KR910012587U - 레이저 픽업장치의 광학유니트 - Google Patents
레이저 픽업장치의 광학유니트Info
- Publication number
- KR910012587U KR910012587U KR2019890021451U KR890021451U KR910012587U KR 910012587 U KR910012587 U KR 910012587U KR 2019890021451 U KR2019890021451 U KR 2019890021451U KR 890021451 U KR890021451 U KR 890021451U KR 910012587 U KR910012587 U KR 910012587U
- Authority
- KR
- South Korea
- Prior art keywords
- pickup device
- optical unit
- laser pickup
- laser
- optical
- 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
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890021451U KR920005398Y1 (ko) | 1989-12-30 | 1989-12-30 | 레이저 픽업장치의 광학유니트 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890021451U KR920005398Y1 (ko) | 1989-12-30 | 1989-12-30 | 레이저 픽업장치의 광학유니트 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910012587U true KR910012587U (ko) | 1991-07-30 |
| KR920005398Y1 KR920005398Y1 (ko) | 1992-08-08 |
Family
ID=19295052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019890021451U KR920005398Y1 (ko) | 1989-12-30 | 1989-12-30 | 레이저 픽업장치의 광학유니트 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR920005398Y1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101106541B1 (ko) * | 2009-11-17 | 2012-01-20 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업장치 |
-
1989
- 1989-12-30 KR KR2019890021451U patent/KR920005398Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR920005398Y1 (ko) | 1992-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| LAPS | Lapse due to unpaid annual fee |