DE602006001549D1 - Lesekopf für optische Aufzeichnungsmedien und Gerät mit einem solchen Kopf - Google Patents
Lesekopf für optische Aufzeichnungsmedien und Gerät mit einem solchen KopfInfo
- Publication number
- DE602006001549D1 DE602006001549D1 DE602006001549T DE602006001549T DE602006001549D1 DE 602006001549 D1 DE602006001549 D1 DE 602006001549D1 DE 602006001549 T DE602006001549 T DE 602006001549T DE 602006001549 T DE602006001549 T DE 602006001549T DE 602006001549 D1 DE602006001549 D1 DE 602006001549D1
- Authority
- DE
- Germany
- Prior art keywords
- head
- optical recording
- recording media
- read head
- read
- 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.)
- Expired - Fee Related
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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0927—Electromechanical actuators for lens positioning for focusing only
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05105809A EP1742208A1 (de) | 2005-06-29 | 2005-06-29 | Lesekopf für optische Aufzeichnungsmedien und Gerät mit einem solchen Kopf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602006001549D1 true DE602006001549D1 (de) | 2008-08-07 |
Family
ID=35423314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602006001549T Expired - Fee Related DE602006001549D1 (de) | 2005-06-29 | 2006-06-01 | Lesekopf für optische Aufzeichnungsmedien und Gerät mit einem solchen Kopf |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20070006245A1 (de) |
| EP (2) | EP1742208A1 (de) |
| JP (1) | JP2007012255A (de) |
| KR (1) | KR20070001803A (de) |
| CN (1) | CN1892845A (de) |
| DE (1) | DE602006001549D1 (de) |
| MY (1) | MY141051A (de) |
| TW (1) | TW200701214A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009187619A (ja) * | 2008-02-06 | 2009-08-20 | Konica Minolta Opto Inc | 対物レンズ駆動装置及び光ピックアップ装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124467A (ja) * | 1992-10-13 | 1994-05-06 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
| JPH06176386A (ja) * | 1992-12-02 | 1994-06-24 | Ricoh Co Ltd | 対物レンズ駆動装置 |
| TW239211B (en) * | 1993-04-02 | 1995-01-21 | Hyundai Electronics America | Electromagnetic lens actuator for optical disk drive |
| JPH0850729A (ja) * | 1994-08-03 | 1996-02-20 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置及びその製造方法 |
| US5768037A (en) * | 1995-10-06 | 1998-06-16 | Eastman Kodak Company | Actuator with single surface-field motor |
| JP2003173556A (ja) * | 2001-12-07 | 2003-06-20 | Tdk Corp | 光ヘッド装置 |
| KR100505687B1 (ko) * | 2003-06-02 | 2005-08-03 | 삼성전자주식회사 | 광픽업 액츄에이터 및 이를 채용한 광디스크 드라이브 |
| JP2006024266A (ja) * | 2004-07-07 | 2006-01-26 | Toshiba Corp | 対物レンズアクチュエータ及び光ディスク装置 |
-
2005
- 2005-06-29 EP EP05105809A patent/EP1742208A1/de not_active Withdrawn
-
2006
- 2006-06-01 EP EP06300544A patent/EP1742209B1/de not_active Expired - Fee Related
- 2006-06-01 DE DE602006001549T patent/DE602006001549D1/de not_active Expired - Fee Related
- 2006-06-06 CN CNA2006100916121A patent/CN1892845A/zh active Pending
- 2006-06-09 TW TW095120485A patent/TW200701214A/zh unknown
- 2006-06-13 US US11/451,675 patent/US20070006245A1/en not_active Abandoned
- 2006-06-20 MY MYPI20062908A patent/MY141051A/en unknown
- 2006-06-26 KR KR1020060057381A patent/KR20070001803A/ko not_active Application Discontinuation
- 2006-06-28 JP JP2006178197A patent/JP2007012255A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1742209A1 (de) | 2007-01-10 |
| EP1742209B1 (de) | 2008-06-25 |
| KR20070001803A (ko) | 2007-01-04 |
| JP2007012255A (ja) | 2007-01-18 |
| CN1892845A (zh) | 2007-01-10 |
| TW200701214A (en) | 2007-01-01 |
| MY141051A (en) | 2010-02-25 |
| US20070006245A1 (en) | 2007-01-04 |
| EP1742208A1 (de) | 2007-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |