CN1633691A - 信号处理装置以及信号处理方法 - Google Patents
信号处理装置以及信号处理方法 Download PDFInfo
- Publication number
- CN1633691A CN1633691A CN03804104.9A CN03804104A CN1633691A CN 1633691 A CN1633691 A CN 1633691A CN 03804104 A CN03804104 A CN 03804104A CN 1633691 A CN1633691 A CN 1633691A
- Authority
- CN
- China
- Prior art keywords
- signal
- offset
- input
- mentioned
- output
- 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.)
- Granted
Links
- 238000012545 processing Methods 0.000 title claims description 100
- 238000003672 processing method Methods 0.000 title claims description 7
- 238000001514 detection method Methods 0.000 claims abstract description 564
- 238000006243 chemical reaction Methods 0.000 claims abstract description 287
- 230000009471 action Effects 0.000 claims abstract description 59
- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 230000004044 response Effects 0.000 claims abstract description 19
- 238000005070 sampling Methods 0.000 claims description 63
- 238000003860 storage Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 25
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 49
- 238000000034 method Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 208000026935 allergic disease Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- 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
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0945—Methods for initialising servos, start-up sequences
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0948—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP64879/2002 | 2002-03-11 | ||
JP2002064879 | 2002-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1633691A true CN1633691A (zh) | 2005-06-29 |
CN100380497C CN100380497C (zh) | 2008-04-09 |
Family
ID=27764458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038041049A Expired - Fee Related CN100380497C (zh) | 2002-03-11 | 2003-03-11 | 信号处理装置以及信号处理方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7215632B2 (zh) |
EP (1) | EP1345221A3 (zh) |
JP (1) | JP4081018B2 (zh) |
CN (1) | CN100380497C (zh) |
WO (1) | WO2003077248A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1956428B (zh) * | 2005-10-07 | 2010-12-15 | 松下电器产业株式会社 | 动态dc偏移消除装置以及动态dc偏移消除方法 |
CN101086854B (zh) * | 2006-06-05 | 2011-06-01 | 联发科技股份有限公司 | 回路控制装置及其方法 |
CN101753269B (zh) * | 2008-12-19 | 2013-03-27 | 索尼株式会社 | 信息处理装置和信号传输方法 |
CN104808540A (zh) * | 2014-01-27 | 2015-07-29 | Ls产电株式会社 | 用于设定模拟输入模块的偏置和增益的系统和方法 |
CN107666329A (zh) * | 2016-07-28 | 2018-02-06 | 恩智浦有限公司 | 精确的信号摆幅抑制检测器 |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100934063B1 (ko) * | 2002-12-27 | 2009-12-24 | 파나소닉 주식회사 | 신호처리장치 및 신호처리방법 |
US20060126478A1 (en) * | 2003-06-11 | 2006-06-15 | Koninklijke Philips Electronics N.V. | Optical disc drive apparatus |
US7620101B1 (en) * | 2003-09-24 | 2009-11-17 | Cypress Semiconductor Corporation | Equalizer circuit, communication system, and method that is adaptive to varying launch amplitudes for reducing receiver error |
WO2005057575A1 (en) * | 2003-12-08 | 2005-06-23 | Koninklijke Philips Electronics N.V. | Method and system for controlling the level of a data signal read from an optical disc |
JP4079902B2 (ja) * | 2004-03-16 | 2008-04-23 | Necエレクトロニクス株式会社 | 光ディスク装置とそのトラッキング制御方法 |
US7440525B2 (en) * | 2004-08-27 | 2008-10-21 | Mindspeed Technologies, Inc. | Dynamic range signal to noise optimization system and method for receiver |
GB2422923B (en) * | 2005-02-03 | 2008-10-29 | Hewlett Packard Development Co | Diagnosis of a data read system |
US7668053B2 (en) | 2005-06-03 | 2010-02-23 | Zoran Corporation | Processing an information carrying signal |
