KR900004788Y1 - 광학식 픽업의 보정 구동장치 - Google Patents
광학식 픽업의 보정 구동장치 Download PDFInfo
- Publication number
- KR900004788Y1 KR900004788Y1 KR2019860016478U KR860016478U KR900004788Y1 KR 900004788 Y1 KR900004788 Y1 KR 900004788Y1 KR 2019860016478 U KR2019860016478 U KR 2019860016478U KR 860016478 U KR860016478 U KR 860016478U KR 900004788 Y1 KR900004788 Y1 KR 900004788Y1
- Authority
- KR
- South Korea
- Prior art keywords
- movable member
- return spring
- objective lens
- shaft
- optical pickup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G11B7/095—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
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986034096U JPS62147132U (enrdf_load_stackoverflow) | 1986-03-10 | 1986-03-10 | |
| JP86-34096 | 1986-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870015338U KR870015338U (ko) | 1987-10-24 |
| KR900004788Y1 true KR900004788Y1 (ko) | 1990-05-31 |
Family
ID=30842321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019860016478U Expired KR900004788Y1 (ko) | 1986-03-10 | 1986-10-28 | 광학식 픽업의 보정 구동장치 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS62147132U (enrdf_load_stackoverflow) |
| KR (1) | KR900004788Y1 (enrdf_load_stackoverflow) |
-
1986
- 1986-03-10 JP JP1986034096U patent/JPS62147132U/ja active Pending
- 1986-10-28 KR KR2019860016478U patent/KR900004788Y1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR870015338U (ko) | 1987-10-24 |
| JPS62147132U (enrdf_load_stackoverflow) | 1987-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19861028 |
|
| UA0201 | Request for examination |
Patent event date: 19861028 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
| UG1501 | Laying open of application | ||
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19900430 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19900823 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19901022 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19901022 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
Termination date: 19941008 Termination category: Default of registration fee |