CN100458953C - 再生信号处理装置及具有该再生信号处理装置的光盘再生装置 - Google Patents
再生信号处理装置及具有该再生信号处理装置的光盘再生装置 Download PDFInfo
- Publication number
- CN100458953C CN100458953C CNB2004101023045A CN200410102304A CN100458953C CN 100458953 C CN100458953 C CN 100458953C CN B2004101023045 A CNB2004101023045 A CN B2004101023045A CN 200410102304 A CN200410102304 A CN 200410102304A CN 100458953 C CN100458953 C CN 100458953C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- signal
- target value
- decision maker
- equalization target
- 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
Links
Images
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
-
- 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
-
- 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
- G11B20/14—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
- G11B7/005—Reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP164988/2003 | 2003-06-10 | ||
JP2003164988 | 2003-06-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1619683A CN1619683A (zh) | 2005-05-25 |
CN100458953C true CN100458953C (zh) | 2009-02-04 |
Family
ID=33549198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004101023045A Expired - Fee Related CN100458953C (zh) | 2003-06-10 | 2004-06-10 | 再生信号处理装置及具有该再生信号处理装置的光盘再生装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7274645B2 (zh) |
KR (1) | KR100553407B1 (zh) |
CN (1) | CN100458953C (zh) |
TW (1) | TWI270053B (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7151796B2 (en) * | 2001-02-01 | 2006-12-19 | Broadcom Corporation | High performance equalizer with enhanced DFE having reduced complexity |
JP4317826B2 (ja) * | 2005-03-10 | 2009-08-19 | パナソニック株式会社 | ジッタ検出装置 |
US7564931B2 (en) * | 2005-05-10 | 2009-07-21 | Seagate Technology Llc | Robust maximum-likelihood based timing recovery |
US7852728B2 (en) * | 2005-07-20 | 2010-12-14 | Panasonic Corporation | Digital signal reproducing apparatus |
US7495854B2 (en) * | 2005-10-03 | 2009-02-24 | International Business Machines Corporation | Dynamic method for asymmetry compensation in a storage read channel |
CN101385084A (zh) * | 2006-02-14 | 2009-03-11 | 皇家飞利浦电子股份有限公司 | 用于光盘读取的比特检测 |
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 |
US7839955B2 (en) * | 2006-05-30 | 2010-11-23 | Fujitsu Limited | System and method for the non-linear adjustment of compensation applied to a signal |
US7848470B2 (en) * | 2006-05-30 | 2010-12-07 | Fujitsu Limited | System and method for asymmetrically adjusting compensation applied to a signal |
JP2008010097A (ja) * | 2006-06-30 | 2008-01-17 | Toshiba Corp | 記録媒体再生装置、およびその再生方法 |
JP2009277298A (ja) * | 2008-05-15 | 2009-11-26 | Renesas Technology Corp | ディジタル信号再生装置及び方法並びにディジタル信号記録装置及び方法 |
JP4585581B2 (ja) * | 2008-06-24 | 2010-11-24 | 株式会社東芝 | 最尤復号器および復号方法 |
JP5753753B2 (ja) * | 2011-09-30 | 2015-07-22 | 日立コンシューマエレクトロニクス株式会社 | 情報再生装置および情報再生方法 |
CN103063237B (zh) * | 2012-12-25 | 2015-05-20 | 北京华信创通科技有限公司 | 一种使编码器抗干扰的方法及装置 |
US11070238B2 (en) * | 2017-11-27 | 2021-07-20 | Sony Semiconductor Solutions Corporation | Decoding device and decoding method |
US10972319B2 (en) * | 2018-09-12 | 2021-04-06 | Texas Instruments Incorporated | Clockless decision feedback equalization (DFE) for multi-level signals |
CN117434440B (zh) * | 2023-12-20 | 2024-05-07 | 浙江万胜智能科技股份有限公司 | 一种量测开关的自动检测方法及系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1287666A (zh) * | 1998-10-13 | 2001-03-14 | 松下电器产业株式会社 | 数字重放信号处理装置 |
US20020012306A1 (en) * | 2000-05-12 | 2002-01-31 | Atsushi Hayami | Reproducing apparatus for optical disc recorded in high density |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2885650B2 (ja) * | 1993-11-11 | 1999-04-26 | 株式会社東芝 | ディスク再生装置 |
US5764609A (en) * | 1995-01-19 | 1998-06-09 | Matsushita Electric Industrial Co., Ltd. | Disk data reproducing method and apparatus for reading data at arbitrary speed |
JP3335862B2 (ja) * | 1997-01-28 | 2002-10-21 | シャープ株式会社 | 波形等化器及びこれを備えたディジタル記録再生装置 |
JP2000182330A (ja) * | 1998-12-16 | 2000-06-30 | Matsushita Electric Ind Co Ltd | 情報再生方法及び情報再生装置 |
US6724706B1 (en) * | 1999-02-26 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Digital adaptive equalizer for different quality signals |
WO2001018809A1 (fr) | 1999-09-08 | 2001-03-15 | Matsushita Electric Industrial Co., Ltd. | Dispositif de traitement de signaux reproduits |
JP2002269925A (ja) * | 2001-03-09 | 2002-09-20 | Matsushita Electric Ind Co Ltd | 光ディスク再生装置 |
JP2003030848A (ja) * | 2001-07-18 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 光ディスク再生装置 |
JP3688225B2 (ja) * | 2001-07-26 | 2005-08-24 | 松下電器産業株式会社 | デジタルデータ再生装置 |
-
2004
- 2004-06-08 US US10/862,361 patent/US7274645B2/en not_active Expired - Fee Related
- 2004-06-09 TW TW093116499A patent/TWI270053B/zh not_active IP Right Cessation
- 2004-06-09 KR KR1020040042205A patent/KR100553407B1/ko not_active IP Right Cessation
- 2004-06-10 CN CNB2004101023045A patent/CN100458953C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1287666A (zh) * | 1998-10-13 | 2001-03-14 | 松下电器产业株式会社 | 数字重放信号处理装置 |
US20020012306A1 (en) * | 2000-05-12 | 2002-01-31 | Atsushi Hayami | Reproducing apparatus for optical disc recorded in high density |
Also Published As
Publication number | Publication date |
---|---|
CN1619683A (zh) | 2005-05-25 |
KR100553407B1 (ko) | 2006-02-17 |
KR20040111011A (ko) | 2004-12-31 |
US7274645B2 (en) | 2007-09-25 |
US20050002306A1 (en) | 2005-01-06 |
TW200509080A (en) | 2005-03-01 |
TWI270053B (en) | 2007-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100458953C (zh) | 再生信号处理装置及具有该再生信号处理装置的光盘再生装置 | |
CN100405489C (zh) | 数字记录数据再生装置 | |
CN100552794C (zh) | 光盘再现装置 | |
JP4157145B2 (ja) | 情報再生装置 | |
KR100527524B1 (ko) | 광디스크 재생 장치 | |
US6963528B2 (en) | Digital data reproduction apparatus | |
JP3928332B2 (ja) | 適応等化回路 | |
GB2310981A (en) | Data reproducing appararus | |
JPH09185874A (ja) | 位相検出方法およびその実施装置 | |
WO2005024822A1 (ja) | 再生信号処理装置、及び再生信号処理方法 | |
CN1182519C (zh) | 光盘重放装置 | |
JP4109219B2 (ja) | 再生信号処理装置、及びそれを備えた光ディスク再生装置 | |
US20080151987A1 (en) | Reproducing apparatus and method, signal processing apparatus and method, and program | |
KR100430184B1 (ko) | 재생 신호 처리 장치 | |
JP4189747B2 (ja) | 信号処理装置 | |
JPH10255214A (ja) | デジタル信号復号装置、磁気情報再生装置および磁気情報の再生信号の波形歪補正方法 | |
US20040165510A1 (en) | Reproduction signal processing apparatus | |
JP3955560B2 (ja) | 再生信号処理装置 | |
JP4009963B2 (ja) | ビタビ復号方法 | |
JP4009965B2 (ja) | ビタビ復号方法 | |
JP4009966B2 (ja) | ビタビ復号器 | |
JP4009964B2 (ja) | ビタビ復号器 | |
JP2013012264A (ja) | Prml検出器、情報検出装置、及び、光ディスク装置 | |
JPH06303099A (ja) | 波形等化回路 | |
JP2009134825A (ja) | 光ディスク再生装置、及び光ディスク再生方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140514 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140514 Address after: Ehime Prefecture, Japan Patentee after: Panasonic Healthcare Co., Ltd Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE HOLDINGS CO., LTD. Free format text: FORMER OWNER: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Effective date: 20150402 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150402 Address after: Tokyo, Japan Patentee after: Panasonic's health medical treatment is controlled interest Co., Ltd. Address before: Ehime Prefecture, Japan Patentee before: Panasonic Healthcare Co., Ltd |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20150610 |
|
EXPY | Termination of patent right or utility model |