KR19980070243A - 헤드 이동장치 및 광학 헤드 이동장치 - Google Patents
헤드 이동장치 및 광학 헤드 이동장치 Download PDFInfo
- Publication number
- KR19980070243A KR19980070243A KR1019970075342A KR19970075342A KR19980070243A KR 19980070243 A KR19980070243 A KR 19980070243A KR 1019970075342 A KR1019970075342 A KR 1019970075342A KR 19970075342 A KR19970075342 A KR 19970075342A KR 19980070243 A KR19980070243 A KR 19980070243A
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- focus
- magnet
- ferrite
- tracking
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary 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
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9000855A JPH10198988A (ja) | 1997-01-07 | 1997-01-07 | ヘッド移動装置及び光学ヘッド移動装置 |
| JP97-855 | 1997-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19980070243A true KR19980070243A (ko) | 1998-10-26 |
Family
ID=11485276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970075342A KR19980070243A (ko) | 1997-01-07 | 1997-12-27 | 헤드 이동장치 및 광학 헤드 이동장치 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10198988A (ja) |
| KR (1) | KR19980070243A (ja) |
| TW (1) | TW358936B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7352662B2 (en) * | 2003-06-13 | 2008-04-01 | Samsung Electronics Co., Ltd. | Molded coil device for actuator of disc drive |
| EP2073201A1 (de) * | 2007-12-21 | 2009-06-24 | Deutsche Thomson OHG | Schwingarm-Aktuator für eine Abtasteinrichtung |
-
1997
- 1997-01-07 JP JP9000855A patent/JPH10198988A/ja not_active Withdrawn
- 1997-12-05 TW TW086118329A patent/TW358936B/zh active
- 1997-12-27 KR KR1019970075342A patent/KR19980070243A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| TW358936B (en) | 1999-05-21 |
| JPH10198988A (ja) | 1998-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application | ||
| J201 | Request for trial against refusal decision | ||
| J301 | Trial decision |
Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20001019 Effective date: 20010830 |