KR850009674U - 광학 픽업 - Google Patents
광학 픽업Info
- Publication number
- KR850009674U KR850009674U KR2019840011869U KR840011869U KR850009674U KR 850009674 U KR850009674 U KR 850009674U KR 2019840011869 U KR2019840011869 U KR 2019840011869U KR 840011869 U KR840011869 U KR 840011869U KR 850009674 U KR850009674 U KR 850009674U
- Authority
- KR
- South Korea
- Prior art keywords
- optical pickup
- pickup
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
- G11B7/135—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP84-7293 | 1984-01-23 | ||
JP1984007293U JPS60120519U (ja) | 1984-01-23 | 1984-01-23 | 光学ピツクアツプ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850009674U true KR850009674U (ko) | 1985-12-05 |
KR910003737Y1 KR910003737Y1 (ko) | 1991-06-01 |
Family
ID=30485509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019840011869U KR910003737Y1 (ko) | 1984-01-23 | 1984-11-21 | 광학 픽업 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60120519U (ko) |
KR (1) | KR910003737Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040013828A (ko) * | 2002-08-08 | 2004-02-14 | 삼성전기주식회사 | 광 픽업 엑츄에이터의 보빈 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6220902Y2 (ko) * | 1981-02-13 | 1987-05-27 |
-
1984
- 1984-01-23 JP JP1984007293U patent/JPS60120519U/ja active Granted
- 1984-11-21 KR KR2019840011869U patent/KR910003737Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040013828A (ko) * | 2002-08-08 | 2004-02-14 | 삼성전기주식회사 | 광 픽업 엑츄에이터의 보빈 |
Also Published As
Publication number | Publication date |
---|---|
KR910003737Y1 (ko) | 1991-06-01 |
JPS60120519U (ja) | 1985-08-14 |
JPH0325294Y2 (ko) | 1991-05-31 |
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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 | ||
FPAY | Annual fee payment |
Payment date: 19971227 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |