式会社 | 光学的情報記録方法、光学的情報記録装置、光学的情報再生方法、光学的情報再生装置および光学的情報記録媒体 |
WO2011111366A1 (ja) * | 2010-03-08 | 2011-09-15 | パナソニック株式会社 | 記録方法、記録装置および情報記録媒体 |
US8983262B2 (en) * | 2011-05-10 | 2015-03-17 | Canon Kabushiki Kaisha | Information recording apparatus and controlling method thereof |
CN113127807B (zh) * | 2021-04-19 | 2023-02-24 | 深圳华创电科技术有限公司 | 一种基于约束最小二乘算法的Mode5前导脉冲抖动值计算方法 |
CN113347375B (zh) * | 2021-06-01 | 2023-01-03 | 天津大学 | 脉冲图像传感器的像素闪烁抑制方法 |
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JP3177116B2 (ja) | 1994-04-20 | 2001-06-18 | 松下電器産業株式会社 | 光学的情報記録媒体および光学的記録再生装置 |
US5850378A (en) * | 1994-11-10 | 1998-12-15 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for recording data on an optical disk and or groove |
JPH0981937A (ja) | 1995-09-12 | 1997-03-28 | Nippon Columbia Co Ltd | 光ディスク記録装置 |
DE69612833T2 (de) * | 1995-10-09 | 2001-08-30 | Matsushita Electric Industrial Co., Ltd. | Verfahren und vorrichtung zur aufnahme von optischer information |
JP3748089B2 (ja) * | 1996-09-18 | 2006-02-22 | ソニー株式会社 | データ記録装置およびデータ記録方法 |
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US5768235A (en) * | 1996-10-08 | 1998-06-16 | Imation Corp. | Control signal for recording a disc according to a clock signal, data signal, and an index signal |
JP3608926B2 (ja) * | 1996-12-26 | 2005-01-12 | 株式会社日立製作所 | 情報記録装置 |
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1998
- 1998-07-23 MY MYPI99003099A patent/MY125795A/en unknown
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1999
- 1999-07-21 DE DE69942041T patent/DE69942041D1/de not_active Expired - Lifetime
- 1999-07-21 SG SG9903606A patent/SG93212A1/en unknown
- 1999-07-21 DE DE69932779T patent/DE69932779T2/de not_active Expired - Lifetime
- 1999-07-21 EP EP02079350A patent/EP1282117B1/en not_active Expired - Lifetime
- 1999-07-21 EP EP99305761A patent/EP0977184B1/en not_active Expired - Lifetime
- 1999-07-21 EP EP02079349A patent/EP1282122A3/en not_active Withdrawn
- 1999-07-21 SG SG200203193A patent/SG108853A1/en unknown
- 1999-07-21 EP EP02079398A patent/EP1288922A3/en not_active Withdrawn
- 1999-07-22 MY MYPI20021933A patent/MY135200A/en unknown
- 1999-07-22 JP JP11208139A patent/JP2000048362A/ja active Pending
- 1999-07-22 RU RU99115773/28A patent/RU2195716C2/ru active
- 1999-07-23 CN CNB991116763A patent/CN1174395C/zh not_active Expired - Lifetime
- 1999-07-23 BR BRPI9917693-9A patent/BR9917693B1/pt active IP Right Grant
- 1999-07-23 CN CNB011089873A patent/CN1144189C/zh not_active Expired - Lifetime
- 1999-07-23 CN CNB011089989A patent/CN1162850C/zh not_active Expired - Lifetime
- 1999-07-23 US US09/359,128 patent/US6631110B1/en not_active Expired - Lifetime
- 1999-07-23 ID IDP990700D patent/ID25963A/id unknown
- 1999-07-23 CN CNB011089881A patent/CN1157721C/zh not_active Expired - Lifetime
- 1999-07-23 BR BRPI9902936-7A patent/BR9902936B1/pt active IP Right Grant
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2000
- 2000-10-19 JP JP2000319957A patent/JP2001143265A/ja active Pending
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2001
- 2001-02-28 CN CNB011089857A patent/CN1149556C/zh not_active Expired - Lifetime
- 2001-02-28 CN CNB011089865A patent/CN1146885C/zh not_active Expired - Lifetime
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2002
- 2002-01-09 JP JP2002002741A patent/JP2002237037A/ja active Pending
- 2002-01-09 JP JP2002002749A patent/JP2002237038A/ja active Pending
- 2002-01-09 JP JP2002002742A patent/JP2002237043A/ja active Pending
- 2002-01-15 HK HK02100300.3A patent/HK1038823B/zh not_active IP Right Cessation
- 2002-01-15 HK HK02100299.6A patent/HK1038822B/zh not_active IP Right Cessation
- 2002-01-15 HK HK02100297.8A patent/HK1038820B/zh not_active IP Right Cessation
- 2002-01-15 HK HK02100298.7A patent/HK1038821B/zh not_active IP Right Cessation
- 2002-01-15 HK HK02100296.9A patent/HK1038819B/zh not_active IP Right Cessation
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2005
- 2005-04-12 JP JP2005115156A patent/JP4220491B2/ja not_active Expired - Fee Related
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