ATE401648T1 - Optische einrichtung zum lesen von informationen - Google Patents
Optische einrichtung zum lesen von informationenInfo
- Publication number
- ATE401648T1 ATE401648T1 AT02804994T AT02804994T ATE401648T1 AT E401648 T1 ATE401648 T1 AT E401648T1 AT 02804994 T AT02804994 T AT 02804994T AT 02804994 T AT02804994 T AT 02804994T AT E401648 T1 ATE401648 T1 AT E401648T1
- Authority
- AT
- Austria
- Prior art keywords
- mrow
- mstyle
- sub
- unbalance
- mass
- 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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
-
- 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
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Holo Graphy (AREA)
- Optical Communication System (AREA)
- Vehicle Body Suspensions (AREA)
- Medicinal Preparation (AREA)
- Control Of Electric Motors In General (AREA)
- Rotational Drive Of Disk (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01205009 | 2001-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE401648T1 true ATE401648T1 (de) | 2008-08-15 |
Family
ID=8181474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02804994T ATE401648T1 (de) | 2001-12-19 | 2002-12-11 | Optische einrichtung zum lesen von informationen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7221627B2 (de) |
| EP (1) | EP1459305B1 (de) |
| JP (1) | JP2005513695A (de) |
| KR (1) | KR20040062996A (de) |
| CN (1) | CN1282957C (de) |
| AT (1) | ATE401648T1 (de) |
| AU (1) | AU2002366417A1 (de) |
| DE (1) | DE60227700D1 (de) |
| WO (1) | WO2003052753A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151570A (en) * | 1976-03-22 | 1979-04-24 | Ampex Corporation | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
| US4536809A (en) * | 1982-05-10 | 1985-08-20 | Digital Equipment Corporation | Adaptive misposition correcting method and apparatus for magnetic disk servo system |
| US4628239A (en) * | 1985-06-06 | 1986-12-09 | The United States Of America As Represented By The Secretary Of The Army | Dual optical mechanical position tracker |
| JPH06111345A (ja) * | 1992-09-29 | 1994-04-22 | Matsushita Electric Ind Co Ltd | 光ヘッド制御装置 |
| KR100277073B1 (ko) * | 1995-07-24 | 2001-01-15 | 윤종용 | 자기 디스크 구동장치에서 자기 헤드의 속도 및 위치 추정기 |
| JPH1083615A (ja) * | 1996-07-17 | 1998-03-31 | Teac Corp | デ−タ再生方法及び装置 |
| US5970033A (en) * | 1997-09-12 | 1999-10-19 | Olympus Optical Co., Ltd. | Tracking control unit for optical disk drive capable of suppressing control residual derived from disturbance |
| JP3463975B2 (ja) * | 1997-10-22 | 2003-11-05 | ティアック株式会社 | デ−タ再生方法及び装置 |
| TW392146B (en) * | 1998-03-27 | 2000-06-01 | Acer Peripherals Inc | Speed of a compact disk drive |
| JP3819170B2 (ja) * | 1999-02-09 | 2006-09-06 | 富士通株式会社 | ヘッドキャリッジ装置の駆動方式及びディスク装置 |
| EP1067526B1 (de) * | 1999-07-08 | 2009-10-28 | Samsung Electronics Co., Ltd. | Vorrichtung und Verfahren zur Datenwiedergabe aus einer zum Schwingen geneigten optischen Platte |
-
2002
- 2002-12-11 DE DE60227700T patent/DE60227700D1/de not_active Expired - Fee Related
- 2002-12-11 AU AU2002366417A patent/AU2002366417A1/en not_active Abandoned
- 2002-12-11 JP JP2003553562A patent/JP2005513695A/ja active Pending
- 2002-12-11 AT AT02804994T patent/ATE401648T1/de not_active IP Right Cessation
- 2002-12-11 CN CNB028254082A patent/CN1282957C/zh not_active Expired - Fee Related
- 2002-12-11 EP EP02804994A patent/EP1459305B1/de not_active Expired - Lifetime
- 2002-12-11 US US10/498,763 patent/US7221627B2/en not_active Expired - Fee Related
- 2002-12-11 WO PCT/IB2002/005359 patent/WO2003052753A1/en active IP Right Grant
- 2002-12-11 KR KR10-2004-7009364A patent/KR20040062996A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003052753A1 (en) | 2003-06-26 |
| JP2005513695A (ja) | 2005-05-12 |
| EP1459305B1 (de) | 2008-07-16 |
| AU2002366417A1 (en) | 2003-06-30 |
| US7221627B2 (en) | 2007-05-22 |
| EP1459305A1 (de) | 2004-09-22 |
| CN1605099A (zh) | 2005-04-06 |
| DE60227700D1 (de) | 2008-08-28 |
| KR20040062996A (ko) | 2004-07-09 |
| CN1282957C (zh) | 2006-11-01 |
| US20050122858A1 (en) | 2005-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |