CN1308940C - 伺服误差信号生成电路以及伺服误差信号生成方法 - Google Patents
伺服误差信号生成电路以及伺服误差信号生成方法 Download PDFInfo
- Publication number
- CN1308940C CN1308940C CNB2004100117312A CN200410011731A CN1308940C CN 1308940 C CN1308940 C CN 1308940C CN B2004100117312 A CNB2004100117312 A CN B2004100117312A CN 200410011731 A CN200410011731 A CN 200410011731A CN 1308940 C CN1308940 C CN 1308940C
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- 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
- G11B7/094—Methods and circuits for servo offset compensation
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- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003331148 | 2003-09-24 | ||
JP2003331148 | 2003-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1601622A CN1601622A (zh) | 2005-03-30 |
CN1308940C true CN1308940C (zh) | 2007-04-04 |
Family
ID=34674764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100117312A Expired - Fee Related CN1308940C (zh) | 2003-09-24 | 2004-09-24 | 伺服误差信号生成电路以及伺服误差信号生成方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7304918B2 (zh) |
CN (1) | CN1308940C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8005449B2 (en) * | 2008-06-11 | 2011-08-23 | Newport Media, Inc. | Subsampling wideband RSSI circuit |
JP6753262B2 (ja) * | 2016-10-14 | 2020-09-09 | オムロン株式会社 | 制御装置および通信装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1118462A (zh) * | 1994-03-31 | 1996-03-13 | 索尼公司 | 伺服装置 |
JPH11195230A (ja) * | 1997-12-26 | 1999-07-21 | Toshiba Corp | トラッキングエラー信号生成回路 |
CN1246702A (zh) * | 1998-08-31 | 2000-03-08 | 松下电器产业株式会社 | 光盘装置 |
JP2000331355A (ja) * | 1999-05-20 | 2000-11-30 | Matsushita Electric Ind Co Ltd | トラッキング誤差信号生成装置及びトラッキング調整方法 |
EP1065662A1 (fr) * | 1999-06-28 | 2001-01-03 | STMicroelectronics SA | Procédé et dispositif pour l'asservissement d'un faisceau optique incident sur une piste d'un support mobile d'informations, en particulier un disque numérique à vitesse de rotation élevée |
CN1327588A (zh) * | 1999-09-08 | 2001-12-19 | 松下电器产业株式会社 | 再生信号处理装置 |
CN1335992A (zh) * | 1999-02-22 | 2002-02-13 | 西加特技术有限责任公司 | 补偿可重复的偏心误差 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5490133A (en) * | 1990-10-05 | 1996-02-06 | Hitachi, Ltd. | Optical information processing apparatus and method of controlling position of optical spot and reproducing signals |
JPH08279165A (ja) | 1995-02-09 | 1996-10-22 | Hitachi Ltd | 光ディスク装置の位置決め装置 |
JP3956436B2 (ja) * | 1997-09-05 | 2007-08-08 | 株式会社日立製作所 | データ復調方法及びこれを用いた光ディスク装置 |
JPH11238245A (ja) | 1998-02-24 | 1999-08-31 | Sony Corp | 光検出信号処理装置 |
CN1154985C (zh) | 1998-07-03 | 2004-06-23 | 株式会社日立制作所 | 光检测器、信号处理电路、及其光信息再现设备 |
JP2000048488A (ja) * | 1998-07-27 | 2000-02-18 | Pioneer Electron Corp | クロストーク除去回路を有する記録情報再生装置 |
JP3636093B2 (ja) * | 2001-04-24 | 2005-04-06 | ティアック株式会社 | 光ディスク装置 |
US6980497B2 (en) * | 2001-10-10 | 2005-12-27 | Sanyo Electric Co., Ltd. | Optical disk recording apparatus and control method thereof |
US7995448B2 (en) * | 2003-03-26 | 2011-08-09 | Panasonic Corporation | Optical disc device |
KR100604820B1 (ko) * | 2003-06-24 | 2006-07-26 | 삼성전자주식회사 | 광디스크 드라이브의 자동 레이저 다이오드 출력 제어방법 및 이에 적합한 장치 |
-
2004
- 2004-09-24 US US10/948,310 patent/US7304918B2/en not_active Expired - Fee Related
- 2004-09-24 CN CNB2004100117312A patent/CN1308940C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1118462A (zh) * | 1994-03-31 | 1996-03-13 | 索尼公司 | 伺服装置 |
JPH11195230A (ja) * | 1997-12-26 | 1999-07-21 | Toshiba Corp | トラッキングエラー信号生成回路 |
CN1246702A (zh) * | 1998-08-31 | 2000-03-08 | 松下电器产业株式会社 | 光盘装置 |
CN1335992A (zh) * | 1999-02-22 | 2002-02-13 | 西加特技术有限责任公司 | 补偿可重复的偏心误差 |
JP2000331355A (ja) * | 1999-05-20 | 2000-11-30 | Matsushita Electric Ind Co Ltd | トラッキング誤差信号生成装置及びトラッキング調整方法 |
EP1065662A1 (fr) * | 1999-06-28 | 2001-01-03 | STMicroelectronics SA | Procédé et dispositif pour l'asservissement d'un faisceau optique incident sur une piste d'un support mobile d'informations, en particulier un disque numérique à vitesse de rotation élevée |
CN1327588A (zh) * | 1999-09-08 | 2001-12-19 | 松下电器产业株式会社 | 再生信号处理装置 |
Also Published As
Publication number | Publication date |
---|---|
US20050281151A1 (en) | 2005-12-22 |
CN1601622A (zh) | 2005-03-30 |
US7304918B2 (en) | 2007-12-04 |
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PB01 | Publication | ||
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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: 20141210 |
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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. |
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TR01 | Transfer of patent right |
Effective date of registration: 20141210 Address after: California, USA Patentee after: Craib Innovations Ltd. Address before: Osaka Patentee before: Matsushita Electric Industrial Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20160924 |
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CF01 | Termination of patent right due to non-payment of annual fee |