KR950007136U - 광 픽업의 대물렌즈 구동장치 - Google Patents
광 픽업의 대물렌즈 구동장치Info
- Publication number
- KR950007136U KR950007136U KR2019930016814U KR930016814U KR950007136U KR 950007136 U KR950007136 U KR 950007136U KR 2019930016814 U KR2019930016814 U KR 2019930016814U KR 930016814 U KR930016814 U KR 930016814U KR 950007136 U KR950007136 U KR 950007136U
- Authority
- KR
- South Korea
- Prior art keywords
- objective lens
- optical pickup
- lens drive
- drive
- pickup
- 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
- G11B7/0935—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930016814U KR950005305Y1 (ko) | 1993-08-27 | 1993-08-27 | 광 픽업의 대물렌즈 구동장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930016814U KR950005305Y1 (ko) | 1993-08-27 | 1993-08-27 | 광 픽업의 대물렌즈 구동장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950007136U true KR950007136U (ko) | 1995-03-21 |
| KR950005305Y1 KR950005305Y1 (ko) | 1995-07-04 |
Family
ID=19362115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019930016814U KR950005305Y1 (ko) | 1993-08-27 | 1993-08-27 | 광 픽업의 대물렌즈 구동장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950005305Y1 (ko) |
-
1993
- 1993-08-27 KR KR2019930016814U patent/KR950005305Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR950005305Y1 (ko) | 1995-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 20030703 Year of fee payment: 9 |
|
| LAPS | Lapse due to unpaid annual fee |