JPH026136B2 - - Google Patents
Info
- Publication number
- JPH026136B2 JPH026136B2 JP15893781A JP15893781A JPH026136B2 JP H026136 B2 JPH026136 B2 JP H026136B2 JP 15893781 A JP15893781 A JP 15893781A JP 15893781 A JP15893781 A JP 15893781A JP H026136 B2 JPH026136 B2 JP H026136B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- focusing
- support block
- tracking
- magnetic
- 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
- 230000004907 flux Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15893781A JPS5860435A (ja) | 1981-10-05 | 1981-10-05 | 光学式デイスクプレ−ヤの対物レンズ支持駆動機構 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15893781A JPS5860435A (ja) | 1981-10-05 | 1981-10-05 | 光学式デイスクプレ−ヤの対物レンズ支持駆動機構 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5860435A JPS5860435A (ja) | 1983-04-09 |
| JPH026136B2 true JPH026136B2 (en]) | 1990-02-07 |
Family
ID=15682596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15893781A Granted JPS5860435A (ja) | 1981-10-05 | 1981-10-05 | 光学式デイスクプレ−ヤの対物レンズ支持駆動機構 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860435A (en]) |
-
1981
- 1981-10-05 JP JP15893781A patent/JPS5860435A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5860435A (ja) | 1983-04-09 |
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