CN1617238A - 改进光学储存系统的循轨误差信号的装置及方法 - Google Patents
改进光学储存系统的循轨误差信号的装置及方法 Download PDFInfo
- Publication number
- CN1617238A CN1617238A CNA2004100747209A CN200410074720A CN1617238A CN 1617238 A CN1617238 A CN 1617238A CN A2004100747209 A CNA2004100747209 A CN A2004100747209A CN 200410074720 A CN200410074720 A CN 200410074720A CN 1617238 A CN1617238 A CN 1617238A
- Authority
- CN
- China
- Prior art keywords
- signal
- peak
- photodetector
- gain
- algorithm
- 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
Images
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
- G11B7/08—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
- G11B7/0901—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 for track following only
- G11B7/0906—Differential phase difference systems
-
- 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
- G11B7/0901—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 for track following only
- G11B7/0903—Multi-beam tracking systems
-
- 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
- G11B7/0908—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 for focusing only
- G11B7/0912—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 for focusing only by push-pull method
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (36)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/676,002 US7142487B2 (en) | 2003-10-02 | 2003-10-02 | Devices and methods to improve tracking error signals for optic storage systems |
US10/676,002 | 2003-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1617238A true CN1617238A (zh) | 2005-05-18 |
CN1316471C CN1316471C (zh) | 2007-05-16 |
Family
ID=34393529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100747209A Expired - Fee Related CN1316471C (zh) | 2003-10-02 | 2004-09-13 | 改进光学储存系统的循轨误差信号的装置及方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7142487B2 (zh) |
CN (1) | CN1316471C (zh) |
TW (1) | TWI307084B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI232444B (en) * | 2003-10-31 | 2005-05-11 | Mediatek Inc | Run-out detection method of optical disk for optical disk driver and device thereof |
CN101010739B (zh) * | 2004-08-27 | 2010-12-01 | 皇家飞利浦电子股份有限公司 | 用于刻写可见标记的系统 |
TWI390506B (zh) * | 2009-05-20 | 2013-03-21 | Novatek Microelectronics Corp | 資料復原之校正電路與方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100365610B1 (ko) * | 1994-05-17 | 2003-03-06 | 소니 가부시끼 가이샤 | 트래킹서보장치및트랙카운트장치 |
JP3633095B2 (ja) * | 1996-04-22 | 2005-03-30 | 富士通株式会社 | 光学的記憶装置 |
JPH10124891A (ja) * | 1996-10-22 | 1998-05-15 | Sony Corp | サーボ信号処理装置及び光ディスク装置 |
KR100197631B1 (ko) * | 1996-11-29 | 1999-06-15 | 윤종용 | 트래킹밸런스 보정장치 |
-
2003
- 2003-10-02 US US10/676,002 patent/US7142487B2/en not_active Expired - Fee Related
-
2004
- 2004-04-14 TW TW093110424A patent/TWI307084B/zh not_active IP Right Cessation
- 2004-09-13 CN CNB2004100747209A patent/CN1316471C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7142487B2 (en) | 2006-11-28 |
TWI307084B (en) | 2009-03-01 |
US20050073920A1 (en) | 2005-04-07 |
TW200514034A (en) | 2005-04-16 |
CN1316471C (zh) | 2007-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1160711C (zh) | 误差信号检测装置和再现信号检测装置 | |
CN1138261C (zh) | 光学信息再生方法及装置 | |
CN1188842C (zh) | 重放光盘的装置和方法 | |
CN1221957C (zh) | 光拾取头及信息记录再现装置 | |
CN1303596C (zh) | 光记录/再现装置和焦点控制方法 | |
CN1244092C (zh) | 光记录设备与激光功率控制方法 | |
CN1201302C (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 | |
CN1808579A (zh) | 光学头、焦点偏移误差信号检出方法及光记录再现装置 | |
CN1208767C (zh) | 记录/再现设备、记录/再现方法和信息记录介质 | |
CN1327228A (zh) | 盘驱动设备及产生摆动信息的方法 | |
CN1320538C (zh) | 拾光器球面像差补偿方法和拾光装置 | |
CN1261937C (zh) | 跟踪误差检测装置 | |
CN1918637A (zh) | 光盘装置 | |
CN101031965A (zh) | 光盘装置及光盘装置的控制电路 | |
CN1691153A (zh) | 光盘装置、环路增益设定方法和环路增益设定程序 | |
CN1214372C (zh) | 偏移测量方法 | |
CN1407545A (zh) | 信息再现装置和光记录介质 | |
CN1240062C (zh) | 用聚焦来读出光盘的方法与装置 | |
CN1221953C (zh) | 像差检测方法和使用其的光记录再现方法与光记录再现装置 | |
CN1617238A (zh) | 改进光学储存系统的循轨误差信号的装置及方法 | |
CN1542780A (zh) | 信息载体设备和信息载体偏心校正方法 | |
CN1354463A (zh) | 光盘设备 | |
CN1542778A (zh) | 跟踪误差信号产生装置和方法及光盘设备和跟踪控制方法 | |
CN1284156C (zh) | 光盘驱动装置和光盘驱动方法 | |
CN1925028A (zh) | 盘驱动设备及其控制方法 |
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: NOVATEK TECHNOLOGY CO. Free format text: FORMER OWNER: JILEDA SCI-TECH CO., LTD. Effective date: 20081024 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081024 Address after: Hsinchu Science Industrial Park, Taiwan Patentee after: Lianyong Science and Tech. Co., Ltd. Address before: Hsinchu Science Industrial Park, Taiwan Patentee before: Qileda Science and Technology Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20130913 |