KR930026350U - 광픽업의 대물렌즈 구동장치 - Google Patents
광픽업의 대물렌즈 구동장치Info
- Publication number
- KR930026350U KR930026350U KR2019920007703U KR920007703U KR930026350U KR 930026350 U KR930026350 U KR 930026350U KR 2019920007703 U KR2019920007703 U KR 2019920007703U KR 920007703 U KR920007703 U KR 920007703U KR 930026350 U KR930026350 U KR 930026350U
- Authority
- KR
- South Korea
- Prior art keywords
- driving device
- objective lens
- optical pickup
- lens driving
- pickup objective
- 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
- G11B7/12—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92007703U KR970003483Y1 (ko) | 1992-05-07 | 1992-05-07 | 광픽업의 대물렌즈 구동장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92007703U KR970003483Y1 (ko) | 1992-05-07 | 1992-05-07 | 광픽업의 대물렌즈 구동장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR930026350U true KR930026350U (ko) | 1993-12-28 |
| KR970003483Y1 KR970003483Y1 (ko) | 1997-04-17 |
Family
ID=19332788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92007703U KR970003483Y1 (ko) | 1992-05-07 | 1992-05-07 | 광픽업의 대물렌즈 구동장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970003483Y1 (ko) |
-
1992
- 1992-05-07 KR KR92007703U patent/KR970003483Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR970003483Y1 (ko) | 1997-04-17 |
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| TH9915EX (th) | อุปกรณ์ขับเลนส์ใกล้วัตถุสำหรับอุปกรณ์เล่นซ้ำและ/หรือบันทึกเชิงแสง |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| LAPS | Lapse due to unpaid annual fee |