KR100569922B1 - 광 디스크 드라이브 장치 - Google Patents
광 디스크 드라이브 장치 Download PDFInfo
- Publication number
- KR100569922B1 KR100569922B1 KR1020040002680A KR20040002680A KR100569922B1 KR 100569922 B1 KR100569922 B1 KR 100569922B1 KR 1020040002680 A KR1020040002680 A KR 1020040002680A KR 20040002680 A KR20040002680 A KR 20040002680A KR 100569922 B1 KR100569922 B1 KR 100569922B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens holder
- lens
- present
- optical
- objective lens
- Prior art date
Links
Images
Classifications
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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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
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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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- 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
- 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
- G11B2220/2537—Optical discs
Abstract
Description
Claims (2)
- 대물렌즈를 포함하는 렌즈홀더와, 상기 렌즈홀더를 가동시키는 코일 및 마그네트와, 상기 렌즈홀더의 양측에 접속된 일단과 양측 고정단에 접속된 타단을 갖는 탄성지지부재와, 상기 탄성지지부재를 고정시키는 고정단을 포함하는 틸팅구동이 가능한 액츄에이터에 있어서,상기 렌즈홀더는 원통형 또는 사각형을 가로로 자른모양으로 형성되며, 하부에 광로가 형성되고, 레디얼 방향의 안쪽으로 상기 대물렌즈 및 상기 렌즈홀더 아래에 광원에서 발생되는 빛을 반사하도록 구성된 반사수단이 겹치도록 구성되는 것을 특징으로 하는 광 디스크 드라이브 장치.
- 제 1항에 있어서, 상기 렌즈홀더는 양측의 탄성지지부재와 일단으로 4점 지지구조로 지지되는 것을 특징으로 하는 광 디스크 드라이브 장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040002680A KR100569922B1 (ko) | 2004-01-14 | 2004-01-14 | 광 디스크 드라이브 장치 |
EP04106749A EP1560206A3 (en) | 2004-01-14 | 2004-12-20 | Actuator of optical pick-up device |
EP10184034A EP2270784A3 (en) | 2004-01-14 | 2004-12-20 | Actuator of optical pick-up device |
CNB2004101041522A CN100474411C (zh) | 2004-01-14 | 2004-12-30 | 光学拾波设备的致动器 |
US11/034,513 US7414927B2 (en) | 2004-01-14 | 2005-01-11 | Actuator of optical pick-up device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040002680A KR100569922B1 (ko) | 2004-01-14 | 2004-01-14 | 광 디스크 드라이브 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050074788A KR20050074788A (ko) | 2005-07-19 |
KR100569922B1 true KR100569922B1 (ko) | 2006-04-10 |
Family
ID=37263287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040002680A KR100569922B1 (ko) | 2004-01-14 | 2004-01-14 | 광 디스크 드라이브 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100569922B1 (ko) |
-
2004
- 2004-01-14 KR KR1020040002680A patent/KR100569922B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20050074788A (ko) | 2005-07-19 |
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