KR100652432B1 (ko) | 2005-09-08 | 2006-12-01 | 삼성전자주식회사 | 광디스크 기록/재생 기기의 신호 처리 장치 및 신호 처리방법 |
US20070058502A1 (en) * | 2005-09-12 | 2007-03-15 | Chi-Pei Huang | Servo system and related method of adjusting the magnitude of detecting signals outputted from a pick-up head before utilizing the detecting signals to generate servo signals |
JP4401394B2 (ja) | 2005-09-28 | 2010-01-20 | パナソニック株式会社 | 光ディスク装置 |
US20070086315A1 (en) * | 2005-10-19 | 2007-04-19 | Mediatek Inc. | Optical disc apparatuses |
US7724090B2 (en) * | 2006-06-05 | 2010-05-25 | Mediatek Inc. | Loop control apparatus and method thereof |
US7684291B2 (en) * | 2006-06-05 | 2010-03-23 | Mediatek Inc. | Method and apparatus for blank detection of an optical disc |
US20070280079A1 (en) * | 2006-06-05 | 2007-12-06 | Yuh Cheng | Asymmetry measurement apparatus |
US7796480B2 (en) * | 2006-06-05 | 2010-09-14 | Mediatek Inc. | Apparatus and methods for light spot servo signal detection |
US8416845B1 (en) * | 2006-07-11 | 2013-04-09 | Altera Corporation | Decision feedback equalization for variable input amplitude |
KR20090053919A (ko) * | 2006-09-19 | 2009-05-28 | 파나소닉 주식회사 | 광 디스크 기록 재생 장치 |
US20080101795A1 (en) * | 2006-10-27 | 2008-05-01 | Craig Schulz | Data signal amplitude and cross-point detectors in an optical modulator control system |
JP2008167303A (ja) * | 2006-12-28 | 2008-07-17 | Fujitsu Ltd | データサンプリング回路及びデータサンプリング方法 |
US8095762B1 (en) | 2007-02-27 | 2012-01-10 | Nvidia Corporation | Low latency synchronous memory performance switching with drift refresh |
WO2009001521A1 (ja) * | 2007-06-27 | 2008-12-31 | Panasonic Corporation | 信号処理装置 |
JP2009146491A (ja) * | 2007-12-13 | 2009-07-02 | Hitachi Ltd | 光ディスク装置 |
US8451949B2 (en) * | 2008-10-07 | 2013-05-28 | Realtek Semiconductor Corp. | Clock-data recovery and method for binary signaling using low resolution ADC |
JP4697298B2 (ja) * | 2008-12-19 | 2011-06-08 | ソニー株式会社 | コンパレータおよび光ディスク記録再生装置 |
WO2010123573A1 (en) | 2009-04-23 | 2010-10-28 | Maxlinear, Inc. | Channel-sensitive power control |
JP4941515B2 (ja) * | 2009-07-02 | 2012-05-30 | 富士通株式会社 | 受信回路、オフセット調整方法、及び送受信システム |
US8830808B1 (en) * | 2009-09-10 | 2014-09-09 | Marvell International Ltd. | Method and apparatus for zero offset and gain start |
US8081395B1 (en) * | 2009-12-15 | 2011-12-20 | Western Digital Technologies, Inc. | Continuous digital offset cancellation |
KR20120121779A (ko) * | 2011-04-27 | 2012-11-06 | 삼성전기주식회사 | 자기 검출 회로의 오프셋 보상 장치 및 그 방법 |
US8929017B2 (en) * | 2011-12-12 | 2015-01-06 | Lsi Corporation | Systems and methods for SNR measurement using equalized data |
US11064446B2 (en) * | 2016-04-26 | 2021-07-13 | Anatog Devices, Inc. | Apparatus and methods for wideband receivers |
JP2022059467A (ja) * | 2020-10-01 | 2022-04-13 | 豊田合成株式会社 | 位置検出装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3067298B2 (ja) * | 1991-08-09 | 2000-07-17 | ソニー株式会社 | 光ディスクのデータ再生装置と再生方法 |
JP2768611B2 (ja) * | 1992-12-18 | 1998-06-25 | 株式会社ケンウッド | 光ディスク装置のディフェクト検出回路および光ディスク装置 |
JP2889803B2 (ja) * | 1993-11-22 | 1999-05-10 | 三洋電機株式会社 | レベル設定回路 |
JP2674522B2 (ja) * | 1994-09-27 | 1997-11-12 | 日本電気株式会社 | 光ディスク装置における傷検出回路 |
US5587975A (en) * | 1994-10-24 | 1996-12-24 | Sony Corporation | Magneto-optical disk reproducing apparatus with gain and offset controlled by a reference pattern read from the disk |
US5777967A (en) | 1995-04-05 | 1998-07-07 | Matsushita Electric Industrial Co., Ltd. | Optical disk device |
JP3823184B2 (ja) * | 1995-04-05 | 2006-09-20 | 松下電器産業株式会社 | 光ディスク装置 |
US5719843A (en) * | 1995-06-22 | 1998-02-17 | Matsushita Electric Industrial Co.Ltd | Method of maximum likelihood decoding and digital information playback apparatus |
JPH1031821A (ja) * | 1996-07-16 | 1998-02-03 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
US6069866A (en) * | 1997-10-23 | 2000-05-30 | Cirrus Logic, Inc. | System and method for coarse gain control of wide band amplifiers |
KR19990051851A (ko) * | 1997-12-20 | 1999-07-05 | 구본준 | 디스크 재생 장치의 리드 회로 |
US6104682A (en) * | 1998-07-23 | 2000-08-15 | Matsushita Electric Industrial Co., Ltd. | Disk apparatus having a data reproducing system using a digital PLL |
JP3856418B2 (ja) * | 1998-09-10 | 2006-12-13 | パイオニア株式会社 | 記録媒体プレーヤのサーボ装置 |
JP3486145B2 (ja) * | 2000-01-17 | 2004-01-13 | 松下電器産業株式会社 | デジタル記録データ再生装置 |
US6434098B2 (en) | 2000-04-26 | 2002-08-13 | Matsushita Electric Industrial Co., Ltd. | Optical disc device |
JP2002015422A (ja) * | 2000-04-26 | 2002-01-18 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
JP2002319239A (ja) | 2001-04-20 | 2002-10-31 | Matsushita Electric Ind Co Ltd | 情報再生装置 |
-
2003
- 2003-03-11 EP EP03004984A patent/EP1345221A3/en not_active Withdrawn
- 2003-03-11 WO PCT/JP2003/002835 patent/WO2003077248A1/ja active Application Filing
- 2003-03-11 CN CNB038041049A patent/CN100380497C/zh not_active Expired - Fee Related
- 2003-03-11 JP JP2003575380A patent/JP4081018B2/ja not_active Expired - Fee Related
- 2003-03-11 US US10/479,275 patent/US7215632B2/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1956428B (zh) * | 2005-10-07 | 2010-12-15 | 松下电器产业株式会社 | 动态dc偏移消除装置以及动态dc偏移消除方法 |
CN101086854B (zh) * | 2006-06-05 | 2011-06-01 | 联发科技股份有限公司 | 回路控制装置及其方法 |
CN101753269B (zh) * | 2008-12-19 | 2013-03-27 | 索尼株式会社 | 信息处理装置和信号传输方法 |
CN104808540A (zh) * | 2014-01-27 | 2015-07-29 | Ls产电株式会社 | 用于设定模拟输入模块的偏置和增益的系统和方法 |
CN107666329A (zh) * | 2016-07-28 | 2018-02-06 | 恩智浦有限公司 | 精确的信号摆幅抑制检测器 |
CN107666329B (zh) * | 2016-07-28 | 2021-05-11 | 恩智浦有限公司 | 精确的信号摆幅抑制检测器 |
Also Published As
Publication number | Publication date |
---|---|
US7215632B2 (en) | 2007-05-08 |
CN100380497C (zh) | 2008-04-09 |
JPWO2003077248A1 (ja) | 2005-07-07 |
WO2003077248A1 (fr) | 2003-09-18 |
EP1345221A3 (en) | 2007-12-26 |
JP4081018B2 (ja) | 2008-04-23 |
EP1345221A2 (en) | 2003-09-17 |
US20040172148A1 (en) | 2004-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1633691A (zh) | 信号处理装置以及信号处理方法 | |
CN1291406C (zh) | 一种光盘驱动器 | |
CN1197246C (zh) | 锁相环装置 | |
CN1260714C (zh) | 光学信息记录/再现装置及记录/再现信息的方法 | |
CN1116671C (zh) | 光盘、跟踪控制装置和方法及焦点控制装置和方法 | |
CN1350286A (zh) | 光盘设备和聚焦跳变方法 | |
CN1207707C (zh) | 光盘装置和光盘记录方法 | |
CN1213416C (zh) | 激光二极管驱动器 | |
CN1246840C (zh) | 光盘装置 | |
CN1146886C (zh) | 将信息记录在记录介质上或从其上重放该信息的装置和方法 | |
CN1313985A (zh) | 具有倾斜检测装置的记录媒体驱动装置和倾斜检测方法 | |
CN1882989A (zh) | 记录再现方法及记录再现装置 | |
CN1143283C (zh) | 盘驱动装置 | |
CN1224009C (zh) | 光盘装置 | |
CN1288642C (zh) | 光盘再现设备以及光盘再现方法 | |
CN1627392A (zh) | 利用倾斜调整的数据再现方法和数据再现设备 | |
CN1192374C (zh) | 再现功率控制方法和装置以及记录再现装置 | |
CN1174382C (zh) | 光盘记录重放装置 | |
CN1314013C (zh) | 光盘装置和相位调整方法 | |
CN1612253A (zh) | 信息再生方法及信息再生装置 | |
CN1249689C (zh) | 信息丢失检出电路 | |
CN1779832A (zh) | 光盘装置 | |
CN1525454A (zh) | 跟踪误差信号产生方法和装置、驱动器和导入控制方法 | |
CN1691153A (zh) | 光盘装置、环路增益设定方法和环路增益设定程序 | |
CN1300785C (zh) | 光盘驱动器及其控制方法 |
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: KELAIBO INNOVATION CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20141125 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Osaka Patentee after: Matsushita Electric Industrial Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141125 Address after: California, USA Patentee after: Craib Innovations Ltd. Address before: Osaka Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080409 Termination date: 20170311 |
|
CF01 | Termination of patent right due to non-payment of annual fee |