ATE403929T1 - Steuerungseinrichtung mit umschaltbarer charakteristik - Google Patents
Steuerungseinrichtung mit umschaltbarer charakteristikInfo
- Publication number
- ATE403929T1 ATE403929T1 AT03732807T AT03732807T ATE403929T1 AT E403929 T1 ATE403929 T1 AT E403929T1 AT 03732807 T AT03732807 T AT 03732807T AT 03732807 T AT03732807 T AT 03732807T AT E403929 T1 ATE403929 T1 AT E403929T1
- Authority
- AT
- Austria
- Prior art keywords
- control device
- controller
- error signal
- tll
- mode
- Prior art date
Links
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
-
- 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
- G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Landscapes
- Feedback Control In General (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Keying Circuit Devices (AREA)
- Optical Recording Or Reproduction (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02077384 | 2002-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE403929T1 true ATE403929T1 (de) | 2008-08-15 |
Family
ID=29724502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03732807T ATE403929T1 (de) | 2002-06-14 | 2003-05-27 | Steuerungseinrichtung mit umschaltbarer charakteristik |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7209424B2 (de) |
| EP (1) | EP1516322B1 (de) |
| JP (1) | JP2005530287A (de) |
| KR (1) | KR20050010048A (de) |
| CN (1) | CN1294571C (de) |
| AT (1) | ATE403929T1 (de) |
| AU (1) | AU2003240192A1 (de) |
| DE (1) | DE60322703D1 (de) |
| WO (1) | WO2003107335A2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070053258A1 (en) * | 2002-12-19 | 2007-03-08 | Koninklijke Philips Electronics N.V. | Disc drive with improved resistance against mechanical shocks |
| TWI336468B (en) * | 2005-03-02 | 2011-01-21 | Ind Tech Res Inst | Asymmetry compensator for partial response maximum likelihood (prml) decoder |
| US7665960B2 (en) | 2006-08-10 | 2010-02-23 | United Technologies Corporation | Turbine shroud thermal distortion control |
| US9568009B2 (en) | 2013-03-11 | 2017-02-14 | Rolls-Royce Corporation | Gas turbine engine flow path geometry |
| CN111123838B (zh) * | 2018-10-30 | 2023-04-28 | 施耐德电器工业公司 | 伺服电机控制方法及系统 |
| CN113411135B (zh) * | 2021-07-12 | 2022-10-18 | 上海交通大学 | Fso中基于疏密传输的概率整形极化码方法及系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938936A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | 情報再生装置のサ−ボコントロ−ル回路 |
| JPH0612572B2 (ja) * | 1985-03-08 | 1994-02-16 | オリンパス光学工業株式会社 | 光学的情報記録再生装置 |
| US5646797A (en) * | 1990-09-18 | 1997-07-08 | Rodime Plc | Digital servo control system for use in disk drives |
| JPH1139674A (ja) * | 1997-07-14 | 1999-02-12 | Matsushita Electron Corp | 位置決め制御装置 |
| JP3855401B2 (ja) * | 1997-10-16 | 2006-12-13 | ソニー株式会社 | 光ディスク記録及び／又は再生装置、及び方法 |
| US6397369B1 (en) * | 1998-11-06 | 2002-05-28 | Acorn Technologies, Inc. | Device for using information about the extent of errors in a signal and method |
| US7016269B2 (en) * | 2000-12-21 | 2006-03-21 | Pioneer Corporation | Optical pickup apparatus and focusing control method |
-
2003
- 2003-05-27 EP EP03732807A patent/EP1516322B1/de not_active Expired - Lifetime
- 2003-05-27 AT AT03732807T patent/ATE403929T1/de not_active IP Right Cessation
- 2003-05-27 JP JP2004514066A patent/JP2005530287A/ja active Pending
- 2003-05-27 US US10/517,539 patent/US7209424B2/en not_active Expired - Fee Related
- 2003-05-27 WO PCT/IB2003/002343 patent/WO2003107335A2/en not_active Ceased
- 2003-05-27 CN CNB038137690A patent/CN1294571C/zh not_active Expired - Fee Related
- 2003-05-27 DE DE60322703T patent/DE60322703D1/de not_active Expired - Fee Related
- 2003-05-27 KR KR10-2004-7020240A patent/KR20050010048A/ko not_active Ceased
- 2003-05-27 AU AU2003240192A patent/AU2003240192A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1516322B1 (de) | 2008-08-06 |
| KR20050010048A (ko) | 2005-01-26 |
| CN1294571C (zh) | 2007-01-10 |
| WO2003107335A3 (en) | 2004-02-05 |
| JP2005530287A (ja) | 2005-10-06 |
| AU2003240192A1 (en) | 2003-12-31 |
| DE60322703D1 (de) | 2008-09-18 |
| EP1516322A2 (de) | 2005-03-23 |
| US7209424B2 (en) | 2007-04-24 |
| US20050254401A1 (en) | 2005-11-17 |
| WO2003107335A2 (en) | 2003-12-24 |
| CN1659637A (zh) | 2005-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |