BRPI0905745A2 - Método de avaliação de sinal de reprodução, meio de gravação de informações, aparelho de reprodução e aparelho de gravação - Google Patents
Método de avaliação de sinal de reprodução, meio de gravação de informações, aparelho de reprodução e aparelho de gravaçãoInfo
- Publication number
- BRPI0905745A2 BRPI0905745A2 BRPI0905745-5A BRPI0905745A BRPI0905745A2 BR PI0905745 A2 BRPI0905745 A2 BR PI0905745A2 BR PI0905745 A BRPI0905745 A BR PI0905745A BR PI0905745 A2 BRPI0905745 A2 BR PI0905745A2
- Authority
- BR
- Brazil
- Prior art keywords
- playback
- evaluation method
- recording medium
- information recording
- playback signal
- Prior art date
Links
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
- G11B20/14—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
- 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
- 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
- G11B20/1012—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 partial response PR(1,2,2,2,1)
-
- 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
- G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
- G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
-
- 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
- G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
- G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
- G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
-
- 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
- G11B20/10407—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by verifying the timing of signal transitions, e.g. rising or falling edges, or by analysing signal slopes
-
- 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
- G11B20/10481—Improvement or modification of read or write signals optimisation methods
-
- 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
- G11B20/10481—Improvement or modification of read or write signals optimisation methods
- G11B20/1049—Improvement or modification of read or write signals optimisation methods using closed-form solutions
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- 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
- 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
- G11B7/005—Reproducing
-
- 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
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
- G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
-
- 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
- G11B2220/2541—Blu-ray discs; Blue laser DVR discs
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008257679 | 2008-10-02 | ||
| PCT/JP2009/004991 WO2010038427A1 (ja) | 2008-10-02 | 2009-09-29 | 再生信号評価方法、情報記録媒体、再生装置、記録装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0905745A2 true BRPI0905745A2 (pt) | 2015-07-14 |
Family
ID=42073209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0905745-5A BRPI0905745A2 (pt) | 2008-10-02 | 2009-09-29 | Método de avaliação de sinal de reprodução, meio de gravação de informações, aparelho de reprodução e aparelho de gravação |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8243571B2 (pt) |
| EP (1) | EP2333776A4 (pt) |
| JP (1) | JPWO2010038427A1 (pt) |
| KR (1) | KR20110081768A (pt) |
| CN (1) | CN101884070A (pt) |
| BR (1) | BRPI0905745A2 (pt) |
| CA (1) | CA2707185A1 (pt) |
| MX (1) | MX2010005892A (pt) |
| RU (1) | RU2010122319A (pt) |
| TW (1) | TW201030738A (pt) |
| WO (1) | WO2010038427A1 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8179760B2 (en) * | 2008-10-02 | 2012-05-15 | Panasonic Corporation | Reproduction signal evaluation method, information recording medium, reproduction apparatus and recording apparatus |
| KR20110081768A (ko) | 2008-10-02 | 2011-07-14 | 파나소닉 주식회사 | 재생 신호 평가 방법, 정보 기록 매체, 재생 장치, 기록 장치 |
| JP7442100B2 (ja) * | 2019-03-29 | 2024-03-04 | パナソニックＩｐマネジメント株式会社 | 記録状態評価方法、記録補償方法及び情報記録再生装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251256A (ja) | 1988-08-15 | 1990-02-21 | Nec Corp | 半導体装置用封止キャップ |
| JP3374086B2 (ja) * | 1998-08-28 | 2003-02-04 | 三洋電機株式会社 | 光磁気記録媒体 |
| 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 |
| 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 |
| 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 |
| JP4102738B2 (ja) * | 2002-12-17 | 2008-06-18 | 日本電気株式会社 | 光ディスクの信号品質評価方法、品質評価装置、および、光ディスク装置 |
| US7038869B2 (en) * | 2003-04-14 | 2006-05-02 | Matsushita Electric Industrial Co., Ltd. | Recording control apparatus, recording and reproduction apparatus, and recording control method |
| JP2004335079A (ja) | 2003-04-14 | 2004-11-25 | Matsushita Electric Ind Co Ltd | 記録制御装置、記録再生装置および記録制御方法 |
| US7646686B2 (en) * | 2003-11-06 | 2010-01-12 | Panasonic Corporation | Recording/reproduction apparatus which adjusts recording power based on a partial response maximum likelihood (PRML) technique |
| JP4429086B2 (ja) * | 2004-03-09 | 2010-03-10 | 三洋電機株式会社 | 光ディスク記録再生装置及び光ディスク評価方法 |
| 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 |
| JP4641815B2 (ja) * | 2005-02-04 | 2011-03-02 | パナソニック株式会社 | 光ディスク再生装置 |
| JP2007317343A (ja) * | 2006-04-28 | 2007-12-06 | Sharp Corp | 記録パラメータ設定装置、そのプログラムおよび該プログラムを記録したコンピュータ読取り可能な記録媒体、情報記録媒体、ならびに記録パラメータ設定方法 |
| 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 |
| JP4987843B2 (ja) * | 2007-12-28 | 2012-07-25 | パナソニック株式会社 | 位相誤差検出装置、波形整形装置及び光ディスク装置 |
| CA2684790A1 (en) * | 2008-02-28 | 2009-09-03 | Panasonic Corporation | Signal evaluation method and signal evaluation device |
| WO2010001588A1 (ja) * | 2008-07-01 | 2010-01-07 | パナソニック株式会社 | 再生信号評価方法、再生信号評価装置及びこれを備えた光ディスク装置 |
| US8179760B2 (en) * | 2008-10-02 | 2012-05-15 | Panasonic Corporation | Reproduction signal evaluation method, information recording medium, reproduction apparatus and recording apparatus |
| KR20110081768A (ko) | 2008-10-02 | 2011-07-14 | 파나소닉 주식회사 | 재생 신호 평가 방법, 정보 기록 매체, 재생 장치, 기록 장치 |
| US20100085851A1 (en) * | 2008-10-02 | 2010-04-08 | Panasonic Corporation | Method and apparatus for evaluating information recording medium |
-
2009
- 2009-09-29 KR KR1020107011827A patent/KR20110081768A/ko not_active Withdrawn
- 2009-09-29 EP EP09817469A patent/EP2333776A4/en not_active Withdrawn
- 2009-09-29 BR BRPI0905745-5A patent/BRPI0905745A2/pt not_active IP Right Cessation
- 2009-09-29 RU RU2010122319/28A patent/RU2010122319A/ru not_active Application Discontinuation
- 2009-09-29 US US12/745,297 patent/US8243571B2/en not_active Expired - Fee Related
- 2009-09-29 MX MX2010005892A patent/MX2010005892A/es active IP Right Grant
- 2009-09-29 JP JP2010531735A patent/JPWO2010038427A1/ja active Pending
- 2009-09-29 CA CA2707185A patent/CA2707185A1/en not_active Abandoned
- 2009-09-29 CN CN2009801012130A patent/CN101884070A/zh active Pending
- 2009-09-29 WO PCT/JP2009/004991 patent/WO2010038427A1/ja not_active Ceased
- 2009-10-01 TW TW098133395A patent/TW201030738A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2707185A1 (en) | 2010-04-08 |
| WO2010038427A1 (ja) | 2010-04-08 |
| TW201030738A (en) | 2010-08-16 |
| US8243571B2 (en) | 2012-08-14 |
| MX2010005892A (es) | 2010-08-12 |
| US20100302925A1 (en) | 2010-12-02 |
| EP2333776A4 (en) | 2012-06-13 |
| RU2010122319A (ru) | 2011-12-10 |
| KR20110081768A (ko) | 2011-07-14 |
| EP2333776A1 (en) | 2011-06-15 |
| CN101884070A (zh) | 2010-11-10 |
| JPWO2010038427A1 (ja) | 2012-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A ANUIDADE. |
|
| 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 2385 DE 20-09-2016 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. |